Abstract: An air discharge structure for a vacuum cleaner comprises an exhaust grill through which air is exhausted from a vacuum motor chamber mounted in a vacuum cleaner body; an exhaust grill cover formed in a position corresponding to cover the exhaust grill, and to close the exhaust grill when the vacuum cleaner is not in operation, and to open the exhaust grill as a result of the force generated by back pressure of the exhaust air discharged from the exhaust grill when the vacuum cleaner is in operation; and a resilient member formed in a seating hole which is located in proximity of the exhaust grill, to return the exhaust grill cover to the closed position when the vacuum cleaner stops operation.

Abstract: A suction device (2) for a hand-held power tool and which is releasably connected with the power tool, includes a suction blower wheel (20) for producing a suction air stream in a suction path (S) and located in the device housing (10). a rolling bearing (28) for supporting the suction blower wheel (20) in the device housing (10), a blower shaft (26) for driving the suction blower wheel (20), and a drive coupling (38) for rotatably frictionally connecting the blower shaft (26) with the drive shaft (42) of the hand-held power tool (4) in a connected condition of the drive shaft (42) with the blower shaft (26).

Abstract: A vertically adjustable hinge is disclosed. The hinge comprises a wing having an internally threaded knuckle, the knuckle having a knuckle slot and a stop surface disposed along the knuckle slot, an adjustment screw threaded into the threaded knuckle, the adjustment screw having a stop tab positioned to travel along the knuckle slot as the adjustment screw travels in the threaded knuckle, wherein the stop tab engages the stop surface to prevent further travel of the adjustment screw in the threaded knuckle and a leaf having a post dimensioned for insertion in the knuckle and into engagement with the adjustment screw, wherein the position of the leaf relative to the wing is determined by the position of the adjustment screw relative to the knuckle.

Abstract: A horizontally adjustable hinge is disclosed. The hinge comprises a base member having a slot and a channel generally perpendicular to the slot, an adjustment nut disposed in the channel, the adjustment nut having a generally circumferential recess and a threaded axial bore, the adjustment nut being rotationally fixed within the channel, a screw threadably engaged in the threaded axial bore and axially fixed relative to the base member and a leaf for insertion into the slot. The leaf has a slot dimensioned to receive the circumferential recess, wherein rotation of the screw moves the adjustment nut axially in the channel, thereby moving the leaf in the slot.

Abstract: The present invention provides a grounding bushing assembly essentially comprising a first bushing section, a second bushing section, select pivot structure, select latch structure, and select ground conductor attachment structure. The first bushing section, second bushing section, select pivot structure, select latch structure, and select ground conductor attachment structure are all preferably constructed from electrically conductive materials for allowing electric charges to migrate through the material. The first and second sections each comprise an arc length intermediate the section ends, which are lengths together function to cooperatively form an annular, dual-sectioned, grounding bushing. The resulting grounding bushing comprises an inner annular surface, an outer annular surface, a conductor inlet end, a conductor outlet end, and unique ground conductor attachment structure.

Abstract: A hinge assembly includes a body drive member (10) having an outer screw thread (12) on an outer periphery thereof, a cover drive member (20) having a first end surface (28) formed one end thereof, a follower (30) having a second end surface (34) formed on one end thereof, and an elastic element (40) abutting the follower. The cover drive member has an inner screw thread (26) formed in a cavity (22) of the cover drive member. The follower has a central hole (32). The body drive member extends through the cover drive member, the follower and the elastic element, thereby integrating the hinge assembly into a complete unit. The outer screw thread of the body drive member engages with the inner screw thread of the cover drive member, and the first end surface of the cover drive member engaging with the second end surface of the body drive member.

Abstract: A hinge assembly includes a body drive member (1) having an outer screw thread (14), a cover drive member (2), and a locating member (3). The cover drive member has a hole (212), and an inner screw thread (215) therein. Two arms (223) extend from opposite edges of the cover drive member, and a bent portion (227) is formed at a distal end of each arm. The locating member has a projection (32) on an outer periphery thereof, and defines a hole. The body drive member extends through the hole of the cover drive member and the hole of the locating member, thereby integrating the hinge assembly into a complete unit, with the outer screw thread engaging with the inner screw thread, and the bent portion abutting the projection. The hinge assembly exerts reduced force on a foldable electronic device when the foldable electronic device is opened or closed.

