A working machine may include a prime mover, a power transmission, a working part, and a housing. The power transmission may include a first planetary gear mechanism, a bevel gear, a first bearing, and a second bearing. The bevel gear may include a gear portion and a shaft portion. The first planetary gear mechanism may include a first carrier integrally rotatable with the shaft portion, a first planetary gear rotatably supported by the first carrier, a first internal gear arranged outward of the first planetary gear, and a first sun gear arranged inward of the first planetary gear. The first bearing may be directly or indirectly supported by the housing and support the shaft portion such that the shaft portion is rotatable. The second bearing may be directly or indirectly supported by the housing and support the first carrier such that the first carrier is rotatable.
One aspect of the present disclosure provides a job-site device including an optical indicator. The optical indicator includes a container and a circuit board. The container (i) includes a closed end, a peripheral wall, and an open end and (ii) is configured to at least partially transmit light therethrough. The peripheral wall (i) surrounds an internal space of the container between the closed end and the open end and (ii) includes a first protrusion on an inner peripheral surface thereof. The first protrusion (i) protrudes toward the internal space and (ii) is shorter in a direction along a perimeter of the peripheral wall than a perimeter of the inner peripheral surface. The circuit board includes a first surface (i) including a first light source and (ii) facing the closed end. The circuit board is press-fitted in the internal space while pressing the first protrusion toward the inner peripheral surface.
A tube expansion tool for expanding an end of a synthetic resin fluid pipe has a motor shaft rotated by an electric motor, a feed screw mechanism for converting rotation of the motor shaft into front-and-rear movement of an output shaft, a wedge provided on a front portion of the output shaft for pushing a plurality of jaws. The plurality of jaws mutually opens radially outward. The tube expansion tool further has a jaw rotation mechanism and a shaft. The shaft rotates around an axis in conjunction with the rotation of the motor shaft. The shaft rotates the plurality of jaws around its axis. The output shaft, the motor shaft, and the shaft of the jaw rotation mechanism are arranged in parallel with each other and overlap in the front-rear direction.
A hammer drill includes a motor, a cylindrical tool holder, an intermediate shaft, a rotation conversion portion, a mode switching member, a restricting member, and an operation member. A first switch state of the restricting member by the operation member causes a first operation mode in which rotation of the tool holder and a striking motion of a striking portion allowed to be performed simultaneously in conjunction with retreat of the tool holder. A second switch state of the restricting member by the operation member causes a second operation mode in which the retreat of the tool holder from the advance position is restricted and the tool holder is allowed to be rotated only. The restricting member is provided with a plurality of restricting portions that contact the mode switching member to restrict the retreat of the mode switching member.
An electric power tool includes: a grip extending in a front-rear direction; a motor housing disposed forward of the grip; a motor disposed inside the motor housing and including a stator and a rotor, the rotor being rotatable with respect to the stator; a bevel gear configured to rotate integrally with the rotor and including a shaft extending in the front-rear direction; a spindle directly or indirectly rotated via the bevel gear and extending in a direction intersecting the front-rear direction; a tool accessory holder rotated by the spindle; a case to accommodate the bevel gear and the spindle; and a bearing held by the case and configured to hold the bevel gear to be rotatable.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/18 - Devices for illuminating the head of the screw or the nut
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25F 5/02 - Construction of casings, bodies or handles
An impact tool includes: a grip extending in a front-rear direction; a motor housing located forward of the grip; a motor located inside the motor housing; a spindle located forward of the motor, extending in a direction intersecting the front-rear direction, and rotated by the motor; a hammer rotated by the spindle; an anvil to be impacted in a rotation direction by the hammer; a tool accessory holder located at a lower end of the anvil; a hammer case that accommodates the spindle and the hammer; and a light emitter held by the hammer case.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B25B 23/00 - Details of, or accessories for, spanners, wrenches, screwdrivers
B25B 23/18 - Devices for illuminating the head of the screw or the nut
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A rebar tying tool may include a feed unit configured to feed a wire, a guide unit configured to guide the wire such that the wire is wound around two or more rebars, a reel support member supporting a reel including the wire such that the reel is rotatable about a reel rotation axis, a wire guide member located between the feed unit and the reel support member and configured to guide the wire toward the feed unit, and a contact object configured to contact the wire in a direction in which the reel rotation axis extends, with the contact object located between the wire guide member and the reel support member.
B21F 15/04 - Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
An angle fastening tool includes: a grip extending in a front-rear direction; a motor housing located forward of the grip; a motor located inside the motor housing; a spindle located forward of the motor, extending in a direction intersecting the front-rear direction, and rotated by the motor; a case accommodating the spindle; a tool accessory holder protruding downward from a lower surface of the case and rotated by the spindle; and a trigger lever provided so as to protrude downward from a lower surface of the grip. A lower end of the trigger lever is located at a position closer to a lower surface of the motor housing than to a lower end of the tool accessory holder, in an up-down direction.
B25F 5/02 - Construction of casings, bodies or handles
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/00 - Details of, or accessories for, spanners, wrenches, screwdrivers
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
A job-site tool in one aspect of the present disclosure includes: a display; a flexible printed circuit; and a control circuit. The display is visible tool from outside and includes at least one surface light emitter. The flexible printed circuit includes conductive traces. The at least one surface light emitter is on the flexible printed circuit and is electrically connected to the conductive traces. The control circuit is electrically connected to the display via the conductive traces.
One aspect of the present disclosure provides a charger including a housing, a charging circuit, a communication device, and a control circuit. The control circuit controls the charging circuit so as to put a charging operation of the charging circuit on hold, based on a battery pack being attached to the housing and the communication device having received a first charging notification from a first external charger. The first charging notification is transmitted from the first external charger based on the first external charger transitioning or having transitioned to its charging operation.
