Abstract: A razor includes a load and a voltage conversion system coupled to a voltage source and the load for transforming a variable voltage provided by the voltage source into a constant operating voltage for driving a load.

Abstract: A reciprocative electric hair trimmer is constituted by a seat, a blade body, and a mesh. An interior of the seat is provided with a reciprocative vibration mechanism; the blade body is fixed on the reciprocative vibration mechanism, and is formed into a piece of continuous bending surfaces. Lower concave surfaces of the continuous bending surfaces are fixed on the reciprocative vibration mechanism, and top surfaces of the continuous bending surfaces are formed with a plurality of blades. The mesh is mutually assembled with the seat, and conforms to an outline of the blade body. Accordingly, the present invention is provided with a great hair trimming effect and function, and can be also used to trim temples.

Abstract: A safety razor has a handle (1) and a head structure (5) mounted for pivotable movement relative to the handle during shaving. The head structure (5) includes a motor (18) housed in a sealed chamber (9) for driving a device in use of the razor, such as to reciprocate a guard component or a blade, to vibrate the head structure, to actuate a dispensing device for delivering a shaving enhancement fluid, or to oscillate a support platform (101) on which a blade unit (110) is mounted. The shaving cartridge can include a guard component (38) with projections (39) which are moved towards and away from the skin being shaved when the guard component is reciprocated by the motor (18).

Abstract: The invention discloses a vibration razor, including a hand grip, a scraper head, and a vibration motor. The scraper head is connected to the hand grip and includes a plurality of blades forming a blade surface. The vibration motor is disposed in the hand grip or the scraper head. When the vibration motor is activated, the scraper head vibrates. It is conducive to shave a beard with the effect of rubbing. Therein, the vibration motor can be a coin-shaped vibration motor or a bar-shaped vibration motor. The bar-shaped vibration motor is disposed parallel to the scraper surface and perpendicular to the head grip. Thereby, the vibration razor of the invention is more efficiently conducive in shaving a beard.

Abstract: A hair removing apparatus for removing hairs by using soap includes a water-resistant body case having a driving source therein; and a hair removing head attached to the water-resistant body case, the hair removing head having a hair removing unit driven by the driving source to pull out the hairs. The hair removing head has a bubble retention member that encloses the hair removing unit to retain soap bubbles therein.

Abstract: A toroidal type stepless speed changer including input and output disks 10 and 12, power rollers 20 provided between the disks with supporting shafts 28 thereof outwardly protruding, a single movable ring 30 with which the outer ends of the power roller supporting shafts 28 are engaged, the single movable ring being movable in the direction of the disk center shaft 14 with turning thereof being restricted, and a single adjustment belt 48 capable of making reciprocal motion in its turning (circumferential) direction so as to move the movable ring 30 along the disk center shaft. By the movement of the movable ring 30 in the disk center shaft direction that is caused by the reciprocal motion of the adjustment belt 48, the inclination of all the power roller supporting shafts is varied, thus changing the rotational speed between the input and output disks.

Abstract: An electronic palm-held hair trimmer has an ergonomically curved head with a trimmer housing that fits within a use's palm and fingers during use. The ergonomically curved head allows the user's hand to hold the hair trimmer in a manner that is generally perpendicular to the plane of the hair trimming mechanism during use. A detachable strap can be attached to clips on either side of the head for attaching to a use's hand to better support the hair trimmer. An On/OFF power button on the head is reachable by an index finger or middle finger of a use's hand while holding the hair trimmer in the palm of a use's hand. A turbo button is located with the power button, and allows for variable speeds of the trimming blades when activated. Attachments are provided for varying the amount of hair and length to be cut. The trimmer may be operated with a power cord or may include a rechargeable battery that is used as a power supply.

Abstract: The invention relates to a device (1) for shaving hair (93) and to a device having a shaving head (9). The shaving head (9) has at least one cutting member (17, 19) having a cutting edge (23) and a cutting direction (X), and the device has an actuator (29) for effecting a periodical motion of the cutting member relative to a base portion (3) of the device. According to the invention the periodical motion is effected in an imaginary plane which extends transversely to the cutting edge (23) and which has a first motion portion (89) and a second motion portion (91) following the first motion portion. The first motion portion is mainly directed in the cutting direction (X), and the second motion portion is mainly directed opposite to the cutting direction and is closer to the skin (93) than the first motion portion.

