Abstract: A fixing device for attaching and detaching a dust receptacle to and from a cyclone unit, which comprises a cyclone body and the dust receptacle and mounted in a mounting portion of a cleaner body. The fixing device comprises a dust receptacle comprising a sliding groove formed with a predetermined depth and height extended backward from a center of a bottom side of the dust receptacle that is opposite to a bottom side of the mounting portion. A guide member is disposed in the sliding groove for guiding attachment and detachment of the dust receptacle. An operation lever with a cam part having a cam projection for insertion into the cam guider, is rotated and counter-rotated to thereby move the guide member upward and downward at a height according to an eccentricity of the cam part.

Abstract: A vacuum cleaning tool has a housing having a turbine chamber and a bottom plate. A working tool is rotatably supported in the housing. An air turbine for driving the working tool is arranged in the turbine chamber and has axial end faces defining a gap relative to the chamber sidewalls. A turbine chamber wall has a first intake window and at least one second intake window. The first intake window supplies a driving suction air stream to the peripheral turbine surface on a first side of a plane that extends through the turbine axis. The second intake window supplies a partial suction air stream to the turbine chamber that enters the turbine chamber on a second side of the plane extending through the turbine axis. The second intake window overlaps at least partially at least one gap and the partial suction air stream flows into the gap.

Abstract: A locking device for an extension pipe of a vacuum cleaner, which requires a reduced number of parts and simple assembling, includes a holder having a first and a second connection parts formed at both ends, and a locking hole in correspondence to a fixing hole formed in the extension pipe, the first and the second connection parts being connected to the operation handle and the extension pipe, respectively, and the locking hole being formed at a side of the second connection part, a cap connected to an outer surface of the second connection part of the holder, and comprising an elastic locking member integrally formed therein and elastically biased toward the locking direction, the elastic locking member having a hook protruded from the inside of the holder through the locking hole into the second connection part to thereby lock the extension pipe, and an unlocking lever pivotally disposed on the outer surface of the holder to be pivoted on an axis, and comprising an operation end being connected with a free

Abstract: An auxiliary cleaning tool of a vacuum cleaner convenient to maintain and capable of being easily switched to a cleaning mode by simple manipulation. The auxiliary cleaning tool comprises a cleaning tool body and pivoting means. The cleaning tool body is disposed on a manipulation handle of the vacuum cleaner to be moved between a cleaning mode in which the cleaning tool body advances and a standby mode in which the cleaning body retreats. The cleaning tool body has a pair of cleaning tool members which are formed by symmetrically cutting a portion of the cleaning tool body of a cylinder shape along a longitudinal direction to define wedge-shaped recesses, each recess being gradually narrowed from one side to the other side of the cleaning tool body. The cleaning tool members are connected to each other by hinge pins and pivot about the hinge pins to open and close. The pivoting means is for switching the cleaning tool body between the cleaning mode and the standby mode.

Abstract: This invention relates to a two-piece grommet adapted for holding a cable in an aperture, such as in a desk or work surface so as to absorb any strain imposed on the cable and to provide an attractive covering for the hole drilled to pass the cable. The grommet consists of two portions. The first portion comprises a cylindrical sleeve having a circular lip. The second portion comprises a cap having an extended flange and adapted to frictionally fit into the cylindrical sleeve and against the lip. The cap has an aperture cut into it through which the cable passes. A pivotal tab is connected under the cap to close the aperture when no cable passes therethrough.

Abstract: A furniture glide is provided for mounting on the terminal end of a furniture leg having an outer surface. The furniture glide includes a base having a generally arcuate lower surface for engaging a supporting surface. A sleeve extends from the base and defines a cavity for receiving the furniture leg therein. The sleeve includes a leg engagement element for engaging the furniture leg received within the cavity and for retaining the furniture glide thereon.

Abstract: An insert-and-play caster assembly comprises mainly a base frame and a caster for assisting transporting loads. The base frame can be easily inserted and fixed to the downward surface of a load, and thereby one or more such insert-and-play casters are attached to a load so as to facilitate delivering the load. One section of the base frame is an insertion section composed of a number of staggered insertion plates; being inserted into a seam of a load, such as a packing box, the insertion section provides a firm attachment to the load, and then the caster underneath the base frame becomes capable of assisting transporting loads, leading to the benefits of simple applicability and effort saving.