The objective of the present invention is to improve the operability of an angled fastening tool. This angled fastening tool comprises: a grip portion that extends in the front-rear direction; a motor housing portion that is disposed in front of the grip portion; a motor that is disposed inside the motor housing portion; a spindle that is disposed in front of the motor, extends in a direction intersecting the front-rear direction, and is rotated by the motor; a tip tool holding portion that is rotated by the spindle; a trigger lever that is provided in the grip portion; and a switch board that is disposed in front of the trigger lever in a position overlapping the motor in the up-down direction.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/18 - Devices for illuminating the head of the screw or the nut
B25D 16/00 - Portable percussive machines with superimposed rotation
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A clutch mechanism of a flaring device is includes a fixed clutch member, a movable clutch member, and a pressing spring. A first engagement portion of the main shaft and a second engagement portion of the movable clutch member form a feed screw mechanism. The movable clutch member is movable in a front-rear direction relative to fixed clutch member between (i) a first position where the movable clutch member is pressed against a cam surface by an urging force of the pressing spring and is held to be substantially non-rotatable relative to the fixed clutch member, and (ii) a second position where the movable clutch member is rotatable relative to the fixed clutch member. At the second position, the movable clutch member is configured to (i) be freely rotatable, relative to the fixed clutch member, in a first direction, and (ii) be restricted from rotating in a second direction.
A die grinder includes a motor, a spindle and a main housing. The spindle is rotated around a drive axis that defines a front-rear direction of the die grinder. The main housing includes a motor housing, a handle housing and a battery housing. The handle housing is connected to a rear end of the motor housing and has an elongate grip part configured to be held by a user. The battery housing is connected to a rear end of the handle housing and has a battery mounting part configured such that the battery is mounted thereto. The battery mounting part is arranged in a position through which the drive axis passes and configured such that the battery is mounted in a direction orthogonal to the drive axis. A center axis of the grip part is arranged outward of the drive axis in a radial direction.
A power tool having a hammer mechanism, including: a connecting part connectable with a dust collector, and with a connection flow path to suck in the air from the dust collector to generate a suction power in the dust collector; a motor with a rotating shaft; a first fan to rotate with the rotating shaft and generate a first air flow to cool down the motor; a second fan to rotate with the first fan and generate a second air flow to generate the suction power; a housing with a first exhaust port to discharge the first air flow and a second exhaust port to discharge the second air flow; a first exhaust flow path to guide the first air flow to the first exhaust port; and a second exhaust flow path separated from the first exhaust flow path to guide the second air flow to the second exhaust port.
A die grinder includes: a motor; a spindle that is rotationally driven around a drive axis that defines a front-rear direction of the die grinder; a housing; and at least two light emitting parts that are assembled on a front surface of a circuit substrate. In directions orthogonal to the drive axis, a direction toward the drive axis from a cross-sectional center of a grip part is defined as a downward direction. When the front surface is divided into four quadrants by a line passing the drive axis in an up-down direction and a line passing the drive axis in a left-right direction orthogonal to the up-down direction, the at least two light emitting parts include at least first and second light emitting parts that are respectively arranged in the upper right quadrant and the upper left quadrant of the four quadrants relative to the drive axis.
One aspect of the present disclosure provides an oil pulse tool including an output shaft, an electric motor, an oil unit, and a controller. The oil unit is configured (i) to contain oil therein, (ii) to be rotated by an output of the electric motor, and (iii) to apply an impact to the output shaft using the oil. The controller is configured to perform a protection operation to reduce the output of the electric motor, in response to the impact having been applied to the output shaft such that an actual temperature of the oil unit can exceed a temperature threshold.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
H02P 29/60 - Controlling or determining the temperature of the motor or of the drive
An impact tool includes: a motor; a speed reduction mechanism rotated by the motor; a hammer rotated by rotation of the motor transmitted via the speed reduction mechanism; an anvil to be impacted in a rotation direction by the hammer; a motor case accommodating the motor; and a gear case accommodating the speed reduction mechanism. One or both of the motor case and the gear case are made of a magnesium alloy.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/18 - Devices for illuminating the head of the screw or the nut
A power tool includes: a motor; a motor housing that houses the motor; a rotation mechanism disposed on a front side of the motor and including an output portion rotated based on a rotational force of the motor; a rotation mechanism case that is disposed on a front side of the motor housing and houses at least a part of the rotation mechanism; and a screw member that fixes the motor housing and the rotation mechanism case to each other, the screw member reaching the rotation mechanism case from a rear side of the motor housing. The motor is fixed together with the motor housing and the rotation mechanism case by the screw member.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/02 - Construction of casings, bodies or handles
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
A power tool includes: a motor including a rotor that rotates about a rotation axis and a stator disposed around the rotor; a first bearing that supports the rotor in a rotatable manner; a rotating member that is rotated by the rotor; a second bearing that supports the rotating member in a rotatable manner; and a bearing holding member that holds the second bearing. The second bearing holds the first bearing via the rotating member.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/02 - Construction of casings, bodies or handles
H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
25.
VACUUM CLEANER AND METHOD FOR EMITTING LIGHT FROM VACUUM CLEANER
A vacuum cleaner according to one aspect of the present disclosure comprises an apparatus body, a brush, and one or more lighting devices. The brush is rotatably provided in the apparatus body. The one or more lighting devices are provided on the front side of a rotating shaft of the brush. Each of the one or more lighting devices includes a light emitter and a reflective surface. The light emitter emits light downward. The reflective surface receives the light emitted from the light emitter and reflects the received light forward.