Abstract: A wet shave razor is provided that includes (a) a handle having a hollow head; (b) a cartridge having a body, the body having a surface for engaging the skin of the user and having at least one blade mounted therein; (c) an interconnect member, joined to the cartridge, constructed to pivotably and removably mount the cartridge to a distal end of the handle; and (d) an ejecting mechanism operatively connected to the handle to allow a user to disengage the interconnect member from the distal end of the handle, the ejecting mechanism including an actuator. The razor provides a vibrating function, and thus further includes a vibrating mechanism. A resilient element is positioned between the actuator and the handle, to damp vibration of the actuator in response to the vibration signal.

Abstract: Vibratory shavers are provided having a battery powered DC motor, which when energized rotates a weight eccentrically mounted to a motor shaft. The rotating weight imparts vibratory motion in the shaver housing and thereby a razor cartridge attached to the head of the shaver. The housing is specially designed so that the shaver head will move more front to back than side to side. This can be achieved (a) with the shaver housing having a wider aspect than a front to back aspect; (b) by thickening the side walls of the neck of the shaver relative to the front and back walls of the neck; and (c) by appropriately positioning and designing braces of varied thicknesses. The housing of the shaver may be permanently sealed and provided with a battery that may be recharged via induction. Alternatively, a cap can be provided to provide access to a replaceable battery.

Abstract: In a method of providing a surface with a protection layer having at least a first surface area (2) and a second surface area (1), which surface areas (1, 2) are distinguishable in that the surface areas (1, 2) differ from each other in at least one visual property, parts of the surface situated outside the first surface area (2) are masked with a mask layer which partially covers the surface, and the surface is subjected to an electrochemical treatment (14, 20), whereby non-masked parts of the surface are treated. As the mask layer provided on the surface is a sol-gel layer forming the protection layer in the second surface area (1), a wear-resistant surface-protection layer having visually distinguishable surface areas is provided in an efficient manner. An object which can be obtained by means of the proposed method is also described.

Abstract: Vibratory shavers are provided having a battery powered DC motor, which when energized rotates a weight eccentrically mounted to a motor shaft. The rotating weight imparts vibratory motion in the shaver housing and thereby a razor cartridge attached to the head of the shaver. The housing is specially designed so that the shaver head will move more front to back than side to side. This can be achieved (a) with the shaver housing having a wider aspect than a front to back aspect; (b) by thickening the side walls of the neck of the shaver relative to the front and back walls of the neck; and (c) by appropriately positioning and designing braces of varied thicknesses. The housing of the shaver may be permanently sealed and provided with a battery that may be recharged via induction. Alternatively, a cap can be provided to provide access to a replaceable battery.

Abstract: A personal care apparatus (1) with a housing (2) and with apparatus parts (6) for treating body parts of a person, which apparatus parts (6) are provided in a head region (5) of the personal care apparatus (1), is fitted in its head region (5) with a noise protection cap (9) which is designed with a closed circumference and which has a cap edge (12) which can be placed on the skin of a person during operation of the personal care apparatus (1) in order to fulfill a noise protection function.

Abstract: A hair removing apparatus (1) comprising two co-operating hair processing members (17, 19), formed by plate-shaped carriers and movable relatively to each other in a direction of movement (X). The two carriers are positioned with respect to each other, viewed in a Z direction substantially perpendicular to the carriers, by a plurality of positioning members (29), which are spaced apart in the direction of movement. At least one of the two carriers has a comparatively low bending stiffness. As a result, a comparatively small and uniform gap is present between the two carriers, and the friction force acting on the carriers in a direction parallel to the direction of movement is also comparatively small. In one embodiment the positioning members (29) each have an S-shaped or C-shaped tongue (31), which is provided on a third carrier (35), the first and second carriers (21, 27) being enclosed between the third carrier and contact elements (41) of the tongues.

Abstract: A shaving system for use with mechanical hand-held shavers includes a housing in which is disposed a DC motor, an eccentric weight coupled to a shaft of the motor, and a DC power source. The eccentric weight and motor shaft are oriented such that the axis of vibrations produced by the motor are parallel to an axis of the cutting edge of a razor blade attached to a handle in mechanical vibratory communication with the motor. The result is vibratory displacement of the razor blade, typically back-and-forth, over a range approximating the dimension of a human hair. In one embodiment a housing accepts the handle of a generic shaver, and in a second embodiment the housing is bifurcated and the handle of a shaver.

