Abstract: An oscillatory linear actuator includes: an output movable element which is reciprocated by a periodically varying magnetic field and performs work on an object; and a vibration absorbing movable element which is reciprocated at a phase opposite to a phase of the output movable element and reduces vibration of the oscillatory linear actuator. The vibration absorbing movable element is lighter in weight than the output movable element.

Abstract: An oscillatory linear actuator includes an electromagnet that changes a magnetic field periodically, a first movable body, a second movable body, a holder, and a coupling spring. The first movable body is disposed on one side in the first direction of the electromagnet, includes a permanent magnet, and acts on a target object. The permanent magnet reciprocates in a second direction intersecting with the first direction by the electromagnet. The second movable body is juxtaposed to the first movable body and reciprocates in the second direction. The holder holds the first and second movable bodies to provide space between the first and second movable bodies and the electromagnet and to allow the first and second movable bodies to move in the second direction. The coupling spring is disposed on one side in the first direction of the holder and couples the first movable body and the second movable body.

Abstract: Embodiments of a razor are disclosed. According to at least one embodiment, a razor includes a handle grippable by a user, a blade housing coupled to an end of the handle, the blade housing accommodating therein one or more blades, a power generation unit mounted in the handle for generating power, a drive transmission unit configured to be driven using the power generated by the power generation unit, and a swing member disposed in front of a foremost blade among the one or more blades, to swing closer to or farther away from the one or more blades according to driving of the drive transmission unit. The razor may be realized in various ways according to embodiments disclosed.

Abstract: The present invention relates to electric appliances for personal care, in particular electric shavers, comprising a magnetic linear drive unit having first and second drive components supported for linear displacement relative to each other by a spring device and adapted to magnetically interact with each other. The spring device includes at least one leaf spring having a constricted section in a central region of the leaf spring, wherein surfaces of the at least one leaf spring neighboring the constricted section are shaped convex. Such convex surfaces may have a parabolic contour.

Abstract: A linear vibrator includes a shell, a first elastic member, a second elastic member, a weight, a magnet, and a coil. The shell has a receiving space, and first and second internal surfaces. The first elastic member and the second elastic member respectively contact the first internal surface and the second internal surface. The weight is mounted between the first elastic member and the second elastic member and has a receiving chamber. The magnet is mounted in the receiving chamber. The coil is located in the receiving chamber to cover the magnet and mounted on the shell. The linear vibrator is used for amplitude control and is compensated for by a printed circuit on the shell. The linear vibrator is small size, of simple structure, and has better performance.

Abstract: An electric shaver 1 includes: outer blades 8 having blade holes 50 defined by bars; and inner blades 13 which is provided inside of the outer blades 8 and moved relative to the outer blades 8 to cut body hair 71 inserted into the blade holes 50. A first bar 43 in which a skin contact surface 43a coming into contact with skin 70 is positioned on the inner blade 13 side of a skin contact surface 45j of a hair raising bar 45 is provided adjacent to and forward of the hair raising bar 45.

Abstract: The invention relates to an electrically operated shaver with at least one upper blade attachable to a shear head frame by means of a removable frame, on the underside of which lies a linearly oscillating lower blade. The lower blade is connected via a clutch engagement with an oscillating bridge mounted on either side on the shaver by resilient arms. The oscillating bridge is also connected to the drive shaft of an electric motor via a gear mechanism, so that when the motor is running, the oscillating bridge, and thus also the lower blade, is set in linear reciprocating motion. According to the invention, the resilient arms of the oscillating bridge are arranged on the removable frame. In this way, the oscillating bridge which often wears out quickly, can also be replaced when the cutting device is replaced. This prevents malfunction and potentially high repair expenses, thus reducing costs.

Abstract: A blade guide for a hair clipper bladeset, the guide configured for slidable engagement in a transverse track of a stationary blade, and including a blade guide body having a first edge and a second edge being generally parallel to and spaced from the first edge, each of the edges having a pair of opposed free ends. At least one arched load beam connects a corresponding opposed pair of the free ends of the first and second edges for exerting a torsion-resisting biasing force between the edges.

Abstract: An electric shaver including a hand grip 10 configured to be gripped by a user's hand, and a blade head 20 provided on an upper end of the hand grip. The blade head carries at least one shaving unit 50 comprising an outer blade foil 70 and an inner blade 80 driven in a shearing engagement manner with the outer blade foil. The outer blade foil has a plurality of holes in which hairs are introduced. The outer blade foil is elongated and has a length, and is curved along a width direction to form a generally C-shaped cross section, and is curved convexly and uniformly along its length to have a longitudinal curved outline. A radius of curvature of the longitudinal curved outline is 150 mm to 350 mm.