An impact tool includes a housing, a motor housed in the housing, a hammer rotated by the motor, an anvil impacted in the direction of rotation by the hammer, a hammer case housing the hammer, a first sensor that detects rotation of the anvil, a second sensor that detects movement of the hammer, and a controller that controls tightening torque based on detection data output by the first and second sensors. The anvil has a bit hole into which a tool accessory is insertable.
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25F 5/02 - Construction of casings, bodies or handles
A power tool includes: a motor; a rotation mechanism disposed forward of the motor and including an output portion that is rotated about a rotation axis by the motor; a rotation mechanism case that houses at least a part of the rotation mechanism; a case holder having a cylindrical shape and covering a circumference of the rotation mechanism case such that the output portion protrudes forward; and a grip portion to be gripped by an operator. The grip portion includes a left grip portion and a right grip portion that are divided in a left-right direction. The case holder is integrally formed with either the left grip portion or the right grip portion.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/02 - Construction of casings, bodies or handles
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
An electric screw tightening machine includes: a motor including a stator and a rotor that is rotatable with respect to the stator and has a rotor axis extending in a front-rear direction; a motor housing that accommodates the motor; a speed reduction mechanism that decelerates rotation of the motor; a socket to which rotation of the motor is always transmitted via the speed reduction mechanism during rotation of the motor and that has a socket axis intersecting the rotor axis; and a one-way clutch mechanism that is disposed at least partially around the socket, and is configured to allow the socket to rotate due to the rotation of the motor only in one direction during the rotation of the motor and transmit rotation input to the motor housing to the socket only in one direction during stop of the motor.
A cart may include a body unit, a ground contact unit supported by the body unit, a prime mover configured to drive the ground contact unit, a first UWB anchor including a first antenna and a second antenna and configured to receive a beacon signal from a UWB tag, a second UWB anchor configured to receive the beacon signal from the UWB tag, and a control device configured to execute a following operation of causing the cart to follow the UWB tag by driving the prime mover. The control device may be configured to calculate a first distance which is a distance between the first UWB anchor and the UWB tag and a first tag angle which is an angle of the UWB tag relative to the first UWB anchor by using the beacon signal received by the first antenna and the beacon signal received by the second antenna.
A saw chain disclosed herein may be configured to be movably mounted along a periphery of a guide bar. The saw chain may include a plurality of drive links, a plurality of side links, and a plurality of connection pins. At least two side links of the plurality of side links may each include a cutting portion including a cutting blade and a depth gauge. A kerf width of the saw chain may be in a range of 4.3 mm to 4.6 mm. A depth of the saw chain may be in a range of 0.1 mm to 0.3 mm. A chain pitch of the saw chain may be in a range of 8.0 mm to 8.5 mm.
A power tool includes a housing, a motor, a fan and a cyclone separation unit. The fan generates an air flow that flows in from first air inlets of the housing and passes through the housing. The cyclone separation unit has second air inlets arranged in a circumferential direction of the cyclone separation unit. The first and second air inlets are arranged apart from each other in an axial direction of the cyclone separation unit. A first dust collecting chamber is defined: (i) between the first air inlets and the second air inlets in the axial direction of the cyclone separation unit, and (ii) between an inner peripheral surface of the housing and the cyclone separation unit, and configured to collect dust by inertia force. A second dust collecting chamber is defined within the cyclone separation unit and configured to collect dust by centrifugal force.
B24B 55/06 - Dust extraction equipment on grinding or polishing machines
A47L 7/00 - Suction cleaners adapted for additional purposesTables with suction openings for cleaning purposesContainers for cleaning articles by suctionSuction cleaners adapted to cleaning of brushesSuction cleaners adapted to taking-up liquids
A47L 9/16 - Arrangement or disposition of cyclones or other devices with centrifugal action
B24B 23/02 - Portable grinding machines, e.g. hand-guidedAccessories therefor with rotating grinding toolsAccessories therefor
B24B 41/00 - Component parts of grinding machines or devices, such as frames, beds, carriages or headstocks
B24B 47/12 - Drives or gearings for grinding machines or devicesEquipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
A rebar tying tool ties together two or more rebars using a wire. The rebar tying tool may include: a reel having the wire wound on a bobbin; a reel-holding part configured to hold the reel in a rotatable manner; a feed part configured to advance the wire from the reel by a number of turns of the wire around the rebars; and a twisting part configured to twist the wire after the number of turns of the wire has been wound around the rebars. The wire preferably has a maximum tensile load of at least 1000 N and a yield-point load of at least 550 N.
A connector configured to connect a machining apparatus and a dust collection device includes a through-hole configured to establish communication between the machining apparatus and the dust collection device, and an outer surface made of a static dissipative material.
A vise to be attached to a reciprocating saw includes a chain, a vise base, a tightening tool, and an elastic member. The chain includes a pin and is to be wound around a work material. The vise base is to be brought into contact with the work material and includes an insertion space into which the pin is inserted and a recess provided in the insertion space and in which the pin is hooked. The tightening tool is to be operated to pull the chain wound around the work material and is coupled to the chain. The elastic member prevents the pin hooked in the recess from dropping.
B23D 55/04 - Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of devices for feeding or clamping work
B23D 55/06 - Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of drives for strap saw bladesSawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of wheel mountings
A control module (10) for a power tool includes a box-shaped case (60), one side of which is open, and a circuit board (50) housed in the case. A microcomputer (51) and FETs (52) configured to control a brushless motor (1c) of the power tool are mounted on the circuit board. Movable switches (30) are mechanically linked to movement of a trigger (20) and are electrically connected to the circuit board. A cover (70) partially covers the opening of the case such that a portion of the circuit board and the movable switches are covered. Bonded parts (14) weld or otherwise materially bond the cover and the case to form an enclosed space (13), which encloses the movable switches.