Abstract: A blade assembly for an electric hair cutter that includes a stationary blade and a cutting blade, where the cutting blade is configured for reciprocating arcuate motion relative to the stationary blade. The stationary blade includes a plurality of stationary cutting teeth, with each of the stationary cutting teeth having a tip at a distal end thereof, and wherein the tips of the stationary cutting teeth define a first imaginary line. The cutting blade includes a plurality of reciprocating cutting teeth, with each of the reciprocating cutting teeth having a tip at a distal end thereof, and wherein the tips of the reciprocating cutting teeth define a second imaginary line. The distance between the first imaginary line and the second imaginary line is greater near both end potions thereof than a corresponding distance at a center portion between the end portions.

Abstract: The invention is directed to a drive mechanism for driving a working unit, movable in a rotary oscillating manner, of domestic appliances, particularly dry shavers.

Abstract: The invention is directed to a drive mechanism for driving a working unit, movable in a rotary oscillating manner, of domestic appliances, particularly dry shavers.

Abstract: A shaving system which comprises a razor, a razor head and a mechanism for vibrating one or more skin-engaging elements at a frequency ranging from about 15,000 hertz to about 2,000,000 hertz.

Abstract: Dry shaving apparatus comprises a drive source provided in a housing; a first shaving unit (111) having a first outer cutter and a first undercutter coupled to the drive source and mounted for movement beneath said first outer cutter, and a second shaving unit (112, 113), having a second outer cutter and a second undercutter coupled to the drive source and mounted for oscillatory movement beneath said second outer cutter. The first outer cutter is coupled to the drive source and is mounted for oscillatory movement to serve as a skin agitation member; and the first outer cutter and the second undercutter are arranged to be driven at the same frequency by the drive source.

Abstract: A blade of an electric shaver is disclosed. The blade includes an interior blade detachably attached to a drive element of the electric shaver via an interior blade pushing-up means. The interior blade includes a horizontal surface, a vertical surface, and a relief surface provided between the horizontal surface and the vertical surface, and is elastically pushed upward by the interior blade pushing-up means. The blade further includes a sheet-shaped exterior blade having a plurality of blade apertures. A bottom surface of the exterior blade is elastically contacted with the horizontal surface of the interior blade by a pushing force of the interior blade pushing-up means.

Abstract: An inner cutter for an electric rotary shaver, the inner cutter comprising a cutter supporting member and an inner cutter body. The cutter supporting member has a ring-form body formed in a shape of a flat plate and is provided with a plurality of upright supporting portions that rise from an outer-circumferential edge of the ring-form body and are lined up side by side. The inner cutter body is formed on the tip end of each one of the upright supporting portions. Gaps are formed between adjacent upright supporting portions, and ribs are provided between the adjacent upright supporting portions, thus allowing cut hair to be discharged out of the inner cutter through openings defined by the adjacent upright supporting portions and ribs.

Abstract: An electrical shaver particularly useful for wet shaving includes a manually-grippable housing, and a cutter head removably attachable thereto along the outer edge of the cutter head. The cutter head includes at least one relatively sharp scraper edge located between the outer side of at least one cutter unit and the outer edge of the cutter head, but does not extend to the inner side of the cutter unit facing an adjacent cutter unit, such that the scraper edge is pressable into the skin, forwardly of the respective cutter unit, to erect hairs in the skin and to tauten the skin in advance of the respective cutter unit, with minimal irritation of the skin, as the cutter head is moved across the skin in the direction from the outer side towards the inner side of the respective cutter unit.

Abstract: An electric shaver comprises an inner case which retains an electronic part board 5 and an outer casing which retains a plug pin board which secures a plurality of plug pins. The inner case is fabricated of a plastic integral with a bottom wall. The electronic part board is disposed above the lower separating wall while the plug pin board is disposed under the lower separating wall. Metal pins penetrating the lower separating wall connects the electronic part board and the plug pin board. The bottom opening of the outer casing is closed with a bottom cover. The bottom cover has a pair of through holes through which extend outwardly a pair of plug pins.

Abstract: A razor for shaving hair from the skin of a user includes a rotating blade assembly connected so as to be rotated by a drive mechanism. The blade assembly includes a generally cylindrical roller rotatably mounted along its longitudinal axis, at least one blade mounted on, and extending along a major part of, the roller, and a guide element associated with each blade. The blade and the guide element are configured to form a safety blade such that, when the blade assembly rotates in direct contact with the skin, the at least one blade shaves hair from the skin without cutting the skin. Preferably, the razor includes two similar blade assemblies rotated by the drive mechanism in opposing directions so as to apply stretching tension to the skin of the user. Also described are a number of safety blade configurations relevant to both manual and power driven exposed-blade razors.

