A control assembly for controlling a speed or torque of operation of an electric device includes a control assembly housing, a magnetic sensor, a magnetic element; and an actuator. The actuator moves relative to the control assembly and, responsive to that movement, the magnetic sensor and magnetic element are moved relative to each other between a first position and a second position so that the magnetic sensor senses a first magnetic field reading when in the first position and senses a second magnetic field reading when in the second position. A control module is operably connected to the magnetic sensor and configured for controlling the electric device, and a magnetic shielding element is positioned within the control assembly housing to alleviate a magnetic signal source external to the control assembly from interfering with the sensing by the magnetic sensor.
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
An electrical switch unit for use in controlling operation of an electrical device, the electrical switch unit including: an electrical switch unit housing for housing at least a pair of electrical switching contacts of the electrical switch unit, said electrical switch unit housing including a first housing member and a second housing member that are configured for attachment together at peripheral regions of the first and second housing members so as to cooperatively form an enclosed space for housing the pair of electrical switching contacts therein; an actuator member operably-connected with at least one of the pair of electrical switching contacts, the actuator being configured for movement relative inwardly and outwardly of an opening in the electrical switch unit housing so as to arrange the pair of electrical switching contacts into at least one of a closed configuration wherein power is able to be supplied from a power source to motor or other electrically-operable element of the electrical device via the pair of electrical switching contacts, and, an opened configuration wherein power is not able to be supplied from the power source to the motor or other electrically-operable element of the electrical device via the pair of electrical switching contacts; and an sealing element including an elastically-resilient polymeric material, said sealing element being configured for location between the first and second housing members and extending about the peripheral regions of the attached first and second housing members so as to occlude passage and ingress of particulates and water into the electrical switch unit housing.
An electrical switch including a switch housing, a switch circuit disposed within the switch housing. The switch circuit including includes a movable contact member mounted on a contact lever and a stationary contact member. The contact lever is configured for operable-interaction with an actuator. The actuator is configured for movement along an actuator movement axis relative to the contact lever between at least one of an OFF position whereby the contact lever is configured for arrangement in to the first configuration whereby the switch circuit is opened, and, an ON position in which the contact lever is configured for arrangement in to the second configuration whereby the switch circuit is closed.
A trigger switch assembly for use with an electrical device, including: a switch housing; a switch circuit disposed within the switch housing; an actuator rod configured for operable-interaction with a contact lever of the switch circuit; a trigger member having an actuator rod engagement recess configured for receiving a first end of the actuator rod therein, and, a finger-engagement portion configured for engagement by a user's finger so as to urge the actuator rod along the movement axis from the OFF position in to its ON position; and a lock-off mechanism.
B25F 5/02 - Construction of casings, bodies or handles
H01H 13/52 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell push switch
6.
Variable-speed control assembly for an electric device
A variable-speed control assembly for use in controlling speed of an electric motor of an electric device, the variable-speed control assembly including: a housing; a speed signaling circuit module located within the housing including a pair of spaced-apart electrically-conductive stationary contact members and a movable electrically-conductive contact member configured for movement relative to the pair of stationary contact members between at least one of an OFF position in which the movable contact member does not electrically connect the pair of stationary contact members, and, a plurality of ON positions in which the movable contact member electrically connects the pair of stationary contact members such that an electric current supplied to the speed signaling circuit module from a power supply of the electric device is able to flow between the pair of stationary contact members via the movable contact member; wherein the movable contact member includes an elastically-deformable material configured for deforming in to a plurality of different deformed configurations when arranged in each of the plurality of ON positions such that a contact area between the movable contact member and the pair of stationary contact members will vary in each of the plurality of ON positions resulting in an amount of electrical resistance across the movable contact member varying when arranged in each of the plurality of ON positions relative to the pair of stationary contact members; and whereby said speed signaling circuit module is configured for producing different output electrical signals configured for use in controlling speed of operation of the electric motor by reference to the variable electrical resistance across the movable contact member when arranged in each of the ON positions.
A food processor for use in processing food matter, the food processor including: a receptable configured for holding food matter; an electric motor; a blade configured for being rotatably driven by the electric motor so that the blade is able to blend, mix, stir, agitate or chop the food matter within the receptacle; and a pulsing mode module configured for effecting pulsed operation of the food processor with variable speed or variable torque during blending, mixing, stirring, agitating or chopping of the food matter in the receptacle.