A detection device provided in a robot dust collector includes: an optical sensor configured to detect an object around the robot dust collector; a cover member arranged at least partially around the optical sensor and configured to move linearly; a detection member configured to move linearly in conjunction with the cover member; and a motion sensor configured to detect movement of the detection member.
A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleanerControlling suction cleaners by electric means
A47L 9/00 - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating actionStoring devices specially adapted to suction cleaners or parts thereofCarrying-vehicles specially adapted for suction cleaners
A power tool (1) includes a chuck (4) disposed at a front portion of a main body (2). A handle (3) is disposed below the main body, and a battery mounting part disposed below the handle. A brushless motor (8) is disposed inside the main body and a power-supply line is electrically connected to the battery mounting part. The brushless motor includes a tubular stator (9) and a rotor (10) disposed in the interior of the stator. The rotor includes a rotor core (67) and at least one permanent magnet (68) fixed to the rotor core. A terminal (81) electrically connects the power-supply line (80) to at least one of the coils. A sensor-circuit board (65) is disposed on a front side of the stator core and is configured to detect a rotational position of the at least one permanent magnet.
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 3/28 - Layout of windings or of connections between windings
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 9/02 - Arrangements for cooling or ventilating by ambient air flowing through the machine
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
H02K 29/06 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
H02K 29/08 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates or magneto-resistors
An impact tool includes: a motor; a hammer, which is rotated by the motor; an anvil, which is impacted by the hammer in a rotational direction; two or more springs, which bias the hammer forward toward the anvil and are disposed parallel to each other; a cam mechanism, which alternately retracts the hammer while compressing the springs in response to application of the driving force of the motor and permits the hammer to be advanced by the elastic force of the compressed springs; and a hammer-housing part, which houses the hammer. The springs bias the hammer with a combined set load in the state in which the hammer is at an advancement limit position of the hammer, where the value calculated by dividing the combined spring constant (N/mm) of the springs there by the combined set load (N) of the springs there is larger than 0.3.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
An impact tool includes: a motor; a motor housing portion that houses the motor; a grip portion extending downward from the motor housing portion; a hammer rotated by the motor; an anvil that is impacted by the hammer in a rotation direction; a hammer housing portion that houses the hammer; a prop portion arranged on a front side of the grip portion and extending below the motor housing portion or the hammer housing portion; a battery holding portion which is connected to the grip portion and the prop portion and to which a battery pack is detachably attached; and a light emitter unit that is held at a front portion of the hammer housing portion and includes a plurality of light emitters arranged in the rotation direction around the anvil. A lead wire electrically connected to the light emitter unit passes through an inside of the prop portion.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/18 - Devices for illuminating the head of the screw or the nut
B25F 5/02 - Construction of casings, bodies or handles
A power tool having a hammer mechanism includes a final output shaft configured to removably hold a tool accessory and defining a driving axis of the tool accessory, a housing, and a handle movable relative to the housing in an axial direction of the driving axis. The housing and the handle at least partially have such a shape that a radial distance between the housing and the handle is shorter when the handle is located at a first relative position maximally separated from the housing in the axial direction than when the handle is located at a second relative position close to the housing in the axial direction.
The working machine may include an operation rod, a rear unit and a front unit. The front unit may include a front housing, a first member, a first shaft that is rotatable and supported by the first member via a first bearing, a working member configured to work by rotation of the first shaft, and a transmission unit configured to rotate the first shaft when the prime mover operates. The transmission unit may include a second shaft supported by the first member via a second bearing, a first pulley fixed to the first shaft and configured to rotate about a first pulley rotation axis, a second pulley fixed to the second shaft and configured to rotate about a second pulley rotation axis substantially parallel to the first pulley rotation axis, and a belt connecting the first pulley and the second pulley.
E01H 5/09 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
An impact tool includes: a brushless motor; a spindle, which is rotated by the brushless motor; a hammer, which is held on the spindle; an anvil, which is impacted in a rotational direction by the hammer; a polymer housing, which houses the brushless motor; a hammer case, which is connected to the polymer housing and houses the hammer and the spindle; and a light unit, which is held on the hammer case and comprises a plurality of light-emitting devices. The maximum tightening torque of the anvil is 1,000 N·m or more and 2,500 N·m or less.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/18 - Devices for illuminating the head of the screw or the nut
B25F 5/02 - Construction of casings, bodies or handles
A dust collector in one aspect of the present invention comprises a motor for sucking dust, a motor drive circuit, a first power plug configured to receive AC power from a first power outlet, a power line extending from the first power plug to the motor drive circuit and configured to deliver the AC power from the first power plug to the motor drive circuit, and a changeover switch on the power line, the changeover switch being configured to be switched between an interlock state, an uninterlock state of inhibiting the interlock operation, and an off-state of stopping an operation of the dust collector. The changeover switch is configured to conduct the power line through the changeover switch in the interlock state or the uninterlock state and to interrupt the power line through the changeover switch in the off-state.
B23D 59/00 - Accessories specially designed for sawing machines or sawing devices
A47L 7/00 - Suction cleaners adapted for additional purposesTables with suction openings for cleaning purposesContainers for cleaning articles by suctionSuction cleaners adapted to cleaning of brushesSuction cleaners adapted to taking-up liquids
A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleanerControlling suction cleaners by electric means
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
B24B 23/02 - Portable grinding machines, e.g. hand-guidedAccessories therefor with rotating grinding toolsAccessories therefor
B24B 55/00 - Safety devices for grinding or polishing machinesAccessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
B24B 55/10 - Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
G08C 17/02 - Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
A nozzle includes a mounting part that is configured to be attached to a blower, and a body part that is connected to the mounting part. The body part has a discharge opening and a passage for air blown out by the blower. The passage leads to the discharge opening. The body part includes a flexible tube. The flexible tube has a length of at least 15 cm and defines at least a portion of the passage.