Abstract: The electric haircutting machine includes an electrical drive motor, cutting blades driven by the drive motor, a device (22) for oiling the cutting blades and a device (20) for detecting an oil deficiency of the oil lubricating the cutting blades. The device (22) for oiling the cutting blades is connected with and responsive to the device (20) for detecting the oil deficiency, whereby the device for oiling the cutting blades is automatically activated to oil the cutting blades when the oil deficiency is detected. The device for detecting the oil deficiency detects whether or not motor current consumption, cutting blade vibration noise, haircutting machine sound level, cutting blade temperature, force acting on one of the cutting blades or drive motor rotation speed exceeds a corresponding predetermined threshold or not in order to establish the presence or absence of the oil deficiency.

Abstract: A motor for providing reciprocating motion comprises a stator defining an arcuate pole face and a flat pole face and an armature defining a complimentary arcuate pole face and flat pole face, where the armature rotates about a pivot point in order to maintain a fixed air gap between the arcuate pole faces of the stator and the armature and a variable air gap between the flat pole faces of the stator and the armature.

Abstract: Disclosed herein is a razor assembly comprising a power unit including a rotatable output shaft, and a detachable head assembly adapted to receive a common disposable razor blade and comprising a hollow base received on the power unit in stationary relation thereto, and a rotatable member mounted in the hollow base for rotation relative to the base, in driven engagement with the output shaft so as to rotate in response to rotation of the output shaft, and including an eccentric weight rotating in common with the member and operable, in response to rotation of the member, to vibrate the detachable head assembly.

Abstract: The invention is directed to a method and a circuit arrangement for determining the quantity of the material cut by an electrically powered cutting tool. According to the present invention, the fluctuations of the current consumed by a drive motor are detected, filtered and evaluated. By a comparison with a reference value, it is possible to determine the soiling of the cutting tool with cut residues. The invention is particularly suitable for use in shaving apparatus.

Abstract: The method for detecting an oil deficiency of oil lubricating a driven cutting blade of a haircutting machine includes measuring either drive motor current consumption, cutting blade vibration noise, haircutting machine sound level, cutting blade temperature, a force acting on one of the cutting blades or drive motor rotation speed and determining whether or not the oil deficiency has occurred from a change of the chosen measured variable from a standard value occurring during normal operation without the oil deficiency. The electrical haircutting machine includes an electric drive motor, cutting blades driven by the drive motor and a device (20) for detecting the oil deficiency which advantageously includes a device for measuring one of the above-mentioned measurement variables and also a comparator for comparing the measured variable with a predetermined temperature-dependent threshold value to determine whether the oil deficiency has occurred or not.

Abstract: A detachable oscillating unit is provided which converts a conventional wet shave razor, such as a disposable razor, into an oscillating wet shave razor. The oscillating unit includes a body forming a hollow interior cavity and a pair of attachment members which are fixed to the body for removably attaching the body to the handle of the razor. The attachment members form a longitudinal channel which receives the handle therein and the handle is resiliently clamped or gripped therebetween. The oscillating unit also includes an electric motor mounted within the hollow interior cavity which has a rotatable shaft extending therefrom, an eccentric weight connected to the shaft and disposed within the hollow cavity, and a battery operatively connected to the motor. The motor rotates the eccentric weight to provide a vibration signal which is transmitted from the motor, through the body and the attachment members, to the handle of the razor where it is transmitted to a cutting blade.

Abstract: A middle cutter of a shaver includes a comb, comb mounts, a cutter, a cutter mount, a pair of spring plates, and a pair of steel balls for holding the cutter mount in a floating manner. The comb has an upper surface that includes a plurality of isolated openings. Each comb mount includes a retaining groove that retains the spring plates. The cutter, which includes a plurality of cutting grooves, is arranged in tight contact with an inner surface of the comb, such that the cutting grooves act with the comb openings to providing the shaving action. The steel balls are movably received on the spring plates such that upper portions of the steel balls are biased against the cutter mount by the spring plates so that the cutter mount is held in a balanced manner and maintains tight contact between the cutter and the comb.

Abstract: An electric shaver including an electric motor and a shaving head, driven by the electric motor, for cutting hair to be shaved, the shaving head including: at least one cutting blade having a cutting edge; at least one cutting plate defining a generally flat surface, which the cutting edge engages upon cutting through a strand of hair.

