Abstract: A reciprocating-type electric shaver including an outer cutter having an inverted U shape as seen from a side thereof and an inner cutter making a reciprocating motion while making sliding contact with an inside surface of outer cutter, and further including: an oscillator making a reciprocating motion by a motor installed inside the main body of the shaver; a central shaft provided in an upright position on the oscillator and rises toward the inside of the outer cutter; an inner cutter holder disposed in a slidable manner on the central shaft so that the inner cutter holder holds the inner cutter thereon and the inner cutter swings about a straight line that is perpendicular to the reciprocating direction of the inner cutter; and a spring compressedly installed between the oscillator and the inner cutter holder.

Abstract: A method for manufacturing an inner cutter for a reciprocating electric shaver, including the steps of: press-stamping a thin metal plate to obtain a thin metal plate element that has an outer contour of an unfolded inner cutter and elongated openings that extend substantially perpendicular to the direction of the reciprocating motion the inner cutter makes and further has bridging-portions formed between the elongated openings; pressing the bridging-portions so that each bridging-portion has a final sectional shape of each cutter blade of the inner cutter; twisting the bridging-portions so that the cutter surfaces of the cutter blades are aligned substantially to the surface of the thin metal plate element; forming the thin metal plate element into substantially an arch shape with the cutter surface sides of the cutter blades facing outward; and executing finishing-work on the outer circumferential surface of the arch-shaped thin metal plate element.

Abstract: A rotary electric shaver including an outer cutter frame mounted on a shaver main body housing a motor therein, outer cutters held in an outer cutter mounting hole formed in this outer cutter frame the upper surfaces thereof providing skin contacting surfaces, and inner cutters that rotate while being pressed against the inner surfaces of the outer cutters and have cutter bodies for cutting hair entering hair introduction openings formed in the outer cutters; wherein the outer cutters are provided tiltable relative to the outer cutter frame, and the outer cutter frame is tiltable relative to the shaver main body.

Abstract: Disclosed herein is a head-moving razor including a movable head part. The head-moving razor comprises a head cover having fitting parts and engaging parts, a double cutting blade disposed below the head cover and having insertion grooves, a supporting member having insertion bars, which are inserted into the insertion grooves, respectively, a moving member having engaging grooves, in which the engaging parts are engaged, respectively, the moving member also having through-holes and a bottom hole, a fixing member having protrusions, through-holes, and a bottom hole formed such that the moving member can be angularly moved back and forth about rotating pins, a vibrating member including a pair of vibrators while vibrating pins are attached to the vibrators, respectively, the vibrating member having inserting protrusions, and a drive motor having insertion holes, into which the inserting protrusions of the vibrating member are inserted, and rotors fitted on a motor shaft.

Abstract: An inner cutter of an electric shaver that cuts hairs by sliding along an inner surface of an outer cutter includes a base portion that is connected to a driving unit, a plurality of cutting pieces that are formed in a U-shape and whose both ends in the longitudinal direction are fixed to the base portion, and a plate member whose one end is fixed to the base portion and the other end is connected to the cutting piece. The plate member is elastically deformed corresponding to elastic deformation of the cutting piece.

Abstract: A shaving apparatus has shaving heads (3) each having an internal cutting member (6) and an associated external cutting member (4); and a drive structure (1) coupled to each of the internal cutting members (6). The external cutting members (4) are each rotatable about an axis of rotation (15) between different shaving positions. The shaving face of each head includes a first shaving field (7) for cutting short hair and a second shaving field (8) for cutting long hair. The shaving fields (7, 8) extend through different segment of the shaving face. For effecting rotation of the external cutting members (4) between the shaving positions, a control member (11) is arranged between the shaving heads (3) and engages the external cutting members (4) of the shaving heads (3) for simultaneously controlling the rotation of the external cutting members (4) of the shaving heads (3).