A driving tool includes a driver configured to drive a driving member, a driver guide configured to guide a movement of the driver, a contact arm configured to slidably couple to the driver guide, and an adapter configured to be detachably attachable to the contact arm. The adapter protrudes from the contact arm in a driving direction such that when the driving member is driven by the driver into a workpiece, a head of the driving member remains protruding outwards from a surface of the workpiece.
The disclosure discloses a snow remover. The snow remover may include a working portion configured to throw snow from a ground, a plurality of direction changing members configured to change a direction for throwing the snow, and an adjuster. The adjuster may comprise a plurality of gears. The plurality of gears may be meshed with each other and configured to adjust an orientation of the plurality of direction changing members by rotating. In addition, the disclosure discloses an attachment. The attachment may be configured to be used with the snow remover.
E01H 5/09 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
A power tool includes a motor, a hammer mechanism, and a housing. The motor has a motor shaft that rotates around a motor axis. The hammer mechanism includes a cylinder and a hammer element adjacent to an air chamber defined within the cylinder and is configured to convert rotary motion of the motor shaft to linear motion of the hammer element along a prescribed hammer axis by utilizing action of an air spring of the air chamber. The housing houses the motor and the hammer mechanism. The motor axis is arranged to be parallel to the hammer axis and to pass through the inside of the cylinder.
A rebar tying machine may include a feeding unit configured to feed a wire; a guide unit including a first wire passage through which the wire passes, the guide unit configured to guide the wire around rebars; and a cutter configured to cut the wire. A leading end of the wire may be configured to pass through the feeding unit, the cutter, and an exit of the first wire passage in this order. At the start of a tying process for tying the rebars with the wire, the leading end of the wire may be positioned at a first position that is closer to the exit of the first wire passage than the cutter is.
B21F 15/04 - Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
A rebar tying machine may include a reel holding section for holding a reel; a reel stopper switchable between a prohibited state in which the reel is prohibited from being removed and a permitted state in which the reel is permitted to be removed; a rotatable first roller; a rotatable second roller, wherein the second roller is switchable between a first state in which a wire is held between the first roller and the second roller and a second state in which a distance between the first roller and the second roller is longer than a distance between the first roller and the second roller in the first state; and a twisting unit for twisting the wire. The second roller may be switched from the first state to the second state when the reel stopper switches from the prohibited state to the permitted state.
B21F 15/04 - Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
A rebar tying machine may include a feeding unit configured to feed a wire; a guide unit configured to guide the wire around rebars; a cutter configured to cut the wire; a clamp configured to be rotatable about a center axis and hold the wire; a main body housing supporting the feeding unit; and a bending member configured to bend an end portion of the wire toward the rebars, wherein the end portion of the wire is formed by the cutter cutting the wire. The bending member may be configured to bend the end portion of the wire toward the rebars while the wire is twisted by rotation of the clamp.
B21F 15/04 - Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
54.
VACUUM-ADHESION ATTACHMENT FOR POWER TOOL AND POWER-TOOL SYSTEM
A vacuum-adhesion attachment for a power tool includes an attachment main body, a vacuum pump, a suction part, and a valve. The attachment main body is detachably mountable on a tool main body of the power tool and houses the vacuum pump. The suction part has a chamber in fluid communication with the vacuum pump and is configured to be adhered to a surface of a work material in response to the chamber being brought to a reduced pressure state by driving of the vacuum pump. The valve is in fluid communication with the chamber of the suction part. The valve, which is normally in a closed state to block a flow of outside air into the chamber, is configured to be manually switched by a user to an open state that permits a flow of outside air into the chamber.
A flaring tool includes a motor, a main shaft, a cone, a clutch mechanism, a detection device, and a control device. The main shaft is operably coupled to the motor, and configured to move forward along a first axis while rotating around the first axis when the motor is rotated in a forward direction. The cone is eccentrically supported at a front end portion of the main shaft to be rotatable around a second axis that is different from the first axis. The clutch mechanism is configured to be actuated in response to a forward movement of the main shaft being obstructed due to the cone abutting an end portion of a pipe. The detection device is configured to detect the actuation of the clutch mechanism. The control device is configured to control the rotation of the motor based on a detection result of the detection device.
A backpack-type blower disclosed herein may include: a backpack unit including a backpack frame and a shoulder belt attached to the backpack frame; a housing supported by the backpack frame; a prime mover supported by the housing; a blower fan disposed within the housing and configured to be driven by the prime mover; a flexible pipe extending from the housing; a blower pipe extending from a front end of the flexible pipe; a grip unit disposed on the blower pipe; and a suspension band. One end of the suspension band may be connected to the flexible pipe, the blower pipe, or the grip unit, at a position frontward of at least a part of the flexible pipe. Another end of the suspension band may be connected to the backpack unit.
A47L 5/14 - Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
A power tool includes a motor, a hammer mechanism, a housing, and a handle. The motor has a motor shaft that rotates around a motor axis. The hammer mechanism includes a cylinder and a hammer element and is configured to convert rotary motion of the motor shaft to linear motion of the hammer element along a prescribed hammer axis by utilizing action of an air spring of an air chamber. The housing has a front end part including a front end surface to which a tool accessory is mounted, and a rear end part including a rear surface on the opposite side to the front end surface The handle is configured to be held by a user. The motor axis and the hammer axis are parallel to each other. The rear end of the handle is arranged on the rear end part.
