A hair trimmer bladeset (20) for a hair trimmer (10) includes a stationary blade (24) having a stationary blade base (26) and a plurality of stationary blade teeth (28) projecting from a first edge (30) of the stationary blade base, a moving blade (36) having a moving blade base (38) and a plurality of moving blade teeth (40) projecting from a first edge (42) of the moving blade base, the moving blade constructed and arranged to reciprocate laterally relative to the stationary blade. A blade guide (44) is secured to the moving blade. The moving blade is configured for being slidably adjusted relative to the stationary blade and the blade guide in a direction transverse to the reciprocation. An adjuster (50) is associated with the blade guide (44) and is configured for moving the moving blade relative to the stationary blade upon user manipulation.
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
A hair trimmer bladeset for a hair trimmer includes a stationary blade having a stationary blade base and a plurality of stationary blade teeth projecting from a first edge of the stationary blade base, a moving blade having a moving blade base and a plurality of moving blade teeth projecting from a first edge of the moving blade base, the moving blade constructed and arranged to reciprocate laterally relative to the stationary blade. A blade guide is secured to the moving blade. The moving blade is configured for being slidably adjusted relative to the stationary blade and the blade guide in a direction transverse to the reciprocation. An adjuster is associated with the blade guide and is configured for moving the moving blade relative to the stationary blade upon user manipulation.
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/20 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
A bladeset (24) of the present invention includes a movable blade (26) having a plurality of teeth (46). The bladeset (24) also includes a stationary blade (28) having a plurality of movable teeth (48). The moving blade (26) is movable relative to the stationary blade (28) along a cutting axis (40). Each tooth of the plurality of teeth (48) of the stationary blade (28) has a tooth depth measured from a tip (62) of the tooth to a root (58) of the tooth. The tooth depth is at least about 0.150 inches. The plurality of teeth (48) of the stationary blade (28) has a tooth pitch of preferably about 0.032 inches to about 0.058 inches, more preferably a tooth pitch of about 0.035 inches to about 0.054 inches, and even more preferably a tooth pitch of about 0.038 inches to about 0.050 inches.
Some electric hair cutting devices have a stationary blade, a reciprocating blade, and an oscillating motor. Oscillating motors include pivot motors and linear motors. Both motors have a stator, an armature and at least one spring. The armature drives a load such as the reciprocating blade. The armature, the spring and the load have a mechanical resonant frequency. An H-bridge is supplied with pulse width modulated (PWM) signals from a controller and converts direct current from a battery to alternating current having the frequency of the PWM signals. The controller measures the mechanical resonant frequency when power to the motor is turned off and the armature continues to oscillate due to stored energy. The controller adjusts the frequency of the PWM signals to the measured mechanical resonant frequency and stores it in a memory for use the next time the motor is turned on.
B26B 19/12 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the oscillating-cutter typeCutting heads thereforCutters therefor
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
H02P 23/00 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control
H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
Some electric hair cutting devices have a stationary blade, a reciprocating blade, and an oscillating motor. Oscillating motors include pivot motors and linear motors. Both motors have a stator, an armature and at least one spring. The armature drives a load such as the reciprocating blade. The armature, the spring and the load have a mechanical resonant frequency. An H- bridge is supplied with pulse width modulated (PWM) signals from a controller and converts direct current from a battery to alternating current having the frequency of the PWM signals. The controller measures the mechanical resonant frequency when power to the motor is turned off and the armature continues to oscillate due to stored energy. The controller adjusts the frequency of the PWM signals to the measured mechanical resonant frequency and stores it in a memory for use the next time the motor is turned on.
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
B26B 19/12 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the oscillating-cutter typeCutting heads thereforCutters therefor
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
H02K 33/04 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
A hair trimmer includes a trimmer housing having a drive end, a drive shaft projecting from the drive end, a chassis having one end associated with the drive shaft and an opposite end having at least one projecting charging pin, a radial flange at each of the ends, an endcap at each of the ends, each endcap having an axially extending annular skirt, the annular skirt dimensioned to enclose the corresponding chassis end, and a tubular sleeve of heat deformable plastic film dimensioned for slidingly surrounding the chassis and extending axially at least to the flanges, such that upon application of heat, the sleeve deforms around the chassis and the endcaps and forms a watertight enclosure.