Abstract: A hinge assembly includes a central shaft (20), including an outer screw thread (221); a turning element (30), including a central hole (322) and a holding pin (314), an inner screw thread (323) formed at an inner surface of the central hole; a elastic means (40); a blocking element (50), defining a first through hole (51) and a second through hole (52); and a button (71), including a supporting pin (72). The central shaft extends through the central hole of the turning element, the first elastic element, and the first through hole of the blocking element in that order, the outer screw thread engages with the inner screw thread, and the holding pin of the turning element is received in the second through hole of the blocking element. The present invention enables a foldable electronic device to be opened simply by pressing the button.

Abstract: An articulated hinge is provided which is capable of supporting a panel member and permitting the panel member to be moved away from an opening and at the same time permit the panel member to be rotated approximately 90 degrees. The hinge has a scissor arm mechanism which provides for smooth opening and closing of the hinge thereby eliminating a possible sticking of the hinge during opening.

Abstract: Disclosed herein is a door hinge structure for a refrigerator.

Abstract: A door hook including a U-shaped bracket having a top member and a front side and back side attached to the top member. The front and back sides are separated by a first distance, which corresponds generally to the thickness of a door over which the door hook is to be placed. A hook is attached to the front side, while a spacer portion is attached to the back side or top. A frangible joint is formed in the back side or top such that the spacer portion can be detached and then reattached to the back side. With the spacer portion in this reattached position the spacer portion and the front side are separated by a second distance, different from and typically less than the first-distance. The second distance corresponds generally to the thickness of a thinner or thicker door, over which the door hook may be placed after removal or removal and reattachment of the spacer.

Abstract: For use with a shirt and tie combination, provided is a strap comprising an elongated body, and two scorelines defining a space therebetween, wherein the elongated body is foldable along the scorelines. Also provided are two lock-tabs and two lock-slots. The two lock-tabs are able to engage the two lock-slots when the elongated body is folded, and thus two lock-joints are formed. A channel is defined by the elongated body between the two lock-joints, the channel being sized for the placement of the tie. Also provided is a method for securing a tie to a folded shirt. The tie is attached to the neck area of the shirt. The tie is positioned along the buttons of the shirt. A strapping device is wrapped around the shirt. The tie is inserted into the strapping device. The tie and the shirt are secured free of a surrounding bag.

Abstract: A clamping method and apparatus including two halves of a clamp mated at a first end. The two halves are pivotally connected at a second end. The present invention is configured to permit the device to be repeatedly used without extended wear.

Abstract: A button, provided with the means that allow it to be attached to the article of clothing by manual pressure, avoiding the use of thread, distinguished by being made up of two parts, a main part (1) with a fixed head (2) on top which matches the buttonhole of the article of clothing, followed by a flexible neck (3) which permits the union of the head (2) to the pressure stop (4). This pressure stop (4) allows the fastening of the main part (1) to the article of clothing (5) also, the said main part has a shank (6) which sticks out of the bottom center of the pressure stop (4), and permits the perforation of the cloth, to later connect and set both parts with a backstop (9).

Abstract: The present invention relates an improved slider zipper assembly with a diaphragm for flexible packages comprising: zipper profile consisting of male element and a female element, said profile having flaps on single side, said male element having at least a pair of notches, which could be coupled to corresponding notches on female elements, a slider to close said zipper profile, and a diaphragm of at least one film sealed between said flaps to seal and make the package tamper proof and act as a barrier wherein the improvement resides in the diaphragm having a score line effected using means for scribing for making it easier and more convenient for the user to tear open and access the contents of the package.

Abstract: The clasp for jewelry includes a body, a pin insertable into the body, a stopper engaging to the pin having been inserted into the body to keep the pin engaged to the body, and a releaser releasing the pin from the body. When pulled or slid, the releaser releases the pin from the body.

Abstract: The invention concerns a method for producing a complex nonwoven fabric which consists in continuously producing a complex wherein a first web of a cellulosic fibres is continuously sandwiched between two webs of spunbonded filaments, and which consists in: producing a first web of spunbonded filaments, the bundle of extruded and drawn filaments being received on a mobile conveyor belt in the form of a non-bonded lap; depositing on said web by airlaid process a second web of cellulosic fibres; depositing on the textile web a second web of non-bonded continuous filaments; transferring the resulting complex onto an installation for water-jet bonding and hydro-entanglement consolidation; and in drying the nonwoven mixed product and then recuperating it, for example in the form of a cloth wind-up.