Abstract: A device adapted to be comfortably grasped in the hand of the user to hold the plastic handles of grocery bags.

Abstract: A pivotal shaft assembly includes a stationary part, a movable part, an joint part, a relay part, a connection part and an extension part. Once the stationary part and the movable part are fixedly attached to an open end of a stationary object and the inner side of a movable object respectively, the extension stem stretches to an extreme length during the relay part and the extension part being axially aligned as a line so as to form a standstill point. If an foreign force is exerted, the extension stem is drawn inward to allow the relay, the connection part and the movable part generating upward or downward relative motions to each other such that the movable object can open or shut the open end of the stationary object automatically.

Abstract: A concealed hinge for doors in furniture and cabinets installed with screws in which the weight of the door rests on the hinge pivot point and is borne by the frame of the cabinet thereby permitting the use of a structurally thin and lightweight hinge. The hinge is preferably installed using a simple template designed for use by amateurs as well as professional cabinet makers. The hinge is not only easy to install, but also is easily adjusted. The hinge is relatively inexpensive and installation is inexpensive compared with comparable hinges.

Abstract: A hinge structure of a case is provided to join a case body (2) and a lid (3) together in a manner capable of opening, turning, and closing said lid (3). The hinge comprises: the first hinge connectors (4), through which the first shaft holes (5) are drilled and which are disposed at the rear of a case body (2) of a synthetic resin in which to contain a cosmetic material; the second hinge connector (6), through which the second shaft holes (7) are drilled and which is disposed at the rear of a synthetic resin lid (3) that opens or closes said case body (2); and a hinge structure comprising hinge shafts (8) made of a synthetic resin, with each shaft (8) being passed through said first shaft hole (5) and said second shaft hole (7). In this hinge structure, two convex fitting parts (9) with the shape of a short cylinder are disposed so as to project from the end faces of said first hinge connectors (4) that come in abutment with the second hinge connector (6).

Abstract: An adjustable handle assembly for a lock includes a mounting plate fixed to a side of a door, a spindle, a shank, and a handle. The spindle is mounted in a central hole of the mounting plate and has a portion extending beyond the central hole of the mounting plate. The shank is securely engaged to the spindle to turn therewith. The shank includes an engaging portion having a polygonal outer periphery. The handle has an engaging hole configured complimentary to the polygonal outer periphery of the engaging portion of the shank. The handle has a grip extending therefrom. The engaging hole extends from a side of the handle to the other side of the handle. The engaging hole of the handle is releasably engaged with the engaging portion of the shank, with the grip being located in one of at least three positions with respect to the shank.

Abstract: A knob for a lock includes a knob body and a reinforcing member. The knob body has a side, and a neck extends outward from the side of the knob body and has a slot. The reinforcing member is mounted around the neck and has a stop that is engaged in the slot of the neck. An escutcheon is mounted around the reinforcing member. The knob has increased strength for withstanding larger force intended to destroy the lock through either jimmying the connection area between the side of the knob body and an end wall of the escutcheon or hammering an outer face of the knob body.

Abstract: A protective strap includes a base layer and a top layer bonded to the base layer. The base layer is fastened to a handle of a sporting apparatus or a sleeve fitted onto the handle. The top layer, which is made of rubber and is smaller in thickness than the base layer, is provided with not only shock-absorptive and skidproof effects but also holding comfortableness. Additionally, the top layer is larger in width than the base layer such that a space is formed under where the top layer is overlapped while the protective strap is spirally wound around the handle or the sleeve. When the sporting apparatus is rotated in a direction opposite to a direction around which the protective strap is wound, the top layer can be partially deformed toward the space to absorb an external force such that the protective strap will not be turnup.