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
14.
OUTLINER HAIR TRIMMER WITH ENHANCED WATER RESISTANT SEALS
A hair trimmer includes a trimmer housing having a drive end, a drive shaft projecting from the drive end, a chassis having one end associated with the drive shaft and an opposite end having at least one projecting charging pin, a radial flange at each of the ends, an endcap at each of the ends, each endcap having an axially extending annular skirt, the annular skirt dimensioned to enclose the corresponding chassis end, and a tubular sleeve of heat deformable plastic film dimensioned for slidingly surrounding the chassis and extending axially at least to the flanges, such that upon application of heat, the sleeve deforms around the chassis and the endcaps and forms a watertight enclosure.
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
B26B 19/14 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter typeCutting heads thereforCutters therefor
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
Electric hand implements for hair cutting and grooming, namely, electric hair cutting and grooming devices having a motor and a movable blade, replacement parts and accessories for the aforesaid goods.
Electric hand implements for hair cutting and grooming, namely, electric hair cutting and grooming devices having a motor and a movable blade, replacement parts and accessories for the aforesaid goods.
17.
ELECTRIC HAIR CUTTING DEVICE WITH INERTIAL LOADING COMPENSATION
A hair clipper (20) with inertial load compensation includes a housing (22) having a first end and a second end opposite the first end, a bladeset (24) mounted to the housing at the first end. The bladeset includes a stationary blade (28), a moving blade (26) movable relative to the stationary blade along a cutting axis (40) in first and second directions (36, 38) to produce a cutting action, a cam follower (52) mounted to the moving blade, and a tensioner (50) in contact with the cam follower and arranged to bias the cam follower into engagement with the moving blade. One or more compensation elements (82, 84) contact the cam follower (52) and are arranged to bias the cam follower in a direction parallel to the cutting axis (40).
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/12 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the oscillating-cutter typeCutting heads thereforCutters therefor
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
18.
ELECTRIC HAIR CUTTING DEVICE WITH INERTIAL LOADING COMPENSATION
A hair clipper with inertial load compensation includes a housing having a first end and a second end opposite the first end, a bladeset mounted to the housing at the first end. The bladeset includes a stationary blade, a moving blade movable relative to the stationary blade along a cutting axis in first and second directions to produce a cutting action, a cam follower mounted to the moving blade, and a tensioner in contact with the cam follower and arranged to bias the cam follower into engagement with the moving blade. One or more compensation elements contact the cam follower and are arranged to bias the cam follower in a direction parallel to the cutting axis.
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
A hair clipper has a fixed blade, a reciprocating blade and a vibratory motor. The vibratory motor has a reciprocating armature operatively connected to the reciprocating blade, an electromagnet and a spring. The armature and the electromagnet are separated by an air gap. The armature moves during operation, which causes the air gap to change as the armature reciprocates. The electromagnet has a wire wound around a metallic core to form a plurality of windings. The electromagnet has an inductance that varies as the armature reciprocates and the air gap changes. A first end of the wire is electrically connected to an alternating current power source, and a second end of the wire is electrically connected to a first lead of a capacitor. The capacitor has a second lead which is electrically connected to the alternating current power source.
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
H02K 11/33 - Drive circuits, e.g. power electronics
A bladeset (24) for an electric hair cutting device (20) includes a moving blade (26), a stationary blade (28), and an adjustment mechanism (34) for adjusting a position of the moving blade relative to the stationary blade to allow for user control of a length of hair cut by the device. The bladeset includes provisions for maintaining sufficient parallelism of the moving blade relative to the stationary blade despite its adjustability.
B26B 19/20 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
A bladeset for an electric hair cutting device includes a moving blade, a stationary blade, and an adjustment mechanism for adjusting a position of the moving blade relative to the stationary blade to allow for user control of a length of hair cut by the device. The bladeset includes provisions for maintaining sufficient parallelism of the moving blade relative to the stationary blade despite its adjustability.