Abstract: A method for manufacturing an inner cutter for a reciprocating electric shaver, including the steps of: press-stamping a thin metal plate to obtain a thin metal plate element that has an outer contour of an unfolded inner cutter and elongated openings that extend substantially perpendicular to the direction of the reciprocating motion the inner cutter makes and further has bridging-portions formed between the elongated openings; pressing the bridging-portions so that each bridging-portion has a final sectional shape of each cutter blade of the inner cutter; twisting the bridging-portions so that the cutter surfaces of the cutter blades are aligned substantially to the surface of the thin metal plate element; forming the thin metal plate element into substantially an arch shape with the cutter surface sides of the cutter blades facing outward; and executing finishing-work on the outer circumferential surface of the arch-shaped thin metal plate element.

Abstract: An electric rotary shaver including: a locking member (50) having a plurality of arms (54) outwardly extending from the center, a cutter retaining plate (38) that engages with outer circumferential rims of outer cutters (24) and rotatably holds inner cutters (32), guide pins (56) provided on the tip ends of the arms (54) and slidably pass through the cutter retaining plate (38), permanent magnets (62) fastened to the cutter frame (20) and attach the guide pins (56) by magnetic attraction in a detachable manner, compression coil springs (64) mounted on the guide pins (56) and provided in a compressed state between the arms (54) and the cutter retaining plate (38), and anchoring elements (66, 68) which prevents a locking member (50) from being separated from the cutter retaining plate (38) by more than a predetermined gap.

Abstract: In a cutting blade assembly for an electric foil shaver, a first cutting blade of the assembly has a generally planar first face, a generally planar second face opposite the first face, and a peripheral cutting edge. The first cutting blade has at least one bump disposed on its first face. A second cutting blade of the assembly has a generally planar first face, a generally planar second face opposite the first face, and a peripheral cutting edge. The first and second cutting blades are arranged in generally parallel relationship with each other with the first face of the first cutting blade facing either the first face or the second face of the second cutting blade. The bump on the first face of the first cutting blade keeps the first and second cutting blades otherwise separated during a coating process in which the faces of the cutting blades are coated.

Abstract: An electric rotary shaver including a substantially circular disk form outer cutter, which has hair entry openings, and an inner cutter, which rotates while making sliding contact with the inner surface of the outer cutter; and the inner cutter including an inner cutter base, which is made of a synthetic resin and comprised of a boss that engages with a rotary shaft of the shaver and cutter blade supports that extend radially outward from the boss, and a plurality of cutter blade sections, which have a cutter blade and are installed on the cutter blade supports. The cutter blade sections can be formed in a shape of a ring to make a cutter blade ring so that the cutter blade ring is disposed on the cutter blade supports.

Abstract: An electric shaver including first and second oscillators that convert rotational driving, which is supplied from a driving motor via joint portions that are connected to each other in a plurality of locations in the height direction of the shaver, into reciprocating driving that is oriented in mutually opposite directions and transmit this reciprocating driving to cutter units. The first and second oscillators are connected to first and second eccentric pins which are installed in upright at positions where phases are substantially opposite above and below the eccentric joint portions.

Abstract: An electric shaver is provided which can enhance the vibration sound by increasing the length of arch-like edges formed between adjacent slots of the inner blade. In the electric shaver, an inner blade having the arch-like edges is moved reciprocally while its outer face contacts with and slides over an inner face of an outer blade to cut beard. The inner blade has an arch-like plate member, as a main body of the inner blade, and it has slots extending from a side wall through a top curved portion to the other side wall, to form arch-like edges between adjacent slots, and the inner blade is connected through a joint to a driver of the main body to be moved reciprocally. Mounting members for the joint are provided at two ends of the inner blade in the longitudinal direction, and the lower ends of the edges at the central portion of the inner blade are set lower than the lower ends of the beads formed above the mounting members of the inner blade.

Abstract: A method of shaving with a shaving apparatus including an undercutter assembly having a primary undercutter and a secondary undercutter, the primary and secondary undercutters having interleaved blade elements. The method includes the steps of: reciprocally moving the undercutter assembly in hair shearing relation with an outer cutter; moving the primary undercutter relative to the secondary undercutter; trapping hairs which are to be cut between interleaved blade elements of the primary and secondary undercutters; pulling the trapped hairs by continued movement of the undercutter assembly in a respective reciprocation direction; and cutting the hairs between the outer cutter and the undercutter assembly.