A47J 43/07 - Parts or details, e.g. mixing tools, whipping tools
A47J 43/046 - Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
A touch LED component and a touch device, and the touch LED component includes a metal cap, a touch button sheathed on an inner wall of the metal cap, and an LED lamp bead coupled to an inner wall of the touch button, a first through hole formed at the top of the metal cap, an induction pin installed at the bottom of the touch button, and an anode pin and a cathode pin installed on both sides of the bottom of the LED lamp bead respectively. The touch device includes a touch panel, a circuit board, and plural touch LED components. The touch LED component with high integration can be packaged by carrier tapes to facilitate automatic plug-ins and simplify production and assembling processes for mass production. The touch device has the features of simple structure, high reliability, good effect and long life.
An electrical switch unit for use with a variable speed electrical device includes a housing for a pair of electrical switching contacts, and an actuator operably connected with one of those contacts. A signaling module is associated with the electrical switch unit, and has signaling circuitry for sensing the movement of the actuator and outputting a signaling module signal indicative of the sensed movement or position of the actuator. A power module with a power switching device controllably supplies power from the DC power source to the DC motor at a speed corresponding to the sensed movement or position of the actuator. A control module receives the signaling module signal, and outputs a control module signal to control the power module.
H02P 7/29 - 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 discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
H02P 1/18 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual DC motor
H03K 17/0412 - Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the control circuit
H03K 17/687 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25D 16/00 - Portable percussive machines with superimposed rotation
B23B 45/02 - Hand-held or like portable drilling machines, e.g. drill gunsEquipment therefor driven by electric power
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H01H 3/20 - Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
H01H 9/06 - Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
11.
Lock-off assembly for use in locking-off a trigger of an electrical device
A trigger assembly for an electrical device that includes a main body having a housing within which an electrical switch unit is disposed. The trigger assembly may include a trigger member having an engagement portion that is hingedly connected to the main body so that the trigger member is rotatable about a hinge relative to the main body. The trigger assembly may include an actuator member operably-connected to the trigger member that is movable between an OFF position and an ON position. The trigger assembly may include a lock-off mechanism including a lock-off member that is selectively operable to restrict movement of the trigger member towards the main body and to thereby restrict movement of the actuator member from the OFF position into the ON position, and, to not restrict movement of the trigger member toward the main body.
A control stick includes a control portion, a first electrical contact portion and a second electrical contact portion. The control portion has plural first moving contact points, the first electrical contact portion has a control board and plural first static contact points corresponding to the first moving contact points respectively, and a gap exists between the first moving contact point and the respective first static contact point. The first static contact points are electrically connected with the control board. When the control portion swings towards one of the first moving contact points, the first moving contact point is contacted and conducted with the first static contact point. This control stick is capable of achieving the control of a multiple of variables to meet the requirements of controlling a multiple variable in some occasions.
G06F 3/033 - Pointing devices displaced or positioned by the userAccessories therefor
G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
A covering for a trigger assembly of an electrical device, said covering being configured for at least partially covering a torsion spring of the trigger assembly so as to alleviate ingress of dust, water and other particulates in to contact with the torsion spring.
Disclosed is a rotary bridge micro-switch. The rotary bridge micro-switch comprises an insulating base, wherein a first terminal, a second terminal and a third terminal are arranged on the insulating base and are spaced from one another by the insulating base; and the insulating base is rotatably connected to a conducting plate having one end abutting against the first terminal. The rotary bridge micro-switch further comprises a spring having two ends respectively connected to the other end of the conducting plate and the insulating base. When the spring is not compressed, the first terminal is connected to the second terminal through the other end of the conducting plate. When the spring is compressed, the first terminal is connected to the third terminal. The rotary bridge micro-switch can be pressed to realize switching between two circuits.