Abstract: An electric hair trimmer generally includes a handle, a drive system, and a cutter head. The cutter head includes a stationary blade and a movable blade, and the cutter head is releasably connectable to the handle in operative connection with the drive system. The handle is configured for ejecting the cutter head.

Abstract: An electric shaver in which a blade frame part is attached to an upper portion of a body part, the blade frame part including an outer blade, an outer blade frame to fix the outer blade thereto, a holding frame to hold the outer blade frame vertically movable, and an outer peripheral frame connected to the holding frame, the upper portion including an inner blade. The holding frame is detachably attached to the outer peripheral frame from an under side thereof, and the outer peripheral frame entirely covers an outer periphery of the holding frame.

Abstract: In a battery charger for charging a built-in secondary battery of a compact electric apparatus such as an electric shaver, an erroneous detection due to incomplete mounting of the compact electric apparatus on a mounting base is prevented with a simple and inexpensive configuration. A detection structure for detecting mounting of the compact electric apparatus on the mounting base comprises a charge contact member, a common contact member and a signal contact member which are electrically connected to a positive power source line, a negative power source line and a control signal line of the compact electric apparatus, respectively. A detection contact which electrically connects the signal contact member to the common contact member when the compact electric apparatus is not mounted on the mounting base is integrally formed on the signal contact member.

Abstract: A gap between a main body grip portion and a head portion is reduced while securing a tiltable range of the head portion with respect to the main body grip portion. A hair cutting device includes the head portion provided at its upper end surface with a blade head, and the main body grip portion which supports the head portion such that the head portion can vertically float and tilt. A lower portion of the head portion is accommodated in an opened space formed in an upper portion of the main body grip portion, the head portion includes a neck portion whose lower side width in the tilting direction is wider than an upper side width, the neck portion is located at a portion of an opening formed in an upper end surface of the main body grip portion.

Abstract: A shaving unit for an electric shaver which comprises an outer cutter and an inner cutter associated to that outer cutter. The cutters are mounted so as to be movable relative to each other and adapted to be set in a relative motion by a drive mechanism. The inner cutter provides a plurality of cutting edges and abuts with its outer face on the inner face of the outer cutter. The outer cutter provides a plurality of teeth equipped with cutting edges. The outer cutter provides two comb elements which are disposed opposite one another and which extend according to the direction of the relative motion. The two comb elements are aligned with respect to one another such that the tips of the teeth of the first comb element are facing the tips of the teeth of the second comb element, the tips of the teeth spaced from one another.

Abstract: A shaving foil for an electric shaving apparatus. The shaving foil includes a perforated region with a plurality of holes which are separated from each other by bars. The perforated region is divided at least into two zones, preferably a central zone, a first edge zone, and a second edge zone. The central zone is arranged between the first edge zone and the second edge zone. The holes in the central zone have (i) an average size which is smaller than the average size of the holes in the first edge zone and in the second edge zone, (ii) a floating mean value of the size of the openings in the central zone smaller than a floating mean value of the size of the openings in the first edge zone and the second edge zone, or both (i) and (ii).

Abstract: A shaving head for an electric shaving apparatus, having an under cutter comprising at least one blade which is drivable in at least one direction of movement relative to an outer cutter. To achieve a good shaving result while at the same time protecting the skin to be best possible effect, it is proposed providing the blade with an outer boundary section which is raised in relation to the cutting edge, faces in the direction of the outer cutter and inclines upwardly from the cutting edge toward the outer cutter.

Abstract: An electric hair clipper with improved blade control structures for adjusting a scissors kit includes a combination housing provides a knob fitting portion, a pivot portion, an axial guiding slot, a motor receiving portion and a motor fixing portion. An adjusting knob provides a knob body and a pivot portion that pivots on the pivot portion of the combination housing, a turning operation portion around the adjusting knob for the finger to fiddle with and a pusher driving portion formed continuous various distance radially from the center of the pivot portion, an elastic orientation part is placed between the knob body and the combination housing. A motor unit is provided in the combination housing. A sliding pusher provides a body; a driven link portion that driven by the pusher driving portion of the adjusting knob to make the sliding pusher slide, a push head can push against the scissors kit.