Abstract: The invention is directed to a shaving foil for a shaving system of a shaving apparatus, in which the shaving foil cooperates with an undercutter adapted to be driven relative to the shaving foil. The shaving foil includes a perforate region comprised of a plurality of hair-receiving apertures, wherein said apertures form a quasi-periodic pattern executed in accordance with a Penrose parquet.

Abstract: An undercutter assembly for a shaver of the dry-type having an outer cutter and a motor drive mechanism. The undercutter includes a primary undercutter adapted to be reciprocated by the drive mechanism and having primary blade elements, and a secondary undercutter disposed within said primary undercutter for displacement relative the primary undercutter and having secondary blade elements interleaved with the primary blade elements.

Abstract: A rotary type electric shaver including an outer cutter and an inner cutter which is rotationally driven while making sliding contact with the interior surface of the outer cutter, wherein and the gap between the outer circumferential side surface of the outer cutter and the rotating side surface of the inner cutter varies in circumferential positions of the outer cutter, so that the gap between the outer circumferential side surface of the outer cutter and the rotating side surface of the inner cutter varies from wide portion to narrow portion.

Abstract: The present invention relates to the shaver capable of cutting deeply, provided with the outer blade having a plurality of the hair-guiding ports and the inner blade being adjacently located to the inner part of the outer blade and relatively moving against the said inner part, serving like an electric shaver of rotation or motion, which consists in going back and forth adjacently, wherein there is provided an escaping gap for taking hairs out in one part between the outer and inner blades, thus hooking the hairs guided into the gap, on the tip of the inner blade or pinching them inside the escaping gap and afterward, taking out the hairs and beards from the root of hairs and when the hairs move to the region without any escaping gap, they will be cut in the deep location.

Abstract: A dry shaver has a cradle head carrying shaving units as well as a motor for driving the shaving units. The cradle head is supported to a hand grip such that it is allowed to tilt about at least one tilt axis parallel to a thickness direction of the hand grip. At least one portion of the motor projects upwardly of the tilt axis, whereby the cradle head is given overall mass center which is located upwardly of the tilt axis with respect to the height axis of the hand grip. Accordingly, the motor of heavy nature can be best utilized to locate the overall mass center of the cradle head above the tilt axis for generating a torque acting to tilt the cradle head from a neutral position about the tilt axis when the hand grip is held upright.

Abstract: An electric rotary or reciprocating shaver including an inner cutter unit, with which inner cutter blades that make a sliding contact with the blade surface of an outer cutter, being provided with recesses that is filled with a synthetic resin. The outer cutter of an outer cutter unit that is used in combination with such an inner cutter unit can be formed also with a recess in the outside surface of the outer cutter with such an outside recess filled with a synthetic resin.

Abstract: A device for the simultaneous removal and replacement of a plurality of sharp cutting elements in a rotary electric shaver without touching them or transposing their respective pinion positions.

Abstract: An electric shaver including an outer cutter, which has a ring-shaped shaving surface that contacts the skin and an outer cutter surface that is formed on its inside surface, and an inner cutter, which has an inner cutter surface that makes sliding contact with the outer cutter surface, the outer and inner cutters being tiltably disposed with respect to a cutter frame disposed on a head portion of the shaver main body; wherein the inner cutter surface has a convex shape, the outer cutter surface has a concave shape that receives therein the convex inner cutter surface, and the convex inner cutter surface of the inner cutter is engaged with the concave outer cutter surface, thus preventing axial deviation of the inner cutter during the rotation.

