Abstract: In a reciprocation type electric shaver having an outside blade unit detachable from a main body, the outside blade unit comprises a main blade, a slit blade and an outside blade holder for holding the main blade and the slit blade capable of floating up and down. A coupling structure for coupling the slit blade on the outside blade holder has a retaining structure for engaging the slit blade and the outside blade holder in a lateral direction of the outside blade unit so as to prevent disengagement of the slit blade from the outside blade holder when the slit blade is floated up and down with inclination. The retaining structure is a pair of fitting recesses formed on the slit blade and a pair of fitting protrusions formed on the outside blade holder.

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: A reciprocating electric shaver (1) is provided. This reciprocating electric shaver (1) includes a main body block (8) and a head block (10), the head block (10) having four rotary connecting portions (32) at the front and the rear positions on the upper left and the upper right ends, the main body block (8) having four head support members (37), each of which can move up and down independently, and head floating springs (44) biasing upward each of the head support members (37) for floating, each of the head support members (37) of the main body block (8) being connected at the upper ends with each of the four rotary connecting portions (32) in a manner such that the head block (10) can rotate back and forth about the transverse direction of the shaver, thus allowing the head block (10) to rock back and forth relative to the main body block (8).

Abstract: A reciprocatory dry shaver capable of driving an inner cutter smoothly along an arcuately curved outer cutter for efficient shaving. The dry shaver includes a shaving head carrying an outer cutter which is arcuately curved along its length, and an inner cutter driven to reciprocate along the length of the outer cutter. An actuator is mounted in the shaving head for driving the inner cutter. The actuator includes an oscillator which reciprocates in the lengthwise direction of the outer cutter and carries a joint for driving connection to the inner cutter. Also included in the actuator is a resilient coupling link which supports the oscillator to the shaving head in order to allow the oscillator to reciprocate relative to the shaving head. The resilient coupling link has its one end coupled to the oscillator and the other end anchored to the shaving head at a portion away from the inner cutter than the oscillator.

Abstract: A dry shaver includes a hand grip and a shaving head supported to the grip. The shaving head carries a foil cutter unit composed of an outer foil and an inner cutter driven to move relative to the outer foil in hair shearing engagement therewith. The outer foil is elongated to have a length and a width, and is arcuately curved along its length. The shaving head is movably supported to the grip so as to be tiltable about a transverse axis parallel to the width of the outer foil. Thus, when the shaving head is pressed against the skin as being inclined, the shaving head is allowed to tilt in a direction of reducing a contact pressure which would otherwise be greater at one longitudinal end than at the other longitudinal end. Therefore, the shaving head can be free from undue dragging at either of the longitudinal ends of the outer foil to be thereby guided smoothly across the skin surface for efficient and comfortable shaving.

Abstract: A shaving head for a dry shaver is capable of increasing the cutting efficiency, yet allowing the use of the inner cutter of simple structure. The shaving head has a slit cutter unit composed of an outer cutter shaped to have a top surface for contact with a user's skin, and an inner cutter in contact with a bottom surface of the outer cutter. The outer cutter has a U-shaped structure with a pair of legs connected by a crossbar, and to have a plurality of slits which are spaced in a lengthwise axis of the outer cutter to leave a plurality of bridges each between the adjacent ones of the slits. The slits extend continuously over a full width of the crossbar and into upper ends of the legs in a direction generally perpendicular to the lengthwise axis, giving two straight slit paths respectively on opposite width ends of the outer cutter. The straight slit paths on the opposite width ends are staggered with respect to each other along the lengthwise axis.

Abstract: A dry shaver with a swingable shaving head which is capable of following a user's skin smoothly while keeping an optimum pressing relation with the skin. The shaver includes a grip and a shaving head mounted on top of the grip. The shaving head has a cutting face on its top and has a pair of support points through which the shaving head is supported to the grip. A linkage mechanism is provided to couple the shaving head to the grip for allowing the shaving head to swing relative to the grip. The linkage mechanism includes a pair of cranks each connected at its one end to each one of the support points and connected at the other end to each one of the anchor points on the side of the grip. A frame projects on top of the grip in an overlapping relation with the shaving head to give the anchor points which are positioned upwardly of the support points with respect to a height axis of the grip for suspending the shaving head on top of the grip by the frame.