Abstract: A combined garment pairing and skin cushioning device for a first garment and a second garment having first and second attaching devices, and first and second cushions. Also, a combined garment pairing and symbol-shaped device for a first garment and a second garment having first and second attaching devices, where the first and second attaching devices have first and second overall shapes, and where the first and second overall shapes are first and second symbols. Further, an elastic loop garment pairing device for a first garment and a second garment having a first elastic loop on the first garment, a second elastic loop on the second garment, and a securing device on the first elastic loop, where the securing device may be inserted into the second elastic loop.

Abstract: A device for maintaining position of a piece of jewelry includes a strip of flexible material having a first end, a second end and a middle portion between the first and second ends. The device further includes a fastener having first and second components.

Abstract: The invention relates to a device comprising at least a pair of hard hooks, each containing a gripping portion and a hooking portion, connected by a stretchable cord, preferably a bungee cord. The device is useful for easily and securely fastening a ladder or other lengthy equipment to a vehicle.

Abstract: This invention provides a slider to close a zipper profile having a diaphragm of at least one metalized laminated film sealed between the flaps of the zipper profile for sealing and making the package tamper proof and act as a barrier. The said flap has plurality of horizontal lines for the purpose of selective heat transfer and enabling one side sealing on zipper assembly, thereby preventing the zipper from sealing from inside after the pouch having said zipper assembly is filled with desired material.

Abstract: This invention relates to a multi-purpose combination clip comprising two clips separably coupled together, each having a holder portion distinct in function from the other for each detachably holding a supported member wherein the supported members can be of varying physical dimensions. The invention relates to a general purpose utility clip for general purpose applications wherein plastic material of the clip structure provides required compression and engagement strength to the two clips which individually are integral one piece plastic structures.

Abstract: The machine (1) for producing porous membranes (2) for medical use comprises a plurality of reserves (25a, 25b, 25c, 26a, 26b, 26c) of components (18a, 18b, 18c, 19a, 19b, 19c) which constitute fluid substances, first and second guns (16, 17) supplied from the reserves (25a, 25b, 25c, 26a, 26b, 26c) for spraying the fluid substances onto an element (37) on which the substances are deposited and build up, the element (37) and the guns (16, 17) being mobile relative to one another for substantially even distribution of the fluid substances designed to form the membrane (2).

Abstract: The inner circumferential surface of a suction pipe must be periodically cleaned as well as the inner region of the suction slit and especially the webs between the suction holes of the suction pipe. The aim of the invention is to facilitate said cleaning process. To this end, a standard cleaning spray gun is provided with a long cleaning lance comprising a rotor nozzle on the end thereof. In order to clean the suction pipe, said lance can be passed through a hole on the front side of the fixed suction pipe. The dirt released and the remaining suction water can thus be evacuated on the other front side in a problem-free manner.

Abstract: An assembly is provided which can crimp or compress an intraluminal device or measure the radial strength of an intraluminal device. The crimping assembly includes at least two moving-element subassemblies, each with a pair of moving elements. The moving elements having a first side and a second side joining at a tip. The moving-element subassembly is able to move in such a way that the moving elements move relative to each other from a first position with the tips offset from each other by a first distance, to a second position with the tips offset from each other by a second distance different than the first distance. The assembly also includes a movement assembly that interfaces with each of the moving-element subassemblies. The movement assembly moves the pairs of moving elements between the first position and the second position.

Abstract: A tool for replacing brake pads of disc braking systems of automobiles includes a screw rod combined with a sliding handle and having a ring groove; a first plate body combined with the screw rod and having two through holes; a second plate body screwed with the screw rod and having a screw hole and a through hole respectively aligned with the through holes of the first plate body; a guide rod extending through the through holes of the second plate body and the first plate body and having two ring grooves at both ends. The ring grooves can be engaged with retainer rings. Only to place the first plate body and the second plate body against front ends of more than one piston and to rotate the screw rod forward, a user can press the pistons to their initial positions simultaneously at a time for replacing new brake pads.