Abstract: The invention is directed to a shaving head for a hair cutting apparatus, with at least one outer cutter and at least one under cutter associated therewith and having cutting edges, said cutters being movable relative to one another by a drive mechanism, with the outer cutter having an engagement surface comprised of bars and slots, which slots are open at least towards one of two lateral boundary lines of the engagement surface, said boundary lines defining the width of the engagement, wherein the bars are shaped in a meandering, sinusoidal or serpentine configuration extending to and from between the two opposite lateral boundary lines of the engagement surface.

Abstract: An inner cutter unit, which is used in an electric rotary shaver, including an inner cutter base, which is connected to the axle of the motor of the shaver and rotated, and an inner cutter body, which is disposed on the inner cutter base. The inner cutter body is formed with an inside circumferential cutter body having a plurality of cutter blades and an outside circumferential cutter body also having a plurality cutter blades; and the inner and outside circumferential cutter bodies in an upright posture are obtained by way of cutting out annular metal walls that are concentrically formed in an upright posture with a bridging section in between.

Abstract: An inner cutter for a dry shaver has a plurality of blades 30 supported on a base 20 and is driven in hair-shearing engagement with an outer cutter 10 for cutting the hairs. The blades 30 are arranged in parallel with each other and are each provided on opposite sides at its top with cutting edges 32. The cutting edge 32 is defined between the top face of the blade and a rake fade 33 on the underside of the blade. The rake face 33 is inclined with respect to the top face at an angle of ? (°), while the cutting edge is rounded at its tip to have a curvature radius R (?m) which satisfies a relation that R??0.067·?+4.7. With this result, the cutting resistance for cutting the hair can be lowered below a load necessary for bending the hair. Thus, the blade of the inner cutter can itself cut the hair without bending the hair, giving a flat cutting plane finish and enabling a close shave only with a fewer shaving strokes.

Abstract: A shaving apparatus includes an outer cutter (60), for example in the form of a perforated foil, and an undercutter assembly (10), adjacent to the outer cutter, which is drivable for linear reciprocation in a reciprocation direction. The undercutter assembly has a driven primary undercutter (20) and a secondary undercutter (30), which is moveable with respect thereto, the blade elements of the primary and secondary undercutters being mutually interleaved. When the primary undercutter (20) is reciprocated relative the outer cutter (60), the secondary undercutter (30) also performs a reciprocating movement, which lags behind that of the primary undercutter, so the blade elements of the primary and second undercutters move towards one another at intervals and can trap hairs therebetween, causing them to be pulled in addition to the cutting action and thus achieving a closer shave.

Abstract: A shaving apparatus with an external cutting member (4) and an internal cutting member which can be driven into rotation relative to the external member. The external cutting member (4) has an annular region (8) with hair-trapping apertures (5) and a skin support region (9) in a central area surrounded by the annular region. To improve the shaving performance, the skin support area is provided with ridges 10.

Abstract: An electric shaving device is disclosed comprising a shaving assembly which comprises at least a first shaving blade and at least a second shaving blade at a position parallel to said first shaving blade; and a gear arrangement comprising a motor gear, a first gear supported underneath the first shaving blade to rotatably engage with said motor gear, a driving gear coaxially mounted to the first gear, and a second gear supported underneath the second shaving blade to rotatably engage with the driving gear, wherein when the motor gear is driven to rotate, the first and second gears are driven to rotate in opposite direction, such that the first and second shaving blades are synchronically rotated in a bidirectional manner for improving the shaving efficiency.

Abstract: The present invention relates to the shaver capable of cutting deeply, provided with the outer blade having a plurality of the hair-guiding ports and the inner blade being adjacently located to the inner part of the outer blade and relatively moving against the said inner part, serving like an electric shaver of rotation or motion, which consists in going back and forth adjacently, wherein there is provided an escaping gap for taking hairs out in one part between the outer and inner blades, thus hooking the hairs guided into the gap, on the tip of the inner blade or pinching them inside the escaping gap and afterward, taking out the hairs and beards from the root of hairs and when the hairs move to the region without any escaping gap, they will be cut in the deep location.