Abstract: An oscillating blade razor for removing hair projecting from skin is described. At least one cutting blade is mounted to a shuttle which is nested within a cartridge such that the shuttle is free to move in a longitudinal oscillating motion relative to the cartridge. The cartridge is removably affixed to the head of the razor in which is disposed a cantilever type bimorph piezoelectric motor, the proximal end of which is fixedly mounted in the head such that the distal end engages the shuttle and drives it in a reciprocating, oscillatory motion when the cartridge is engaged with the head and power applied. The head further incorporates the mechanism for engaging the cartridge. In one preferred embodiment, the cartridge incorporates electrical contact means for sensing the end travel of the oscillating shuttle. The head is disposed on the distal end of a handle which contains a battery, an on/off switch, and the electronic means for driving the distal end of the piezoelectric motor in an oscillatory motion.

Abstract: An electric razor is provided with a switch clasp on the surface of the main case which can slide up and down to three detents, and a trimmer which opens and closes by operation of the switch clasp. When the switch clasp is moved up to the first detent, power is turned on; when the switch clasp is moved up to the second detent, the trimmer is opened and activated; and when the switch clasp is moved up to the third detent, the trimmer is maintained in the open state but is powered down for cleaning.

Abstract: A detachable oscillating unit is provided which converts a conventional wet shave razor, such as a disposable razor, into an oscillating wet shave razor. The oscillating unit includes a body forming a hollow interior cavity and a pair of attachment members which are fixed to the body for removably attaching the body to the handle of the razor. The attachment members form a longitudinal channel which receives the handle therein and the handle is resiliently clamped or gripped therebetween. The oscillating unit also includes an electric motor mounted within the hollow interior cavity which has a rotatable shaft extending therefrom, an eccentric weight connected to the shaft and disposed within the hollow cavity, and a battery operatively connected to the motor. The motor rotates the eccentric weight to provide a vibration signal which is transmitted from the motor, through the body and the attachment members, to the handle of the razor where it is transmitted to a cutting blade.

Abstract: An electric shaver according to the present invention is provided with an inner blade vibrating table connected to a motor for vibrating inner blades, and a balance weight capable of being vibrated in the direction parallel with the direction of vibration of the inner blade vibrating table. The balance weight is connected to the motor through a reverse vibrating mechanism which is vibrated in the direction reverse to the direction of vibration of the inner blade vibrating table. The motor vibrates, through the vibrating mechanism and the reverse vibrating mechanism, the inner blade vibrating table and the balance weight in the reverse directions with respect to each other, and thereby the vibration of the electric shaver can be reduced by the balance weight.

Abstract: The invention is directed to a dry shaving apparatus with at least one short-hair cutter disposed on a housing and an actuating switch for turning an electric drive mechanism on and off as well as for adjusting a switch slide provided with a long-hair trimmer by means of a transmission device, wherein the transmission device is comprised of two pivotally mounted transmission elements, the first transmission element is pivotally mounted on the actuating switch and acted upon by a spring element, the second transmission element which is provided with notches and a control cam is pivotally mounted on the housing, is coupled to the switch slide through a control element engaging the control cam as well as a spring element, and is actuatable by the first transmission element through a detent element.

Abstract: An oscillating wet shave razor with a battery powered motor rotating an eccentric element within the head portion of the razor handle to generate an oscillating vibration signal which is transmitted to the razor blade cartridge to desensitize the facial nerves from the discomforts of shaving. The vibration which is transmitted to the cartridge is partially damped in the direction perpendicular to the surface of the cartridge that engages the user's face so that the blades mounted in the cartridge tend not to chop at the whiskers of the user's beard during shaving.

Abstract: A razor is provided having a handle, at the front end of which a razor blade unit is disposed on a razor head, whereby disposed in a housing of the handle is a motor-driven vibration mechanism that imparts a vibration movement to the razor head together with the razor blade unit. The construction of the vibration mechanism is such that the razor blade unit executes a controlled, directed vibration movement while nearly completely avoiding vibration of the handle.

Abstract: A power on/off circuit with a lock function includes a momentary type main switch connected to ground, a two-circuit two-contact lock switch coupled to, a switching state holding circuit, a load and a power supply. One of the switching circuits in the lock switch is connected between the main switch and the input terminal (CK) of the switching state holding circuit. The other switching circuit in the lock switch is connected between the main switch and the reset terminal (CLR) of the switching state holding circuit. The switching state of the main switch is held by the switching state holding circuit, and the state is maintained unless a reset signal is applied to the switching state holding circuit. The lock switch only functions to generate the reset signal so that the lock switch does not cut off the supply of current to the load as in a conventional shaver.