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/20 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length
(1) Animal hair clippers; blades for electric razors; blades for hair clippers; blades for hair trimmers; electric hair clippers; electric hair cutters; electric hair trimmers; electric razors; electric shavers
An adjustable bladeset (18) for a hair clipper (10) with a clipper housing (12) includes a stationary blade (20) having a stationary toothed end (20) with a plurality of stationary teeth (24), an opposite stationary base end (26) and an upper surface (28), and a moving blade (30) having a moving toothed end (32) with a plurality of moving teeth (34), the moving blade configured for reciprocal transverse movement relative to the stationary blade on the upper surface. The stationary blade is linearly displaceable relative to the moving blade by action of an adjustment lever (36) on the clipper housing. A blade guide (38) is on the upper surface at the stationary base end (26), and has at least one toothed strip (44). The adjustment lever is connected to a blade actuator shaft (56) having at least one toothed cog (58) configured to engage the toothed strip (44) so that rotation of the actuator shaft causes the linear displacement of the stationary blade relative to the moving blade.
B26B 19/20 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
An adjustable bladeset for a hair clipper with a clipper housing includes a stationary blade having a stationary toothed end with a plurality of stationary teeth, an opposite stationary base end and an upper surface, and a moving blade having a moving toothed end with a plurality of moving teeth, the moving blade configured for reciprocal transverse movement relative to the stationary blade on the upper surface. The stationary blade is linearly displaceable relative to the moving blade by action of an adjustment lever on the clipper housing. A blade guide is on the upper surface at the stationary base end, and has at least one toothed strip. The adjustment lever is connected to a blade actuator shaft having at least one toothed cog configured to engage the toothed strip so that rotation of the actuator shaft causes the linear displacement of the stationary blade relative to the moving blade.
B26B 19/20 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
43.
BLADESET FOR A HAIR CUTTING APPARATUS WITH TAPERED TEETH
A bladeset is operationally connected to a hair clipper and includes a stationary blade and a moving blade configured for reciprocating laterally relative to the stationary blade. At least one of the stationary blade and the moving blade includes a base and a plurality of teeth extending from the base. The plurality of teeth includes a set of long teeth, each of the long teeth having a tip parallel to and spaced a first distance from the base defining a first cutting line; and a set of short teeth, each of the short teeth having a tip parallel to and spaced a second distance from the base defining a second cutting line spaced apart from the first cutting line. The first cutting line is farther from the base than the second cutting line.
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
A hair clipper is provided and includes a drive system having a drive member, where the drive system is coupled to a motor that linearly moves the drive member, a bladeset including a stationary blade and a moving blade configured for moving linearly relative to the stationary blade and a drive bushing attached to the moving blade, where the drive member engages the drive bushing to reciprocally move the moving blade relative to the stationary blade.
B26B 19/02 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/12 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the oscillating-cutter typeCutting heads thereforCutters therefor
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
45.
BLADESET FOR A HAIR CUTTING APPARATUS WITH TAPERED TEETH
A bladeset (20) is operationally connected to a hair clipper (22) and includes a stationary blade (28) and a moving blade (34) configured for reciprocating laterally relative to the stationary blade. At least one of the stationary blade and the moving blade includes a base (46) and a plurality of teeth extending from the base. The plurality of teeth includes a set of long teeth (42), each of the long teeth having a tip (52) parallel to and spaced a first distance from the base defining a first cutting line; and a set of short teeth (44), each of the short teeth having a tip (52) parallel to and spaced a second distance from the base defining a second cutting line spaced apart from the first cutting line. The first cutting line is farther from the base than the second cutting line.
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
46.
OUTLINER HAIR TRIMMER WITH INTERCHANGEABLE WORKHEADS
A hair trimmer includes a trimmer housing having a drive end; a drive shaft projecting from the drive end; a support bracket associated with the drive end; a cutting workhead connectable to the drive shaft and being supported on the trimmer by the support bracket; the cutting workhead being removably secured to the support bracket; the support bracket has a first end configured for engaging the cutting workhead, and a second end configured for engaging the clipper housing, the support bracket is releasably secured to the clipper housing by a threaded thumbscrew; and a compressible member or bushing interposed between a gripping portion of the thumbscrew and a contact surface of the workhead bracket to provide user enhanced tactile feedback of tightness.