Abstract: Disposable razors are known. Unfortunately, “wet-shaving” is required with these razors which can be an inconvenience if the appropriate facilities are not readily available. Dry shaving would be ideal but dry shavers are not designed to be cheap enough to be disposable. The problem of providing a razor that could be used for wet or dry shaving that is cheap enough to throw away after a few uses is solved by the provision of a power operated razor 1 comprising a head 2 incorporating one or more cutter containing shaver heads 11, a body 3, a power supply 4 operatively connected to the or each cutter and an actuator 8 to actuate the razor 1, their arrangement being such that there is no normal means of access to the interior of the razor 1. This alleviates the problem because access to the working parts to replace them is denied.

Abstract: An outer cutter formed with hair introduction slits and attached to an electric shaver in a substantially inverted U-shape, in which recessed portions, in which the shaving surface side of the outer cutter is recessed, are provided adjacent to one or both end portions of the slits, so that the end portions of the slits are formed as hair introduction openings that introduce hair.

Abstract: An electric rotary shaver comprising: a cutter frame having a plurality of outer cutter holes, outer cutters disposed in outer cutter holes so as to be tiltable in any direction, and inner cutters rotatably disposed inside the outer cutters and connected to inner cutter drive shafts that are rotationally driven and urged in a direction that causes the inner cutter drive shafts to protrude outward; wherein a cutter retaining plate is provided inside the cutter frame so as to be on a main body side of the electric shaver, and fulcrum plates are tiltably shaft-supported in the cutter retaining plate so as to be positionally correspond to the outer cutter holes; and the outer cutters are shaft-supported in the fulcrum plates via supporting members in a direction that is perpendicular to the direction in which the fulcrum plates are shaft-supported by the cutter retaining plate, thus being tiltable.

Abstract: An improved shearing blade module of an electric clipper comprises an upper blade and a lower blade; the lower blade is fixed, and the upper blade is comprised of a swaying member capable of swaying sideway in the housing of the electric clipper, such that the blades of the upper and lower blades define the shearing action; the lower blade has a metallic main body, and a hard vacuum coated film is disposed on the surface of said main body; said upper blade has a main body with both volume and area smaller than those of the lower blade, and said main body is made of ceramics. Combining the excellent properties of the ceramic material and the hard multiplayer film, the blade module enhances the heat resistance, wear resistance, and sharpness of the blade sections of the upper and lower blades.

Abstract: A reciprocating type electric shaver that includes an outer cutter, an inner cutter which has a plurality of cutter blades that make sliding contact with the inside surface of the outer cutter, and a driving mechanism which causes the inner cutter to make a reciprocating motion in the direction of length of the outer cutter; wherein the outer cutter is formed in a concave or inwardly curved shape so that the central portion in the lengthwise direction of the outer cutter is raised. The shaver can have two outer cutters side by side so that one of the outer cutters has the inwardly curved shape, and the other has a convex or outwardly curved shape or a rectilinear shape.

Abstract: The invention is directed to a shaving foil for a shaving system of a shaving apparatus, in which the shaving foil cooperates with an undercutter adapted to be driven relative to the shaving foil. The shaving foil includes a perforate region comprised of a plurality of hair-receiving apertures, wherein said apertures form a quasi-periodic pattern executed in accordance with a Penrose parquet.

Abstract: An electric shaver including a cutter frame; an outer cutter disposed inside the cutter frame and is composed of a shaving surface having hair introduction openings, a side wall formed in continuous to the shaving surface, and corner slits formed in the side wall so as to communicate with the hair introduction openings; and an inner cutter having a plurality of inner cutter bodies that make sliding contact with an inside surface of the shaving surface of the outer cutter; wherein the electric shaver is provided with an upright member which is disposed between the side wall and side end surfaces of the inner cutter bodies that face the side wall and is disposed upright in a direction perpendicular to the shaving surface of the outer cutter. The tip end portion of upright member can protrude further toward the shaving surface than the end portions of the corner slits.