Abstract: The present invention is directed to methods of making a sound absorbing secondary carpet backing, and more particularly, to a method of manufacturing a nonwoven fabric exhibiting a durable three-dimensional image, permitting use of the fabric in secondary carpet backing systems so as to reduce deformation under normal use (walking), increase absorption of sound, and improve the amount of coverage provided to the secondary carpet backing system applications.

Abstract: A louver retainer for bundling blind slats to be trimmed by a cutdown machine and a method of bundling blind slats to be trimmed by a cutdown machine are disclosed. The slats in the louver retainer are sufficiently loose such that their edges can be lined up for trimming.

Abstract: A device for milling and/or lathing workpieces including at least one machine bed, on which there is at least one tool holder and one workpiece spindle as part of a workpiece holder with an axis of rotation, whereby the tool holder has at least one tool drive with an axis of oscillation running parallel to the axis of rotation, whereby the workpiece holder and the tool holder can travel relative to each other in the direction of an axis of translation that runs at a right angle to the axis of oscillation. The workpiece holder has a linear drive that can travel in the direction of the axis of translation.

Abstract: A pillow top mattress is made by first folding a mattress core border strip lengthwise to form at least one integral pillow top border, cutting diamond-shaped notches out of the folded edge, and sewing the free edges of the notches together to form mitered corners. The strip is cut to length, and after its ends are joined together to form a band, it is pulled over the mattress core. The border strip is then secured to the core material, and pillow top insulation is added before a pillow top panel is sewn to the free edge of the border strip.

Abstract: An excavator includes an undercarriage including a track, a turret rotatable on the undercarriage, the turret including a chassis, a first operative arm set, a second operative arm set, an adapter body coupling the first operative arm set to the second operative arm set; and a work tool coupled to the distal end of the second distal arm. The first operative arm set comprises (i) a main arm rotatably mounted on the chassis, (ii) a first distal arm rotatably mounted on the main arm, (iii) a main hydraulic actuator coupled to the main arm and the chassis and (iv) a first distal hydraulic actuator, with the main hydraulic actuator being operable to rotate the main arm relative to the chassis and the first distal hydraulic actuator being coupled to the distal arm.

Abstract: A device for installing muntin bars into a frame of a window including a device for accurately positioning the muntin bars within the frame and also for providing an accurate junction between the bars and the frame. The device includes a mounting frame that is inclined with respect to the vertical plane, tie-bars movably supported by the mounting frame for fixing and machining spacer frames of different sizes together with respective muntin bars and an apparatus for arranging and fixing muntin bars within the spacer frame. A method is proposed by which a terminal plug is fixed within one end of a muntin bar. The plug is fixed by screws, clamps or similar type fasteners that are positioned in a program controlled manner using a screwing apparatus or a shooting device that is movably supported relative to the spacer frame.

Abstract: The method includes the steps of determining a number of gear teeth for each gear and pinion that, in combination, would produce desired gear ratios. Current gearset parameters including distances and angles relating the positions of the gears and pinions are determined. For a predetermined angular rotation of a selected gear or pinion, and using the current gearset parameters, an error is determined representing a difference in phases of a tooth on the selected gear or pinion into its mesh cycle. A first phase is determined along a first portion of a drive path of meshing gears and pinions, and a second phase is determined along a second portion of the drive path distinct from the first portion. One or more of the current gearset parameters are repetitively changed to determine a set of correspond optimal gearset parameters, for which the error is equal to or less than an acceptable error. Then a gearset having the optimal gearset parameters is produced.

Abstract: A method for producing a gearset according to this invention includes the steps of producing a first member having a first surface, and a second surface axially spaced from the first surface. On the first surface and second surface a first set of pairs of axially aligned, angularly spaced holes are formed. A short pinion shaft, supporting a short pinion, is placed in each of the pairs of holes of the first set. A second set of axial, angularly spaced holes is formed on the first surface. A long pinion shaft is placed in each hole of the second set and a long pinion is placed on each long pinion shaft. A second member having a third set of holes, each hole aligned with a hole of the second set, is formed. The second is placed the such that each long pinion shaft fits in a hole of the second set. Then the first and second members are mutually secured.

Abstract: A shrinking arrangement for a tool holder is provided which retains a rotary tool with a press fit in a central accommodation opening. The arrangement includes an induction-heating arrangement for thermally expanding the tool holder in the region of the accommodating opening. The induction-heating arrangement includes an induction-coil unit which is guided on a vertical guide column such that it can be displaced with its coil axis vertical and which is connected, in particular via a flexible cable, to an induction-current generator which is fixed in relation to the column, and in that arranged on the induction-coil unit is a contact switch which can be actuated manually and by means of which the supply of induction current to the induction-coil unit can be switched on and off in a freely selectable manner at least for a limited period of time.