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/14 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter typeCutting heads thereforCutters therefor
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
47.
CONSTANT ROTATIONAL SPEED CONTROL CIRCUIT FOR ELECTRIC MOTOR, ELECTRIC MOTOR CONTROL CIRCUIT FOR ELECTRIC HAIR CLIPPER, AND ELECTRIC HAIR CLIPPER
The present invention provides a constant rotational speed control circuit for an electric motor, an electric motor control circuit for an electric hair clipper, and an electric hair clipper. The constant rotational speed control circuit for an electric motor comprises: an electric motor driving circuit, an electric motor protection circuit, an electric motor rotational speed measurement circuit, an electric motor current measurement circuit and a master control unit, wherein the master control unit is electrically connected to the electric motor driving circuit and outputs a rotational speed control signal to a control end of the electric motor driving circuit; the electric motor driving circuit is electrically connected to a controlled electric motor, and regulates the rotational speed of the controlled electric motor on the basis of the rotational speed control signal; a signal input end of the electric motor rotational speed measurement circuit is electrically connected to the controlled electric motor, and a signal output end of the electric motor rotational speed measurement circuit is electrically connected to the master control unit; the electric motor current measurement circuit is connected in series to the controlled electric motor, and a signal output end of the electric motor current measurement circuit is electrically connected to the master control unit; and the electric motor protection circuit inputs an acquired electric motor voltage signal into the master control unit. The present invention solves the problem of it not being possible for an electric hair clipper to regulate the rotational speed on the basis of a load change, thereby improving the efficiency and effect of hair cutting.
(1) Electric hand implements for hair cutting and grooming, namely, electric hair cutting and grooming devices having a motor and a movable blade, and accessories therefor
(1) Electric hand implements for hair cutting and grooming, namely, electric hair cutting and grooming devices having a motor and a movable blade, and accessories therefor
Electric hand implements for hair cutting and grooming, namely, electric hair cutters and grooming devices, namely, electric hair clippers having a motor and a movable blade
Electric hand implements for hair cutting and grooming, namely, electric hair cutters and grooming devices, namely, electric hair clippers having a motor and a movable blade
Electric hand implements for hair cutting and grooming, namely, electric hair cutters and grooming devices, namely, electric hair clippers having a motor and a movable blade
A hair clipper is provided, including a stator with a plurality of laminations, a bobbin located in operational relation to the stator and having a coil of wire wound around the bobbin, an armature being configured for driving a hair clipper moving blade at one end, and having at least one magnet at an opposite end, the armature having a pivot point, and the motor being configured for operation between 2.5 and 4.2 Volts.
H02K 3/52 - Fastening salient pole windings or connections thereto
B26B 19/06 - Cutting heads thereforCutters thereforSecuring equipment thereof involving co-operating cutting elements both of which have shearing teeth
B26B 19/28 - Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
B26B 19/38 - Details of, or accessories for, hair clippers or dry shavers, e.g. housings, casings, grips or guards
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
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
H02P 25/032 - Reciprocating, oscillating or vibrating motors
Electric hand implements for hair cutting and grooming being electric hair cutting and grooming devices, namely, electric hair cutters having a motor and a movable blade
Electric hand implements for hair cutting and grooming being electric hair cutting and grooming devices, namely, electric hair cutters having a motor and a movable blade
Electric hand implements for hair cutting and grooming, namely, electric hair cutters and grooming devices having a motor and a movable blade; replacement blades therefor.
(1) Electric hand implements for hair cutting and grooming, namely, electric hair cutters and grooming devices having a motor and a movable blade; replacement blades therefor
Electric hair cutters; grooming devices, namely, electric hair trimmers having a motor and a movable blade; blades for electric hair clippers and trimmers
Electric hand implements for hair cutting and grooming, namely, electric hair cutting and grooming devices, namely, electric hair trimmers, having a motor and a movable blade