Abstract: A reciprocating type electric shaver including an outer cutter, an inner cutter in which a plurality of cutter blades that make sliding contact with the inside surface of the outer cutter are disposed on a cutter blade supporting body in a straight row in the direction of length of the outer cutter, and a driving mechanism that causes the inner cutter to make a reciprocating motion in the direction of length of the outer cutter; wherein the outer cutter is formed so as to deform into a curved shape such as a convex shape that protrudes outward or a concave shape that protrudes inward, and the cutter blade supporting body is formed so as to bend into a curved shape in conformity with the outer cutter.

Abstract: A rotary type electric shaver including an outer cutter and an inner cutter which is rotationally driven while making sliding contact with the interior surface of the outer cutter, wherein and the gap between the outer circumferential side surface of the outer cutter and the rotating side surface of the inner cutter varies in circumferential positions of the outer cutter, so that the gap between the outer circumferential side surface of the outer cutter and the rotating side surface of the inner cutter varies from wide portion to narrow portion.

Abstract: The present invention relates to the shaver capable of cutting deeply, provided with the outer blade having a plurality of the hair-guiding ports and the inner blade being adjacently located to the inner part of the outer blade and relatively moving against the said inner part, serving like an electric shaver of rotation or motion, which consists in going back and forth adjacently, wherein there is provided an escaping gap for taking hairs out in one part between the outer and inner blades, thus hooking the hairs guided into the gap, on the tip of the inner blade or pinching them inside the escaping gap and afterward, taking out the hairs and beards from the root of hairs and when the hairs move to the region without any escaping gap, they will be cut in the deep location.

Abstract: An inner cutter for a dry shaver has a plurality of blades 30 supported on a base 20 and is driven in hair-shearing engagement with an outer cutter 10 for cutting the hairs. The blades 30 are arranged in parallel with each other and are each provided on opposite sides at its top with cutting edges 32. The cutting edge 32 is defined between the top face of the blade and a rake fade 33 on the underside of the blade. The rake face 33 is inclined with respect to the top face at an angle of &agr; (°), while the cutting edge is rounded at its tip to have a curvature radius R (&mgr;m) which satisfies a relation that R≧−0.067·&agr;+4.7. With this result, the cutting resistance for cutting the hair can be lowered below a load necessary for bending the hair. Thus, the blade of the inner cutter can itself cut the hair without bending the hair, giving a flat cutting plane finish and enabling a close shave only with a fewer shaving strokes.

Abstract: The present invention provides a cutting unit which comprises a circular cutter chassis having a coupling aperture provided at the center thereof, a plurality of cutting members evenly distributed along the circumference of the cutter chassis each of which comprises a pedestal disposed at the circumference of the cutter chassis having a first inclined plane extended upward from the cutter chassis and a second inclined plane extended outward from the cutter chassis, and a cutter connected to the first inclined plane and being perpendicular to the first inclined, and having an inner blade element and an outer blade element relative to the center of the cutter chassis. The top surfaces of the inner blade element and the outer blade element are in a square-shape and positioned on a same plane. The cutting unit of the invention is of a better elasticity and the efficiency than that in the prior art, and difficult to be damaged.

Abstract: An electric shaver including an outer cutter, which has a ring-shaped shaving surface that contacts the skin and an outer cutter surface that is formed on its inside surface, and an inner cutter, which has an inner cutter surface that makes sliding contact with the outer cutter surface, the outer and inner cutters being tiltably disposed with respect to a cutter frame disposed on a head portion of the shaver main body; wherein the inner cutter surface has a convex shape, the outer cutter surface has a concave shape that receives therein the convex inner cutter surface, and the convex inner cutter surface of the inner cutter is engaged with the concave outer cutter surface, thus preventing axial deviation of the inner cutter during the rotation.