Abstract: A basket assembly fixture is useful in the construction of a basket assembly for interring spent nuclear fuel rods. The basket assembly fixture has an elongate base and a pair of lifting beams disposed above the base. Lifting beam raising means are provided at both ends of the base to raise the pair of lifting beams. A transverse beam is provided below the two lifting beams and above the base. Transverse beam raising means are provided for raising the transverse beam.

Abstract: Upset forging is utilized to join formed wire (40) to metal tubing (20). The ends (41) of formed wires (40) are passed completely across the width of the tube and heating electrodes (74) positioned only on the side of the tubing (20) from which the ends protrude and only the protruding ends (41) are heated to a plastic state. Back plates (30) are employed about the ends (41) to facilitate the upset forging process. An improved ISOFIX support is provided wherein a wire (40) is mounted across the width of a tube (20) and a bracket (30) placed over the wire (40) in contact with the tube (20) and these components are held together by upset forging the wire ends (41).

Abstract: In one embodiment, an apparatus for shaping an article may comprise a plurality of movable dies arranged to form a chamber whose size may be varied by moving the dies. Each of the dies may have a contacting surface for contacting the article to be shaped. The chamber may have a first portion having a first cross-section and a second portion having a second cross-section. Either portion may include a taper. The first portion may have a differently shaped cross-section than the second portion. The first portion may have a cross-section of greater area than the second portion. The longitudinal axis of the first portion may be offset from the longitudinal axis of the second portion.

Abstract: Disclosed are an electric pole manufacturing apparatus having an improved distal end, capable of reducing the cost, arranging tensile cores corresponding to a design load, and providing a high quality electric pole, and a method of manufacturing the electric pole.

Abstract: In a transport system (1) for flow line production, especially in the car manufacturing industry, workpieces (2) are movable along at least two first guides (3, 4) between working stations (5) in transportation direction (6). At least one working station (5) is configured as a screwing and/or assembling means (7) which particularly comprises a plurality of working tools (8). To improve such a transport system in a way that with little constructional efforts and at reduced costs the assignment of working station and workpiece to be worked thereby is simplified and made possible in an accurate and reproducible manner, the screwing and/or assembling means (7) is integrated into the transport system (1) and is movable at least over a working path (9) in parallel with the first guides (3, 4) in the transport system.

Abstract: A stator assembly for an electric motor includes a stator housing, an expandable flux ring inserted into the stator housing and a plurality of magnets on an inner surface of the flux ring. Overmold material is molded around the magnets in the flux ring, such as by injection molding. The pressure of the overmold material as it is being molded expands the flux ring pressing the flux ring into engagement with the stator housing. The overmold material secures the magnets to the flux ring and the flux ring to the housing. One of the flux ring and stator housing has a dimple that engages a hole in the other of the flux ring and stator housing to align the flux ring and stator housing. In an aspect, the overmold material is molded to form at least one of a commutator end or rear bearing support, front bearing support and fan baffle. In an aspect, the overmold material is molded to form a keying feature. The keying feature can be slots of different widths between magnetic poles of the stator assembly.

Abstract: A lamination ceramic chip inductor includes at least one pair of insulation layers; and at least one conductive pattern which is interposed between the at least one pair of insulation layers and forming a conductive coil. At least one conductive pattern includes a conductive pattern formed as a result of electroforming.

Abstract: A track width defining layer includes: a track width defining portion having an end located in the air bearing surface and the other end located opposite to the air bearing surface; and a wide portion coupled to the other end of the track width defining portion. The track width defining layer is formed by frame plating. A frame is formed by exposing and developing a resist layer. The step of exposing the resist layer includes: a first exposure step for forming a first latent image in the resist layer; and a second exposure step for forming a second latent image in the resist layer. The first latent image is made up of a first portion corresponding to the track width defining portion and a second portion adjoining the first portion and extending along the contour of the wide portion.