Abstract: A water and dust-proof electric shaver head support structure that provides a wide range of movement to the floating shaver head to closely follow the contours of the skin. The floating shaver head, which contains the motor and shaving blades, freely pivots in the lateral plane and telescopically floats in relation to the shaver grip. A box-like space is formed in the shaver grip below the lower surface of the shaver head, and front and rear support walls extend upward from the shaver grip to support the shaver head in the forward/rearward direction.

Abstract: A reciprocating electric shaver (1) is provided. This reciprocating electric shaver (1) includes a main body block (8) and a head block (10), the head block (10) having four rotary connecting portions (32) at the front and the rear positions on the upper left and the upper right ends, the main body block (8) having four head support members (37), each of which can move up and down independently, and head floating springs (44) biasing upward each of the head support members (37) for floating, each of the head support members (37) of the main body block (8) being connected at the upper ends with each of the four rotary connecting portions (32) in a manner such that the head block (10) can rotate back and forth about the transverse direction of the shaver, thus allowing the head block (10) to rock back and forth relative to the main body block (8).

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 swivel about at least one swivel axis parallel to a thickness direction of the hand grip. At least one portion of the motor projects upwardly of the swivel axis, whereby the cradle head is given overall mass center which is located upwardly of the swivel 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 swivel axis for generating a torque acting to swivel the cradle head from a neutral position about the swivel axis when the hand grip is held upright.

Abstract: A water and dust-proof electric shaver head support structure that provides a wide range of movement to the floating shaver head to closely follow the contours of the skin. The floating shaver head, which contains the motor and shaving blades, freely pivots in the lateral plane and telescopically floats in relation to the shaver grip. A box-like space is formed in the shaver grip below the lower surface of the shaver head, and front and rear support walls extend upward from the shaver grip to support the shaver head in the forward/rearward direction.

Abstract: A dry shaver is capable of being depressed equally at different positions but with differing contact pressures between outer and inner cutters. The shaver has a housing having a motor and inner and outer cutters at its upper end. The inner cutter is driven by the motor to move in shearing engagement with the outer cutter for shaving hairs. The inner cutter is urged upwardly by a bias spring to develop a contact pressure against the outer cutter. The outer cutter is carried by a cutter holder movably supported to a head frame mounted on top of the housing. The shaver has a height adjust mechanism for adjusting the height of the head frame relative to the housing between a high position and a low position while compressing the spring differently to vary the contact pressure, and for allowing the cutter holder to be depressed relative to the head frame from each of the height and low positions.

Abstract: The invention relates to a reciprocating type electric shaver comprising blade heads including a slit blade, a slit inner blade, web blades, a web outer blade, a slit outer blade, a web inner blade for cutting the beard introduced from perforations of said web outer blade with said web outer blade, said web inner blade being slidable connected to the inner surface of said web outer blade and reciprocating, wherein said slit outer blade has on the planar upper surface having slits therein, a flat portion substantially parallel to the axis where the peaks of the adjacent web blades are aligned in a line, said slit inner blade being slidable inside the flat portion, said slit outer blade having a blade edge projecting outward at the web blade side beyond the side walls of said slit outer blade, with said blade edge located at side edges along the reciprocating direction of said slit inner blade on the flat portion, and the blade edge is formed on the upper surface with a tapered face successive to the flat porti

Abstract: A reciprocating electric shaver including a main body, plural blade cassettes and a retainer. Each of the plural blade cassettes includes an outer blade and an outer blade frame to which the outer blade is attached. The outer blade frame has engaging members at end portions in a longitudinal direction substantially perpendicular to an arranging direction of the plural blade cassettes. The plural blade cassettes are attached to the main body via the retainer. The retainer has a pair of end walls substantially parallel to the arranging direction. Each of the pair of end walls has slits extending along a floating direction substantially perpendicular to the longitudinal direction and to the arranging direction.