Abstract: A single rotary blade grooming trimmer for sculpting and trimming eyebrows in an attractive arched shape. The single rotary blade grooming trimmer includes a housing with a generally L-shaped configuration having upper and lower ends, and upper and lower portions. The upper end of the housing has a rotatable shaft extending therethrough. A plurality of rotary cutting blades outwardly radiate from the rotatable shaft adjacent an outer end of the rotatable shaft. A motor for rotating the rotatably shaft is disposed the housing. A protective cover substantially covers the cutting blades. The protective cover has a plurality of spaced apart radial slots therethrough with each radial slot comprising a pair of elongate portions preferably of equal lengths. A first of the elongate portions of each slot is located on an outer face of the protective cover and a second of the elongate portions of each radial slot is located on a perimeter side wall of the protective cover.

Abstract: An electric shaver comprising a main body case which contains an electric motor, and a cutter head section which contains an outer cutter and an inner cutter and is attached to an upper portion of the main body case, in which the shaver further includes a supporting member that has a supporting plate body and leg portions and is provided on an upper portion of the main body case via the leg portions that has elasticity and disposed on both ends of the supporting plate body, and the cutter head section is provided on the supporting plate body.

Abstract: An outer cutter of a reciprocating type electric shaver in which an inner cutter makes sliding contact with an inside surface of a curved portion of the outer cutter, the curved portion being formed by bending a thin metal plate, which has numerous hair entry apertures, into a curved shape; and the curved portion being provided at both ends thereof with blocking portions that cover both ends of a space defined by the curved portion so as to prevent cut hair from being discharged to outside of the outer cutter, the blocking portions being formed integral with the curved portion.

Abstract: An electric rotary shaver including a cutter retaining plate equipped with cutter units each having an inner cutter and an outer cutter and detachably attached to an outer cutter frame of the shaver, and the shaver further including an attachment-detachment mechanism for mounting the cutter retaining plate to the outer cutter frame in a detachable fashion. The attachment-detachment mechanism includes a triangular boss and an engagement projection. The triangular boss is formed on the outer cutter frame and has engagement openings opened in its side surfaces, and the engagement projection is formed on a mounting knob held in cutter retaining plate. By turning the mounting knob with its engagement projection inserted in the boss and thus letting the engagement projection be engaged with the engagement opening, the cutter retaining plate is mounted to the outer cutter frame of the shaver in a detachable fashion.

Abstract: A rapid-action dry shaver having a shaving head adapted to sweep over a broad skin path on the face of the individual being shaved to shear the facial hairs on the path. The head includes a trio of rectangular reciprocating shaver assemblies forming the legs of an equilateral triangle, the face of each assembly making contact with a corresponding area of the facial skin whereby the aggregate skin area engaged by the head is relatively large and facial hairs are intercepted by the head regardless of the direction taken by the sweep to quickly shear substantially all of the hairs in the path.

Abstract: A shaving apparatus (1) with an upper cutter (11) which has at least one hole configuration (17, 18, 19) for co-operation with a lower cutter, and with information indicia (16) which are formed by characteristics (20, 21, 22) which are associated with a respective hole configuration (17, 18, 19) and provide information on the function of the hole configuration (17, 18, 19) concerned, is structured such that the characteristic (20, 21, 22) associated with a hole configuration (17, 18, 19) is provided directly in the area of the hole configuration (17, 18, 19) and hence on the upper cutter (11) with the hole configuration (17, 18, 19).

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 unit, which is used in an electric rotary shaver, including an inner cutter base, which is connected to the axle of the motor of the shaver and rotated, and an inner cutter body, which is disposed on the inner cutter base. The inner cutter body is formed with an inside circumferential cutter body having a plurality of cutter blades and an outside circumferential cutter body also having a plurality cutter blades; and the inner and outside circumferential cutter bodies in an upright posture are obtained by way of cutting out annular metal walls that are concentrically formed in an upright posture with a bridging section in between.

Abstract: An electric rotary or reciprocating shaver including an inner cutter unit, with which inner cutter blades that make a sliding contact with the blade surface of an outer cutter, being provided with recesses that is filled with a synthetic resin. The outer cutter of an outer cutter unit that is used in combination with such an inner cutter unit can be formed also with a recess in the outside surface of the outer cutter with such an outside recess filled with a synthetic resin.