H01H 13/52 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell push switch
A touch control human-machine interface for use in controlling operation of a machine, said interface including: an interface housing; a cover plate disposed on an outer-surface of the housing, said cover plate having a first electrically-conductive portion configured for touch interaction by a user's finger; a circuit assembly disposed within the housing, said circuit assembly including a circuit board having a second electrically-conductive portion and a light illumination module operably-connected thereto; a spacer element disposed between and separating the first conductive portion from the second conductive portion such that the first conductive portion, the second conductive portion and the spacer element are configured to form a capacitor device that is operably-connected with the circuit assembly; said first electrically-conductive portion being configured for deformation by the user's finger so as to cause a change in capacitance across the capacitor device, and whereby responsive to said change in capacitance, the circuit assembly is configured for generating a control signal for controlling operation of the machine, and, for controlling the light illumination module to propagate a light emission from the circuit assembly through the housing and cover plate so as to be visible externally of the housing.
G06F 3/02 - Input arrangements using manually operated switches, e.g. using keyboards or dials
G06F 3/044 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
G06F 3/0481 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
A snap-action switch including: a housing in which a plurality of fixed contacts and a plurality of movable contacts are disposed therein, a plunger configured for depressible movement via an aperture in the housing from a first position in which the plunger is relatively extended outwardly of the housing via the aperture, into, a second position in which the plunger is relatively retracted inwardly of the housing via the aperture; and a snap-action assembly operably-connected with the plunger, the snap-action assembly being responsive to depressible movement of the plunger so as to effect snap-action type movement of the plurality of movable contacts between normally opened and normally closed positions with respect to the fixed contacts; a sealing element configured for arrangement around the plunger to occlude ingress of particulates, dust and water from entering the housing via the aperture, the sealing element including a flanged portion; and a securement element configured for arrangement around the sealing element, wherein the securement element is shaped and dimensioned for interference fitting or snap-fitting with a rim of the aperture whereby the flanged portion of the sealing element is secured between the securement element and the rim of the aperture so as to restrict removal of the sealing element from the housing.
H01H 13/50 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
17.
Control system for use in controlling operation of an electrical appliance
A control system for use in controlling operation of an electrical appliance, including: an electrical appliance housing having a control module; and a power source; a control knob including: an attachment element configured for releasably attaching the control knob to an outer surface of the housing; and an input/output module; a wireless power transfer system configured for wirelessly transferring power from the power source through the electrical appliance housing and to the input/output module for use in powering the input/output module; and a wireless control signaling module configured for wirelessly communicating a control signal from the control knob through the housing to the control module within the electrical appliance housing, said control signal received by the control module being indicative of an operational position/state of the control knob, and whereby said control module is configured for controlling operation of the electrical appliance by reference to the received wireless control signal.
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
G05B 15/02 - Systems controlled by a computer electric
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
A warning device for use with a computerised warning system, the warning device including: a securement mechanism configured for arrangement between at least one of a secured configuration wherein the securement mechanism is configured to secure the warning device to a person's body, or to an item of clothing or accessory worn or carried on the person's body, and, an unsecured configuration wherein the securement mechanism is configured to allow release of the warning device from securement to the person's body, or to the item of clothing or accessory worn or carried on the person's body; a sensor module configured for sensing when the securement mechanism has been arranged in to the unsecured configuration, and, for sensing at least one type of interaction with the warning device when the securement mechanism has been arranged in the unsecured configuration; and a communication module communicably-connected with a computer server of the computerised system and configured for communicating information to the computer server indicative of the securement mechanism being arranged in to the unsecured configuration and indicative of the at least one type of interaction with the warning device that is sensed by the sensor module, and whereby in response to receiving the information form the communication module, the computer server is configured for communicating a predetermined warning message corresponding to the received information.
G08B 25/01 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
19.
Variable-speed controller for use with an electric device
A variable-speed controller for use with an electric device including: a variable resistor element having a variable resistor element contact surface; a membrane including a first membrane contact surface spaced-apart from the variable resistor element contact surface by a spacer element, and, a second membrane contact surface; a slider configured for slidable movement along the second membrane contact surface wherein responsive to the slider slidably moving along the second membrane contact surface, the first membrane contact surface is able to be urged into contact with the variable resistor element contact surface in a plurality of contact point configurations whereby the effective resistance of the variable resistor element is configured to change in response to the first membrane contact surface being urged into contact with the variable resistor element contact surface in each of the plurality of contact point configurations.