An electrical apparatus disclosed herein may include a first tray unit, a second tray unit, and a case body including a tray attachment portion configured to have selectively one of the first tray unit and the second tray unit attached thereto. The first tray unit may include a plurality of first battery attachment portions. The second tray unit may include a plurality of second battery attachment portions. An arrangement of the second battery attachment portions may be different from an arrangement of the first battery attachment portions, and/or a number of the second battery attachment portions may be different from a number of the first battery attachment portions, and/or an attachment structure of each of the second battery attachment portions for attaching the second battery may be different from an attachment structure of each of the first battery attachment portions for attaching the first battery.
H01M 50/289 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/262 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks
H01M 50/284 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with incorporated circuit boards, e.g. printed circuit boards [PCB]
An electrical apparatus may include a first battery attachment portion configured to have a first battery attached thereto, a second battery attachment portion configured to have a second battery attached thereto, a first light emitting device configured to emit light according to a state of the first battery, a second light emitting device configured to emit light according to a state of the second battery, and a battery status indicator. The battery status indicator may include a lens configured to transmit the light emitted by the first light emitting device and the light emitted by the second light emitting device and at least one indicator configured to indicate the light transmitted through the lens.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
G08B 5/36 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmissionVisible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission using visible light sources
H01M 50/519 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
An electrical device may include a case body, a battery receptacle configured to have a battery pack attached thereto, an external terminal configured to be electrically connected to the battery pack via the battery receptacle, a left handle disposed on a left surface of the case body and comprising a left grip configured to be grasped by a user, and a right handle disposed on a right surface of the case body and comprising a right grip configured to be grasped by the user. The left handle may be configured to be movable relative to the case body between a left lower position and a left upper position. The right handle may be configured to be movable relative to the case body between a right lower position and a right upper position.
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 50/296 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by terminals of battery packs
An electrical device may include: a case body defining a housing space; a battery receptacle disposed on the case body, wherein a battery pack used as a power supply for a power tool is detachably attached to the battery receptacle; an external terminal disposed on the case body and configured to be electrically connected to the battery pack via the battery receptacle; a lid configured to be movable relative to the case body between an open position where the lid opens the housing space and a closed position where the lid closes the housing space; and a coupling mechanism configured to be switchable between a coupling state in which the coupling mechanism couples the case body and the lid to each other and a decoupled state in which the coupling mechanism decouples the case body and the lid from each other.
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
One aspect of the present disclosure provides a charging system including a power-supply adapter and a charger. The power-supply adapter includes a power conversion circuit and a state detection circuit. The charger includes at least one attachment and a charging circuit. The state detection circuit (i) generates a state indicating signal, (ii) transmits the state indicating signal to an electrical cable, and (iii) varies the state indicating signal in accordance with a state of the power-supply adapter. The charging circuit (i) receives DC power and the state indicating signal from the power-supply adapter via the electrical cable and (ii) varies charging power for charging at least one battery pack in accordance with a variation in the state indicating signal.
A circular saw includes: a rotatable circular-saw blade; an electric motor that generates rotational power for rotatably driving the circular-saw blade; and a battery-mounting part configured to detachably mount a battery that supplies electric power to the electric motor. The diameter of the circular-saw blade is 300 mm or more and 460 mm or less.
A dust extractor (1) includes: a head (2) having a top cover (13); a tank (3) disposed below the head and on which a first electrically conductive member (41) is mounted; a tank cover (4) disposed between the head and the tank and having a cover part (16) covering an opening (3F) in an upper-end portion of the tank and a suction tube (17) into which a dust-extracting hose (6) is insertable, and on which a second electrically conductive member (42) is mounted; and a suction unit (7) that includes a motor (24) and a blower fan (25) that is rotated by a rotational force generated by the motor, and that generates a suction force in the suction tube. The first electrically conductive member is grounded. The second electrically conductive member is electrically connected to the first electrically conductive member.
An electric power tool includes an electric motor and a rotation direction restriction mechanism. The rotation direction restriction mechanism includes an outer ring, an inner circumferential member, cam surfaces, lock members, and a protrusion (eccentric mechanism). The inner circumferential member is located on an inner circumferential side of the outer ring. The cam surfaces are recessed on an outer circumferential surface of the inner circumferential member. The inner circumferential member rotates relatively to the outer ring in a first direction and is restricted from rotating in a second direction when the lock member moves within the corresponding cam surface.
A driving tool includes a plate-like driver having rack teeth (engaged portions). The lifter engages the rack teeth. The lifter allows the driver to move. A striker is connected to a tip of the driver. The striker strikes the driven member. An area of a striking surface of the striker is larger than an area of the tip of the driver.
A driving tool includes a driver driven by an electric motor, a driver guide for guiding a movement of the driver, and a magazine for housing driving members. The driving tool also includes a feed pawl for loading the driving members from the magazine to the driver guide, and a power transmission member being interlocking with a movement of the feed pawl. The driving tool also includes a solenoid for moving the feed pawl via the power transmission member. The solenoid is arranged in a main body housing outside of the magazine.
A belt sander includes a motor driven by power supplied from a battery, a battery mounting portion to which the battery is removably mountable, and a belt driving portion including (i) a drive roller to be rotated by a driving force of the motor, (ii) a driven roller, and (iii) a belt that is stretched over the drive roller and the driven roller and has a polishing surface that polishes a workpiece. The belt sander is provided with a housing including a motor housing portion housing the motor, and with a handle disposed to surround at least a part of the battery mounted to the battery mounting portion.