Abstract: This invention relates to a jewelry clamping device particularly adapted for holding a ring shank and crown in place during ring manufacture or repair. The device comprises a generally C-shaped frame having a base plate and a top plate. A nest mounted on the base plate has an upper surface formed with at least one groove positioned to engage and hold the crown. A vertically adjustable shaft is connected to the top plate in alignment with the position of the crown. The lower end of the shaft is adapted to engage and hold a ring shank in alignment with the crown. The device is particularly useful for holding the shank and crown in place during soldering.

Abstract: Methods in accordance with the present invention can be used to assemble or rework a rotary actuator assembly for a media data storage device having one or more disks. One such method for assembling a rotary actuator assembly includes connecting at least one arm to a mounting block wherein the mounting block includes a bore and a spacer, the spacer having threaded holes on a top surface and a bottom surface in order to receive screws. This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims.

Abstract: Battery cans are produced in a continuous in-line operation from a group of drawing press tools. The streams of parts from each tool are merged into an ordered stream of parts without losing their identity as to the tool that produced them. The parts are automatically inspected and if parts from a particular tool are defective, the other parts from that tool are ejected from the line without ceasing operation of the stream of parts from the remaining tools. The operation continues through packing the parts in containers identified with the tool source of the respective parts.

Abstract: A method of manufacturing a threaded joint for oil well pipe having a pin part with a male thread, a box part with a female thread, metal seal parts provided on the pin part and the box part, respectively, and torque shoulder parts provided at the tip of the pin part and at the portion of the box part coming in contact with the tip of the pin part, respectively, comprising the step of providing a design procedure for determining the dimensions of each part, whereby an highly strong threaded joint showing an excellent leak resistance to internal and external pressures can be designed and manufactured.

Abstract: In a process of molding and assembling a three-dimensional ornament, a mold having a recess in which is formed an opening is provided. A molding pattern is located inside the opening. A first material fills in the molding pattern to form a plurality of protruded decoration patterns. Then, a second material is charged in the opening and the recess of the mold over the first material to respectively form a projection and a contact wall which together form an embossment. The embossment then is removed from the mold. The embossment then is mounted inside a hollow pen tube in a manner that the projection fits in a sidewall opening of the pen tube and the protruded decoration patterns protrude from the sidewall opening. A sleeve is inserted in the hollow pen tube to urge the contact wall of the embossment against the wall of the hollow pen tube.

Abstract: The present invention relates to a method for manufacturing a design tab end of a beverage can, in which a base color is painted on an aluminum tab coil before forming a tab, and a design is printed on the surface of the tab coil on which the base color has been painted, thereby making the color of the tab gorgeous and raising the value of the product.

Abstract: Disclosed is a method of producing a polygonal, ring-shaped machine part having a complex cross-section starting from a metal rod with improved productivity and remarkably increased material yield. The method comprises the steps of: forging a rod to prepare a notched blank 1 having large diameter parts 11 and the remaining small diameter parts 12; bending the large diameter parts 11 to form a first intermediate 3 of polygonal, open ring-shape and a complex cross-section with confronting ends; butting and welding the confronting ends of the first intermediate 3 to form a second intermediate 5; die-forging the second intermediate 5 to form a ring-shaped product 7; and subjecting the product 7 to necessary finishing step such as machining to obtain the final product.

Abstract: A method for manufacturing a vehicular door assembly (10) having a door (12), a door panel (14), a substrate (54), a plurality of systems, and a plurality of components. The method includes the steps of fastening the door panel (14) to the door (12), attaching the substrate (54) to the door panel (14), and securing the plurality of components to the substrate prior to attaching the substrate to the door panel (14) such that each of the plurality of components is operational upon the substrate being attached to the door panel (14).

Abstract: A manufacturing cell having a plurality of work stations, where at least one of the work station comprises a metalworking machine, and where at least one metalworking machine is provided with a modular tooling apparatus. The modular tooling apparatus consists of a base having one or more attachment surfaces, and one or more inserts that can be inserted semi-permanently to the attachment surfaces. The attachment surface is typically a pocket in the surface of the base. The insert has a workpiece support feature that can support and/or secure the workpiece into the proper position and orientation for machining. The base, pockets and inserts are configured to provide a characteristic location and orientation for the workpiece relative to the base, and to the metalworking machine.