H02P 7/06 - 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
H01C 10/38 - Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
H01C 10/30 - Adjustable resistors the contact sliding along resistive element
H02P 6/06 - Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
H02P 7/29 - 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 discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
H02P 9/14 - Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
Provided is a waterproof toggle switch, which includes a panel, a shift lever, a fixed contact and an elastic element. The panel is provided with an opening portion, with the opening portion running through the panel, between a front wall surface and a rear wall surface of the panel. The shift lever is rotatably held in the opening portion of the panel, and the shift lever includes a rotation center portion, a driving portion and an operation portion. A fit clearance between the rotation center portion and the opening portion ranges from 0.02 mm to 0.2 mm. By providing the panel with the opening portion and providing the shift lever with the rotation center portion, and by controlling the fit clearance between the opening portion and the rotation center portion, a waterproof toggle switch having superperformance and a low cost is provided.
An electrical switch includes a fixed electrical contact; a movable electrical contact which is moveable relative to thereto between an ON position in contact with and, an OFF position out of contact with, the fixed electrical contact; a contact mover movably coupled to a terminal member moveable relative thereto so as to move the movable electrical contact between the ON and OFF positions; a biasing member coupling the contact mover and the terminal member together such that said biasing member acts upon the contact mover as the contact mover moves the movable electrical contact relative to the fixed electrical contact between the ON and OFF positions; wherein in the ON position, electrical current flows along a path comprising the terminal member, contact mover and movable electrical contact in series, and, an electrical insulation member arranged in series with the biasing member between the contact mover and the terminal member.
H01H 3/38 - Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
22.
Push-button switch capable of adjusting output power
A push-button switch capable of adjusting output power includes a housing. The housing includes a contact assembly and a power adjustment assembly therein. The contact assembly includes an upper terminal, a lower terminal and a connecting elastic plate below the upper terminal. A support seat is provided in the housing. An upper end of the support seat is provided with a first bracket. The first bracket is inserted through the connecting elastic plate. The first bracket is provided with a first slot. One end of the connecting elastic plate is fixedly connected to the upper terminal. Another end of the connecting elastic plate is engaged with the first slot. A drive mechanism is provided above the connecting elastic plate for driving the connecting elastic plate downward. The push-button switch has an ergonomic design.
H01H 13/26 - Snap-action arrangements depending upon deformation of elastic members
H01H 13/38 - Single blade moved across dead-centre position
H01H 13/42 - Blade spring with at least one snap-acting leg and at least one separate contactcarrying or contact-actuating leg having three legs
H01H 13/50 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
H03K 17/965 - Switches controlled by moving an element forming part of the switch
A speed control switch includes a base. An upper end of the base is provided with a switch assembly. A side of the base is provided with a PCB board and a slide terminal. The PCB board is provided with a first contact plate. The slide terminal is slidably connected with the first contact plate. The base is provided with a trigger assembly for driving the slide terminal to slide along the first contact plate and to close the switch assembly. The speed control switch can regulate the speed of a motor precisely. The structure is compact to reduce the size of the switch, so that it is convenient for operation.
H01H 13/18 - Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
An electrical switch assembly for an electrical appliance having an electrical load such as a motor, includes a housing with an opening, switch terminals, and an on/off mechanical switching module. The switch assembly includes an electronic control module operable with a semiconductor switching device to control operation of the load, and a heat sink in thermal contact with the switching device for dissipating heat. The heat sink is electrically conductive and is in electrical circuit connection with a first terminal of the switching device and one of the switch terminals. The heat sink closes the opening and forms part of the housing.
An electrical switch has a switch body, actuators, and switch contacts, and at least one moving contact member having first and second ends. Elongate cam sliders extend side-by-side in the switch body, between the actuators and the moving contact member, for sliding lengthwise by the actuators to cause pivotal movement of the moving contact member about the first end such that the second end is moved into and out of contact with at least one of the switch contacts. The first and second ends of the moving contact member lie in a plane extending parallel to the longitudinal extent of the cam sliders, or extend parallel to the length of the cam sliders.
An electrical switch has a fixed contact and a moving contact moving between a first position in contact with the fixed contact and a second position not in contact with the fixed contact. An operating mechanism moves the moving contact and includes a resiliently biased presser resiliently pressing upon the moving contact while riding in opposite first and second directions past a barrier associated with the moving contact, and a spring having first and second parts acting on first and second sides of the presser to maintain the presser in a neutral position and providing extra biasing force to assist the presser in moving faster upon riding past the barrier.