Abstract: The apparatus comprises a chilling implement and a shaving implement. The chilling implement comprises a body with a roller at each end and containing a supply of shaving gel which is dispensed onto one of the rollers. The shaving implement comprises a drive unit and a plurality of cutting edges arranged in a flat plane when at rest. The edges can be deflected out of the plane linearly and perpendicularly to the plane or rockably about axes parallel to the plane and perpendicular to the cutting edges. The apparatus is spring loaded to return the edges to the plane. In refined embodiments the assemblies holding the cutting edges are pivotally attached to allow each assembly to also rock on an axis parallel to the cutting edges and the cutting edge assemblies are springably interconnected so that the plane of the cutting edges can be flat or twisted in either direction about an axis parallel to the plane. The shaving implement also comprises a roller with its axis parallel to the at-rest cutting edges.

Abstract: A shaving device has a handle with an inner chamber for accommodating a shaving cream, a head connected with the handle and having a passage for supplying the shaving cream and massaging and vibration elements, brushes on the head for distributing the shaving cream discharged from the head over the skin of the user, and a shaving element on the head for shaving after the application of the shaving cream and container for refreshing and disinfection.

Abstract: An electric shaver is provided with a shaving part for short hair and a trimmer for long hair which can be moved relative to the shaving part, one wall of the shaver having a first control element which is coupled to an ON/OFF switching device for a drive mechanism, and another wall of the shaver having a second control element for movement of the trimmer. The shaver is provided with a third control element which is situated near the second control element, and which is also coupled to an ON/OFF switch for the drive mechanism.

Abstract: An improved hand-held motor-driven oscillating razor for wet shaving provides a substantially vibration-free gripping during the shaving. The razor comprises a grip housing adapted to be gripped by the hand of a user and a shaver head movably supported on top of the grip housing. The shaver head carries a razor blade element and includes a weight which is driven by a motor to impart oscillatory movement to the shaver head. The motor is mounted within the shaver head together with the weight so as to confine an oscillatory system within the shaver head. A damper member is utilized to singly support the shaver head to the grip housing in order to made the shaver head movable with respect to the grip housing such that the grip housing can be isolated substantially from the oscillatory system in the shaver head, permitting the shaver head to oscillate substantially indpendently of the grip housing, thereby minimizing a counter-vibration transmitted back to the grip housing from the shaver head.

Abstract: A hand-held razor of the wet-shave type includes a thin flexible foil member with a plurality of apertures, each of which has opposed sharpened shaving edge portions. A displacing mechanism cyclically displaces the foil along a predetermined path such that the velocity of the opposed edge portions caused by the mechanism is substantially greater than the speed of motion caused by normal shaving stroke manipulation. The amplitude of each displacement cycle is greater than the width of a beard hair and less than the distance between the oppoosed edge portions.

Abstract: An electric shaving apparatus comprising a housing having a compartment for an electric power source, which compartment is closed by a cover, the housing sections being secured to each other by a snapped connection between two interengaging connection elements, at least one of the connection elements being elastically deflexible to establish or release the snapped connection. The cover comprises a projection which in the closed position of the cover blocks a movement of at least one of the connection elements.

Abstract: A vibrating razor having a shaver head adapted to receive a cartridge. The shaver head is pivotally attached to a housing containing a power source and an electric motor having a rotatable shaft. The shaver head is directly and eccentrically coupled to the rotatable shaft with an eccentric coupler for imparting oscillatory movement to the cartridge.

Abstract: The invention is directed to a dry shaving apparatus with a short-hair cutter, a manually operated first switch slide slidably arranged on the housing for turning on and off the associated second switch slide carrying a long-hair trimmer which is adapted to be moved from a position of rest into an operating position lying in the area of the short-hair cutter by means of the second switch slide as well as two interengageable gear arrangements and which in the operating position is coupled to the drive of the dry shaving apparatus.

Abstract: An electric shaver having a handle, and a shaver head having a cutting blade, which is movably carried on the handle. A battery and electric motor are mounted in the handle. A drive member on the motor provides reciprocating movement to a pivotally mounted weight member in the shaver head. The arrangement is such that the weight member reciprocates back and forth at a high rate of speed and inparts reciprocatory, simple harmonic motion to the cutting blade carried by the shaver head. The cutting action is characterized by minimal movement in any direction except essentially linearly, substantially parallel to the blade. Improved shearing action of the hairs is realized, together with minimum tendency for pulling or tearing of the skin. Undesirable irritation, and the development of "nicks" are thereby significantly reduced.