Abstract: Methods in accordance with the present invention can be used to assemble or rework a modular rotary actuator assembly for a media data storage device having one or more disks. One such method for assembling a modular rotary actuator assembly includes assembling a module, assembling an arm stack by connecting a first arm with the module, connecting the arm stack to the top surface of a spacer of a mounting block by one or more screws, connecting a second arm with the bottom surface of the spacer by one or more screws, and inserting a bearing arrangement into a bore of the mounting block. This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims.

Abstract: The invention seeks to provide a thin-film coil of high space factor and of a low resistance in an easy and reliable manner. In a thin-film coil in which a first coil and a second coil each having a desired number of winding are electrically connected in series and mounted in the thin-film coil, the second coil is formed between winding portions of the first coil on substantially the same plane, and only an insulating film is interposed between the first coil and the second coil.

Abstract: The invention provides an apparatus and method for producing multilayer laminates of polymeric electrolyte material incorporating one of more electrode layers. The apparatus (40) comprises an extrusion apparatus (42) for extruding a polymeric material (76) and a pair of heated rollers (46, 48) between which the material (76) and electrodes (60, 68, 72) are pressed in order to produce a continuous extrudate (80). The method may also include producing a gellable mixture comprising a crystallisable polymer and an aprotic organic liquid, forming the mixture as an elongate tape and contacting the tape with an electrode material. A compression and heating step may be present.

Abstract: A disc centering device includes a base plate, a chuck which is installed on the base plate, a hub unit which is detachably engaged to the chuck and receives discs to be stacked, disc pushers which are slidably provided outside the hub unit and include corresponding pressure members which center the discs by pushing circumferences of the discs, and a driving unit which slides the disc pushers simultaneously. Accordingly, as the accuracy of centering the discs is improved, discs with data recorded thereon having a uniform quality can be obtained. Additionally, vibration of a rotation body can be minimized due to the simple configuration the disc centering device. Therefore, in view of the simplified maintenance and repair of the disc centering device, the productivity and manufacturability of HDDs can be improved.

Abstract: The present invention provides an assembling method facilitating building-in work of a door and tensile coil spring in a cartridge case. In an assembling of a magnetic tape cartridge, hold the door and coil spring with a component holding jig, grip a part of the door with a robot hand of an assembling apparatus, engage the other end of the coil spring in a spring engaging portion, elongate the coil spring with moving the spring engaging portion in a closing direction, make a state in which the coil spring can be attached to the case-side spring hooking portion as it is when fitting the door in a closing position of the guide groove, then fit in the door, and attach the other end of the coil spring to the case-side spring hooking portion, thereby being able to simultaneously build the door and coil spring in a lower half.

Abstract: A process of forming a flexible circuit board for ink jetting is provided. The process includes the steps of: providing an insulation tape; forming conductive traces on the insulation tape; and forming a photo-polymer layer filling between the conductive traces, wherein parts of the conductive traces are exposed to form a plurality of contacts. The material of the insulation tape can be polyimide, Teflon, polyamide, polymethylmethacrylate, polycarbonate, polyester, polyamide polyethylene-terephthalate copolymer, or any combination of the above materials. The material of the photo-polymer layer can be solder mask or polyimide.

Abstract: A method of fabricating a printed circuit board efficiently within a short time is disclosed. Two areas R1 and R2 to fabricate two printed circuit boards are assigned to a single original board 5 from which a plurality of boards are available. A first automatic mounting area 1 where the chip parts are mounted to obtain one printed circuit board is set in the area R1. A second automatic mounting area 2 where the chip parts are mounted to obtain another printed circuit board is set in the area R2. An automatic mounting range 3, including the two automatic mounting areas 1 and 2, is set in a predetermined range of the original board 5 in such a manner as to correspond to the range where the chip parts mounter carries out the work of mounting the chip parts.