B24B 23/06 - Portable grinding machines, e.g. hand-guidedAccessories therefor with abrasive belts, e.g. with endless travelling beltsAccessories therefor
A driving tool has a main motor, a sub-motor, and a fan. The main motor serves as a driving source to generate electric power to move a driver and is accommodated in a main body housing. The sub-motor is driven independently from the main motor and accommodated in the main body housing. The fan is mounted on an output shaft of a sub-motor.
The spindle has a lower end portion configured as an externally threaded portion and a flange portion protruding radially outward from the spindle above the externally threaded portion. The anti-loosening member is fitted around the spindle above the externally threaded portion. The flange portion has a lower surface having a first inclined surface that extends in the circumferential direction around the drive axis and is inclined downward toward the first direction. The anti-loosening member includes an annular base portion having a second inclined surface that slidably contacts the first inclined surface, and a peripheral wall portion that protrudes upward along the outer edge portion of the base portion, and abuts the side surface of the flange portion during the rotation of the spindle to receive the rotational driving force. The peripheral wall portion is provided only in a part of the outer edge portion of the base portion.
A battery mounting part (21) of a portable cutting machine (1), such as a router, holds a battery (3) oriented so that the longitudinal direction (L3) of the battery is at an angle of 70 to 90 degrees with respect to an imaginary plane (K) that contains left and right support members (11, 12) of the portable cutting machine. Consequently, even if batteries having different capacities are mounted on a battery mounting part (21) of the portable cutting machine, the position of the center of gravity of a main body (20) thereof will not differ greatly (or at all) in the left-right direction, and thus the weight balance is preserved and good handling is maintained, regardless of the size and/or weight of the battery that is mounted on the battery mounting part.
A work machine includes a housing, a support structure, and a lens. The support structure is capable of supporting, inside the housing, a first and a second light emitting element each of which emits light in a first direction. The lens is configured to propagate light from a light emitting element supported inside the housing by the support structure to an outside of the housing. The work machine is configured to display information by lighting using the lens. The support structure is capable of supporting the first and the second light emitting elements at respective positions where a first distance on an imaginary plane orthogonal to the first direction is different from a second distance on the imaginary plane. The first distance is between a reference point and the first light emitting element. The second distance is between the reference point and the second light emitting element.
A driving tool includes a driver, and a piston connected to the driver. The piston and the driver are housed within a cylinder such that the piston slidably moves within the cylinder by gas active pressure. The cylinder is positioned in an adjoining arear of an axis line of the piston. The cylinder is made of iron. Accordingly, a weight in the adjoining arear of the axis line of the piston is more than a cylinder made of aluminum or resin. Because of the large weight in the adjoining area of the axis line of the piston, a reaction force against a movement of the piston and a driving of the driver can be effectively restrained.
One aspect of the present disclosure includes an electric work machine including a motor, a first manual switch, a second manual switch, and a control circuit. The control circuit rotates the motor in accordance with a first control system, based on (i) the first manual switch being manually operated and (ii) the second manual switch being within a first region. The control circuit stops the motor, based on (i) the first manual switch not being manually operated and/or (ii) the second manual switch being within a second region. The control circuit rotates the motor in accordance with a second control system, based on (i) the first manual switch being manually operated and (ii) the second manual switch being within a third region.
H02P 7/22 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using multi-position switch, e.g. drum, controlling motor circuit by means of pilot-motor-operated multi-position switch or pilot-motor-operated variable resistance
B25F 5/02 - Construction of casings, bodies or handles
A power tool includes: a motor having a rotor, which rotates about a motor rotational axis extending in a front-rear direction; an output part, which is disposed more forward than the motor and is rotated in response to rotation of the rotor; a housing including: a motor-housing part, which houses the motor; a grip part, which extends downward from the motor-housing part; a battery-holding part, which is connected to a lower-end portion of the grip part; a control circuit board, which is housed in the housing; and an operation-and-display part, which is disposed at a rear portion of the housing and is electrically connected to the control circuit board.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
86.
REBAR TYING TOOL, REBAR TYING METHOD, AND METHOD OF USING THE REBAR TYING TOOL
A rebar tying tool includes: a twisting motor, which actuates a twisting member that twists a wire, which has been wound around rebars; a main-body housing, which houses the twisting motor; and a first illumination member, which is held on the main-body housing and shines light toward the rebar. A method for tying the rebars using the wire includes first shining light emitted from the rebar tying tool toward the rebars and then twisting the wire, which has been wound around the rebars.
In one aspect of the present disclosure, an electric work machine includes a motor, a first manual switch, a second manual switch, and a control circuit. The control circuit executes a drive control, a first stop control, and a second stop control. The first stop control includes stopping the motor, based on the motor being rotated and the first manual switch having received the first stop operation. The second stop control includes stopping the motor, based on the motor being rotated and the second manual switch having received the second stop operation. The second stop control is different from the first stop control.
A01D 34/47 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders hand-guided by a walking operator with motor driven cutters or wheels
A01D 34/58 - Driving mechanisms for the cutters electric
H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
H02P 6/30 - Arrangements for controlling the direction of rotation
88.
ELECTRIC WORK MACHINE AND PRODUCTION METHOD FOR ELECTRIC WORK MACHINE
An electric work machine includes a first brushless motor including a first stator and a first rotor combined with the first stator, and a controller. The first stator includes a first stator core and multiple first coils wound around multiple teeth on the stator core. The controller magnetizes the teeth to cause the first rotor to rotate about a rotation axis. In a plane orthogonal to the rotation axis, the first stator core has the same shape as a second stator core in a second stator used in a second brushless motor in another electric work machine. The first rotor can be combined with the second stator. The first rotor has a different number of poles from a second rotor used in the second brushless motor.