Abstract: Embodiments of the invention provide a method for easily and reliably neutralizing charge in an assembly process for an actuator head suspension assembly used in a magnetic disk device. In one embodiment, a head suspension assembly includes a wire trace that includes a laminated structure of a metal layer, a first dielectric layer, a conductor layer, and a second dielectric layer. The conductor layer includes an exposed portion exposed from the second dielectric layer. The suspension assembly also includes a head/slider supported by the metal layer. An actuator assembly includes an actuator arm and a flexible printed circuit board. The exposed portion of the conductor layer is immersed in a charge neutralizing solvent. The head suspension assembly is mounted to the actuator arm. A terminal of the wire trace is connected to a terminal of the flexible printed circuit board.

Abstract: A method of manufacturing a winding includes steps of twisting U-shaped conductor segments, inserting straight portions of the twisted conductor segments in slots of a stator core, bending ends of the straight portions in a circumferential direction of the stator core and joining the ends. The method further includes a step of pressing turn portions of the U-shaped conductor segments by a turn portion twisting apparatus such that widths of the turn portions reduce in radial directions. The pressing step is performed simultaneously with the twisting step. Alternatively, the pressing step is performed after the twisting step.

Abstract: A method for manufacturing electrical components of the energy-accumulating electrostatic or electrochemical type, consisting in winding at least two layers of a film on a support made of an electrically nonconducting material that has a substantially polygonal cross-section, by providing a preset number of film turns until a predefined thickness is reached, and forming a first layer; arranging respective spacers at the corners of the polygon in which the contour of the wound film is inscribed; and winding more turns of film around the first layer and around the spacers inserted at the corners, to form a second layer. A machine by means of which the method is performed comprises a rotatingly mounted frame on which the support is fixed for winding of the layer of film.

Abstract: An apparatus for workpiece assembly is disclosed. In the illustrated embodiment, the apparatus includes a carousel which rotates between a plurality of assembly stations for assembly. Workpieces are loaded onto or unloaded from the carousel at a load/unload station and the carousel rotates to position workpieces proximate to the plurality of assembly stations. As illustrated workpieces are loaded into a plurality of assembly nests on the carousel. The plurality of assembly nests include alignment fingers rotatable with the plurality of assembly nests or carousel to align components, for example to align discs of a hydrodynamic spindle assembly for merge operations.

Abstract: Methods of manufacturing lead frame connectors for use in connecting optical sub-assemblies to printed circuit boards in optical transceiver modules. The lead frame connectors are formed by first stamping a selected configuration of conductors in a conductive ribbon. The conductors are bent as necessary and passed in a reel-to-reel manner through an insert injection molding process to form an electrically insulating casing about the conductors. After the molding process, the ribbon is singulated to obtain individual lead frame connectors. The individual conductors encased in the casing can be electrically separated by punching out a connecting conductive structure through a hole formed in the casing. The connecting conductive structure mechanically secures the conductors to each other during the molding process and, when punched out, substantially eliminate stubs that could otherwise degrade the RF performance of the lead frame connectors.

Abstract: Light emitting devices formed in an array on a first substrate are transferred to an insulating material, to form a sheet-shaped device substrate. The sheet-shaped device substrate is cut along an array direction of the light emitting devices into long-sized line-shaped device substrates. The line-shaped device substrates are arrayed on a second substrate such that the line-shaped device substrates are enlargedly spaced from each other. The line-shaped device substrates divided from the second substrate are arrayed on a third substrate such as to be enlargedly spaced from each other.

Abstract: Selective laser and induction hardening are applied to areas of a water jacketed engine cylinder liner to provide improved resistance to scuffing resulting from the rubbing contact of the walls and piston rings of an associated piston. An upper bore portion and port relief areas of the liner are fully induction hardened to improve wear resistance. The port area is then fully laser hardened to improve wear resistance. If desired, the laser hardening process may continue beyond the intake port area to the port relief areas to ensure full hardening of the port relief areas and continuous hardening between the intake ports and the port relief areas to improve wear resistance.

Abstract: A method of manufacturing a cross fin tube and a cross fin type heat exchanger including the cross fin tube obtained in accordance with the manufacturing method. A tube-expanding plug has cutout-forming protuberances which are formed on an outer circumferential surface thereof with a number of 60-160 per circumference such that the cutout-forming protuberances extend in a direction which intersects primary grooves which are previously formed on an inner circumferential surface of a heat transfer tube, and at the same time when the heat transfer tube and plate fins are fixed integrally to each other in accordance with the mechanically tube-expanding operation, secondary grooves which are cross grooves with respect to the primary grooves are formed to have a depth (d2) which is held in a range of 10-40% of a depth (d1) of the primary grooves.