Abstract: A vehicle seat temperature conditioner includes a Peltier element, a heat exchanger for performing a heat exchange between heat generated or absorbed by the Peltier element and air transferred from a blower, and a case housing the Peltier element and heat exchanger together so as to provide the temperature conditioner as an independent self-contained unit or module. The housing case is made of a resilient and flexible material and functions also as a connector for coupling with an air intake pipe to introduce air from a blower into the vehicle seat temperature conditioner and with an air discharge pipe to discharge temperature-conditioned air from the temperature conditioner to air holes formed in the vehicle seat.

Abstract: A vibratory linear actuator employs a reciprocating type motor for reciprocatingly driving several movable components at the same frequency and in opposite phase relations with each other. Both movable components are mechanically connected so as to transmit vibration from one to the other by reversing the direction of the vibration thereof. By this arrangement, the opposite phase relation between both movable components is mechanically insured. As a result, since the opposite phase relation between movable components can be maintained even when an external disturbance is applied thereto, the whole vibration system is stable against external disturbances.

Abstract: A reciprocatory dry shaver has a head from mounting three elongated cutter heads, one center cutter head and two outer cutter heads extending in parallel with each other. Each cutter head comprises a holder carrying a stationary cutter and a movable cutter driven to reciprocate in shearing engagement with the stationary cutter. The head frame is mounted on a shaver housing from which a reciprocating element projects to drive the movable cutter of each cutter head. The center and outer cutter heads are floatingly supported at individual longitudinal ends by associated center and outer spring members so that each cutter head is vertically movable relative to the head frame. The center spring members are formed in one of the head frame and the associated holder while the outer spring members are formed in the other of the head frame and the associated holders.

Abstract: A reciprocatory dry shaver has a head from mounting three elongated cutter heads, one center cutter head and two outer cutter heads extending in parallel with each other. Each cutter head comprises a holder carrying a stationary cutter and a movable cutter driven to reciprocate in shearing engagement with the stationary cutter. The head frame is mounted on a shaver housing from which a reciprocating element projects to drive the movable cutter of each cutter head. The center and outer cutter heads are floatingly supported at individual longitudinal ends by associated center and outer spring members so that each cutter head is vertically movable relative to the head frame. The center spring members are formed in one of the head frame and the associated holder while the outer spring members are formed in the other of the head frame and the associated holders.

Abstract: A dry shaver comprises a head frame mounting at least one cutter head. The cutter head includes a holder carrying an outer foil and an inner cutter which is driven to move in shearing contact with the outer foil. A spring is provided to give a biasing force to bias the inner cutter against the outer foil so as to develop a contacting pressure therebetween. The shaver includes a floating support structure for floatingly supporting the holder to the head frame so that the cutter head can be depressed relative to the head frame. The floating support structure comprises an elastic member which gives an elastic force when the cutter head is displaced relative to the head frame such that cutter head receives a floating force which is a combination of the biasing force and the elastic force and which becomes greater as the cutter head is depressed further.

Abstract: A reciprocatory dry shaver has a head for mounting three elongated cutter heads, one center cutter head and two outer cutter heads extending in parallel with each other. Each cutter head comprises a holder carrying a stationary cutter and a movable cutter driven to reciprocate in shearing engagement with the stationary cutter. The head frame is mounted on a shaver housing from which a reciprocating element projects to drive the movable cutter of each cutter head. The center and outer cutter heads are floatingly supported at individual longitudinal ends by associated center and outer spring members so that each cutter head is vertically movable relative to the head frame. The center spring members are formed in one of either the head frame or the associated holder while the outer spring members are formed in the other of the head frame and the associated holders.