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
H02K 11/33 - Drive circuits, e.g. power electronics
An electric pump may include: a motor unit; and a pump unit configured to be driven by the motor unit and discharge water. The motor unit may include: a body housing including a battery holding part configured to hold at least one battery pack; and an electric motor accommodated in the body housing and configured to drive the pump unit. The at least one battery pack is configured to be used in the electric pump and in an apparatus other than the electric pump.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 11/33 - Drive circuits, e.g. power electronics
91.
CHARGING ADAPTER, CHARGER, CHARGING SYSTEM, AND METHOD FOR CHARGING BATTERY PACK
A charging adapter in one aspect includes a first coupler, a second coupler, a power delivery path, a converter, a communication circuit, a charging control circuit, a control power supply, a first switch, a first internal path, a second internal path, a second switch, and a starter circuit. The charging control circuit performs a charging control of a battery pack. The charging control includes switching the converter to a first state or a second state. The converter in the first state receives a DC voltage from a power delivery adapter through the first coupler, converts the DC voltage into a charging voltage for charging the battery pack, and outputs the charging voltage to the second coupler. The converter in the second state receives the DC voltage from the power delivery adapter through the first coupler and outputs the DC voltage to the second coupler.
A cleaner includes: a main body housing; a drive unit that includes a blower fan and a motor configured to rotate the blower fan, and generates suction force to suck in dust with air through a suction port leading to an inner side of the main body housing; and a first support member that is mounted on at least a part of the drive unit and includes a main body support portion supported by the main body housing. At least a part of an outer circumferential surface of the main body support portion includes an arc shape surface.
A47L 5/36 - Suction cleaners with hose between nozzle and casingSuction cleaners for fixing on staircasesSuction cleaners for carrying on the back
A47L 9/00 - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating actionStoring devices specially adapted to suction cleaners or parts thereofCarrying-vehicles specially adapted for suction cleaners
An impact driver or impact tool includes a motor, a motor housing that houses the motor, a grip housing integrally provided with the motor housing, a hammer case is disposed frontward of the motor housing, a spindle rotated by the motor, a hammer housed inside the hammer case and configured to be rotated by the spindle, and an anvil housed inside the hammer case which anvil is configured to be impacted by the hammer. In this impact driver, a length from a rear end of the motor housing to a front end of the anvil (i.e., the front-rear length of a main body) is less than 128 mm.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/14 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
B25D 11/04 - Portable percussive tools with electromotor drive in which the tool bit or anvil is hit by an impulse member
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25F 5/02 - Construction of casings, bodies or handles
A driving tool includes an extension that extends from a rear guide of a nose above a driving direction and is coupled to a magazine body by a coupling screw. The tool further includes an elastic member that is arranged in between the rear guide and the magazine body and is below the coupling screw in a driving direction. The elastic member absorbs rattling of the magazine body and is integrally provided with an impact receiving portion to mitigate impact at a forward motion end position of a pusher.
A driving tool includes a holder attached to a wheel, grease reservoirs on the holder, magnets for detecting a rotation position of the wheel, and grease flow passages for flowing grease. The holder is rotatably integrated with the wheel. The grease in the grease reservoirs flows to a supporting hole via a tilting surface of a wall, an opening hole, an extension groove and a penetrating groove.
A battery holder supported by a main body housing so as to be displaceable in an up-down direction has a main body extension, a holder lower portion at a lower part, and a terminal supported by the battery holder so as to be displaceable in the up-down direction. The battery holder has a first elastic body interposed between the main body housing and the battery holder, a second elastic body interposed between the battery holder and the terminal, and a third elastic body interposed between the holder lower portion and the main body housing. The first to third elastic bodies absorb impacts in the event of a drop, thereby reducing damage to the battery.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
A magnetic drill press includes a magnetic base, a main body portion coupled to the magnetic base, a drill unit including a spindle and supported by the main body portion to be movable in a direction parallel to a rotation axis of the spindle, a battery attachment portion configured to detachably hold a battery, and a cover configured to at least partially cover the battery attachment portion. The battery attachment portion includes a rail extending in a straight line in a first direction and configured to slidingly engage with a groove of the battery, and a terminal portion including a terminal configured to be electrically connected with a terminal of the battery. The cover is displaceable relative to the main body portion, and configured to overlap an entirety of the terminal portion, when the cover is at a first position and viewed from a first side in the first direction.
An electric work machine includes: a motor including a rotor that rotates about a rotation axis and a stator disposed around the rotor; and a sensor substrate including a rotation sensor that detects rotation of the rotor and a plate that supports the rotation sensor. The stator includes: a stator core disposed around the rotor; an insulator fixed to the stator core; and a plurality of coils fixed to the insulator and arranged at intervals in a circumferential direction. The plate includes: an arc portion extending partially around the rotation axis and having a first surface facing an end surface of the rotor in an axial direction, and at least two arm portions protruding outward in a radial direction from the arc portion and fixed to the insulator. The rotation sensor is disposed on the first surface.
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
99.
GREASE DISCHARGE DEVICE AND GREASE LUBRICATION SYSTEM
A grease discharge device includes a grounded-type tank, a lid, a pump unit, and an attachable and detachable battery. The grounded-type tank is configured to store grease with an opening at an upper part of the tank. The lid closes the opening. The pump unit is connected to the lid. The pump unit suctions the grease in the tank and discharges the grease to an outside of the tank by driving of a motor. The attachable and detachable battery drives the motor.
A driving tool has a tool body, a driver that moves downward to strike a driven member, a grip extending rearward from the tool body, a battery mounting section provided at a rear part of the grip to which a battery can be attached, a motor housing extending rearward from the tool body below the grip and accommodating an electric motor that moves the driver, and a controller arranged below the electric motor to control an operation of the electric motor.