Abstract: A shaving blade unit including a housing, at least one elongated blade having a cutting edge on the housing, an elongated guard on the housing in front of the blade, and an elongated cap on the housing behind the blade. The guard includes an elongated guard strip for delivering a shaving aid and elastomeric guard fins extending laterally beyond the ends of the guard strip. The guard can also include elastomeric material including a series of depressions. The cap can also include elastomeric cap fins on both sides of the cap strip extending laterally beyond the ends of the cap strip.

Abstract: A razor head which uses an ‘active’ material to vibrate each cutting blade. This active material is comprised of either a piezoelectric, electrostrictive, ceramic or ferroelectric type substrate. Each blade will be in mechanical contact with said material and vibrate at a selectable amplitude and frequency. The shaver head is electrically coupled to a housing containing a power source and an electric control module. Alternatively, the battery and the control module can be placed on the razor head itself. In addition, the electronic control module can be on the handle and the active components and battery can be on the razor head. Each of these configurations require no moving parts.

Abstract: A utility knife has a blade carrier defining a blade support surface movably mounted in a housing between retracted and extended positions. A catch is mounted on the blade carrier and is movable between a first position engagable with a blade seated on the blade carrier and substantially preventing the blade from moving relative to the blade carrier, and a second position spaced away from the blade located on the blade carrier and permitting removal of the blade from the blade carrier. An actuator is mounted on the blade carrier and is operable to move the blade carrier between the retracted and extended positions to, in turn, move a blade located on the blade carrier between retracted and extended positions, and move the catch between the first and second positions to release a blade from the blade carrier. The housing has a nose portion that defines the blade aperture and is made of a more wear-resistant material than the other portions of the housing.

Abstract: Pruning shears or corresponding cutters comprising a first elongated handle part, a first blade part arranged as an extension of the first handle part, a second blade part pivoted to the first blade part from a first pivot point, and a second elongated handle part pivoted at its first end to the second blade part from a second pivot point. The second elongated handle part is connected to the first elongated handle part with at least one shaft pivotally connected to both the first and second elongated handle parts. The first and second elongated handle parts are arranged in the open position of the shears in remain along their entire length at a distance from each other enabling the use of the shears with one hand along the entire length of the handle parts.

Abstract: A pair of scissors includes two scissor elements and a pivotal device. Each scissor element includes a countersink extending from a first side thereof through a second side thereof. The pivotal device includes a screw and a nut. The screw includes a threaded shank and an enlarged head. The nut includes a non-circular shank and an enlarged head, with a screw hole extending through the non-circular shank and the enlarged head of the nut. The nut is received in the countersink of one of the scissor elements, with the non-circular shank of the nut extending into a non-circular countersink of the other scissor element. The threaded shank of the screw is threadedly engaged with the screw hole of the nut. Thus, the contact area between the screw and the pivotable scissor elements is small.

Abstract: A cutting line for brush-cutting, edge-trimming and similar has a generally circular cross-section and, on its periphery, has a plurality of notches spaced apart by a distance of between 12 and 19 mm approximately and aligned along at least one direction parallel to an axis of the line, the length of the said notches, measured along the line, being substantially shorter than the said spacing distance. Said cutting line permits a reduction in the operating noise of vegetation cutting devices such as edge-trimmers, brush-cutters, etc.

Abstract: A culinary implement is disclosed that includes a handle, an attachment arm, and a rotatable head portion. The handle has an elongate configuration, and the attachment arm extends beyond an end of the handle. The attachment arm incorporates a first part of an attachment mechanism that is located proximal an end of the attachment arm. The head portion incorporates a second part of the attachment mechanism. The second part is joinable with the first part to secure the head portion to the attachment arm, and the second part is separable from the first part to detach the head portion from the attachment arm. When the head portion is detached, one of a plurality of alternate head portions may be secured to the attachment arm.

Abstract: A reciprocating electric shaver in which a plurality of elongated cutter blades (122) of an arch-form inner cutter (102) make a reciprocating motion while making sliding contact with an arch-form outer cutter (100) that has a hair introduction openings, so that hair introduced into the hair introduction openings is cut by the cutter blades (122), wherein the inner cutter (102) is formed by bending into an arch shape a thin plate in which a pair of side edge portions (120) that are parallel to the reciprocating direction of the inner cutter and a plurality of cutter blades (122) that are connected at both ends to the side edge portions (120) are integrally formed, and at least a part of each one of the cutter blades is bent with respect to the direction of length of the cutter blades.