Abstract: The invention provides a hair removing apparatus having a body hair treatment head removing a body hair by shaving the body hair, depilating the body hair or cutting the body hair, and a main body grip held by a hand, and in which the body hair treatment head being rotatably coupled to the main body grip in such a manner that the body hair treatment head is freely oscillated with respect to the main body grip. In this structure, the hair removing apparatus is provided with a weight applying means for applying a force opposing to a force by which the body hair treatment head is oscillated by its own weight of the body hair treatment head around a center of rotation of the body hair treatment head.

Abstract: In a shaver having provided on an upper end portion of a main body thereof a head portion comprising a razor having an outer blade and an inner blade, a front cross section of the shaver has a shape narrowed at a substantially center portion in its up and down direction, and a side cross section of the shaver has a substantially S-shape, in order to increase the contact area between the main body and the palm, to improve fit feeling, to make it hard to slip, and to finely adjust the angle of the razor against the skin without moving the wrist.

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 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: In an electric shaver including at least one electromotor arranged in a housing and a shaver head as well as an adjustably arranged long-hair cutting system or trimmer and an actuating switch (2), the actuating switch is mechanically coupled with the trimmer (5) for movement in the same direction and the trimmer (5) is displaceable from a first, resiliently mounted operating position into a second, further extended position. A part (11) of the trimmer (5) serving as a skin protecting member is entrained in the direction of displacement as far as to a stop (15) over a displacement path that is shorter than that of the trimmer (5).

Abstract: By providing a separate and independent hair trimmer or trimming assembly which is incorporated into a shaver system and is controllably movable directly into a variety of alternate positions for providing enhanced cutting of hair fibers, a substantially improved, close and comfortable shaving system is obtained which effectively cuts both short hair and long hair. By employing a single, multi-positionable, switch member which cooperates with a movement control system incorporated into a trimmer assembly, user control is provided for altering the position of the trimmer assembly for placing the trimmer assembly directly and any precisely desired orientation or location. In addition, in the preferred embodiment, the trimmer assembly incorporates a pair of specially constructed cutting elements formed thereon for providing enhanced cutting and/or trimming capabilities in a wide variety of alternate operations.

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: The invention is directed to a dry shaving apparatus with a housing in which an electric drive mechanism is provided having a drive element for the transmission of a driving motion to at least one cutting element reciprocating in directions of movement, and with at least one movably mounted shaving head formed by a shaving head frame in which at least two cooperating cutting elements are provided, wherein the electric drive mechanism is mounted for oscillation in the housing and the shaving head is adapted to be set in oscillation by the oscillatory motions of the electric drive mechanism.

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: The invention is directed to a dry shaving apparatus with a housing (1) in which an electric drive mechanism (2) is provided having a drive element (3) for the transmission of a driving motion to at least one reciprocatory cutting element (4), and with at least one shaving head (6) oscillating in a horizontal direction and formed by a shaving head frame (7, 55) in which at least two cooperating cutting elements (4, 5) are provided, wherein the electric drive mechanism (2) is mounted for oscillation in the housing (1) and is adapted to be set in oscillation by the inner forces necessarily occurring in operation of the dry shaving apparatus, and wherein the oscillatory motions of the electric drive mechanism (2) are transmitted to the shaving head (6) in order to set said shaving head in oscillation as well.

Abstract: The invention is directed to an electrically operable shaving apparatus (1) including at least one short-hair cutter (3) and a long-hair trimmer unit (2) disposed on a housing, with at least one cutting edge formed by cutting teeth of an outer cutter and an inner cutter, in which a component (4), which acts as a guard protecting the skin, is associated with the cutting edge in at least one operating position, said component (4) ceasing to act as a guard protecting the skin in at least one further operating position, wherein said component (4) is displaceable in conjunction with the long-hair trimmer unit (2) into at least one operating position in which said component (4) acts as a guard protecting the skin, and wherein on displacement into a further operating position the long-hair trimmer unit (2) is released by relative opposing movements of the long-hair trimmer unit (2) and the component (4).

Abstract: Dry shaving apparatus comprises a first individual shaving unit (111) having at least two first cutters cooperating together, including a first outer cutter and a first undercutter; at least a second individual shaving unit (112, 113) having at least two second cutters cooperating together including a second outer cutter and a second undercutter; biasing element for the cooperation of the cutters; and at least one drive source coupled with at least one cutter of each individual shaving unit. All cutters of at least the first (111) of the individual shaving units are coupled to the drive source to be driven for cutting and skin agitating purposes and the outer cutter of at least a further one (112, 113) of the individual shaving units is inactive.