An electrical switch has a switch body with upper and lower body parts; actuators; individual switch terminals, each switch terminal having a contact part in the switch body; a common switch terminal having a contact portion in the switch body; and cam sliders extending side-by-side between the actuators and the contact parts of the individual switch terminals, sliding to move the contact parts into and out of contact with the common switch terminal. The contact portion of the common switch terminal extends across the contact parts of the individual switch terminals. The contact portion is sandwiched by the upper and lower body parts. At least two individual switch terminals are located along one side of the switch body, each individual switch terminal having an aperture accessible on the same side of the switch body, in which two ends of a conductor are insertable to short-circuit the two individual switch terminals.
H01H 13/74 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position each contact set returning to its original state only upon actuation of another of the operating members
H01H 13/76 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein some or all of the operating members actuate different combinations of the contact sets, e.g. ten operating members actuating different combinations of four contact sets
H01H 3/42 - Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
A trigger mechanism for an electric power tool, comprises a spring-loaded trigger movable between an foremost position and an rearmost position, an adjuster for adjusting the rearmost position, an electrical switch arranged for closing by the trigger while the trigger is in an intermediate position, and a variable resistor arranged for operation by the trigger while the trigger is in an intermediate position to provide a resistance having a value dependent upon the position of the trigger. A locking device is included for locking the trigger near the rearmost position, and which is movable in opposite directions and arranged to lock the trigger near the rearmost position when the locking device is moved in either one of opposite directions.
An electrical switch has two fixed contacts and a moving contact, a spring urging the moving contact towards contacting the fixed contacts, and an actuating mechanism for moving the moving contact away from the fixed contacts against urging by the spring and, alternatively, allowing the moving contact to contact the fixed contacts under the action of the spring. The actuating mechanism has an engaging member for engaging and retaining the moving contact and includes a spring acting on the engaging member for separating the moving contact from the fixed contacts through an instant spring-release action. One of the engaging member and the contacts is configured such that the moving contact will be engaged and moved by the engaging member out of contact with one of the fixed contacts earlier than with the other fixed contact.
H01H 13/30 - Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs one end of spring transmitting movement to the contact member when the other end is moved by the operating part
An electrical switch has a fixed contact and a moving contact arranged for movement between an ON position in contact with the fixed contact and an OFF position out of contact with the fixed contact, and an operating member for operating the moving contact. A spring co-acts between the operating member and the moving contact and resiliently biases the moving contact towards each of the ON and OFF positions through an over-centre action of the spring. An end piece is fitted at each end of the spring, which has a formation, for example, a groove, for pure rotary engagement with a part, for example, a pin, movable with the operating member or moving contact for imparting resilient action upon the operating member or the moving contact.
An electrical appliance, such as a power tool, has an electrical motor, a control circuit connected to the motor, and a rechargeable LI-ion battery pack for powering the motor via the control circuit. A battery protection circuit has a detection circuit for detecting an adverse operating condition of the battery pack and then providing a disabling signal indicative of that condition. Also included is an interface circuit provided between the battery circuit and the control circuit for sending said disabling signal to the control circuit to switch off the motor.
An electrical switch includes two fixed contacts and a moving contact supported for movement between an ON position in contact with the fixed contacts and an OFF position out of contact with the fixed contacts, and an operating mechanism for moving the moving contact. The operating mechanism has an operating member, a contact mover supported for moving the moving contact upon movement by the operating member, and a spring-loaded device located between the operating member and the contact mover for movement by the operating member past a transitional condition of maximum strain to flick the contact mover between the operating positions of the contact mover.
H01H 13/30 - Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs one end of spring transmitting movement to the contact member when the other end is moved by the operating part
33.
Circuit interrupter that produces snap-action connection and disconnection between electrical contacts
An apparatus and method to minimize teasing and contact welding at contact points includes a switch having a first contact movable toward a second contact from a switch-deactuated position to a switch-actuated position and movable away from the second contact from the switch-actuated position back to the switch-deactuated position. A transfer carriage is operatively engaged with the first contact and includes a flip-flop mechanism for bringing the first contact into contact with the second contact and releasing the first contact from the second contact. The flip-flop mechanism utilizes a transfer barrier to switch between the switch-actuated and switch-deactuated positions. An actuator imparts movement on the transfer carriage to overcome the transfer barrier when moving between the switch-deactuated and switch-actuated positions.
H01H 13/00 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
patents