Abstract: A process of packaging an OEL panel is disclosed. A printed circuit board is provided, wherein the printed circuit board comprises a plurality of bonding pads and a plurality of bumps on the bonding pads. Next, at least one OEL panel having a plurality of polysolder interconnections is provided. Next, the OEL panel disposed on the printed circuit board. A reflow process is performed so that the OEL panel can electrically connect with the PCB by the polysolder interconnections. Because of the low-temperature reflow process, the process of packaging an OEL panel can be accomplished by a low temperature process.

Abstract: A process for semiconductor device production by which the reliability of connection with bumps can be easily heightened with higher certainty. The process for producing a semiconductor device comprising a substrate having bumps formed thereon, comprises covering the bumps with an adhesive film which has a modulus of elasticity (−55° C.) of from 100 MPa to 5 GPa and has a thickness corresponding to from 5 to 40% of the height of the bumps, and then disposing the adhesive film on the substrate so that the bumps pierce through the adhesive film and come to protrude therefrom.

Abstract: By forming a terminal at a tip of a lead part of a lead frame, and by fixing this terminal and a connecting pad which was formed on an upper surface of a first printed circuit board, the lead frame is attached to the first printed circuit board. By cutting off a frame part and a tie bar part from the lead frame which was attached to the first printed circuit board, the lead part is separated, and forming is applied to the lead part so as for its tip to be extended over the first printed board. After the lead part which is expanded upward is inserted into a through-hole which was opened in a second printed circuit board, by soldering the lead part and the through-hole, the first printed circuit board and the second printed circuit board are electrically connected.

Abstract: A method of making an electrical connector includes the steps of: providing a connector body (2) having an insert (5) defining a recessed area (54a) at one side and a number of channels (54b) at an opposite side; assembling a ground bus (4) to the recessed area of the insert, the ground bus including a carrier strip (46) with a number of fingers (460) extending therefrom; assembling a number of signal contacts (3) to the channels of the insert, each signal contact including a board mounting portion (32); and displacing the carrier strip such that each finger extends into space (320) between the mounting portions of two adjacent signal contacts.

Abstract: A method of manufacturing an impeller includes the steps of: (a) forming an impeller having a plastic disc body and magnetisable material distributed and encapsulated within the body; (b) testing the imbalance of the impeller; (c) removing plastic material from the impeller to compensate for the tested imbalance; and (d) magnetising the magnetisable material to have an annular array of alternating poles.

Abstract: Method and arrangement for manufacturing an outlet nozzle (10) for use in a liquid fuel rocket engine. The nozzle forms a body of revolution having an axis of revolution and a cross section that varies in diameter along said axis. The nozzle has a wall structure comprising a plurality of mutually adjacent cooling channels extending substantially in parallel from the inlet end (12) of the nozzle to its outlet end (13). The method includes providing a plurality of preprocessed profile members, each having a web and flanges in opposite directions from said web. Each profile member is machined to present a longitudinally gradually tapering width. The member is curved to conform with the wall section of the nozzle, and members are joined by welding the flanges to form a bell-shaped nozzle structure with cooling channels (11) formed by adjacent webs and adjacent pairs of flanges.

Abstract: A method for making a gear with 90-180 teeth includes step 1 of forging an initial product of the gear; step 2 of annealing the initial product of the gear; step 3 of trimming the initial product of the gear; step 4 of grinding the initial product of the gear; step 5 of rolling the initial product of the gear to have 90 to 180 teeth; step 6 of proceeding the gear in step 5 with a heat treatment; and step 7 of proceeding the gear in step 6 with surface treatment.

Abstract: Method and apparatus for providing a hollow, elongated construction element, for example for use as a vehicle front axle. The method includes (1) directing a first blank through a furnace (2) for heating the blank to a working temperature. The blank is directed between a pair of rollers (3, 4) having profiled surfaces, the blank being preformed in one or more steps to form an intermediate product having a predetermined profile along its longitudinal extent. The blank is fed to a forging press having a number of cooperating die pads, the blank being worked in a plurality of steps (5, 8, 11) to form a substantially finished product, having a cross section substantially in the form of a hat profile of predetermined varying height, width and material thickness along its length. A second blank (14), having essentially the same profile as the hat profile of the first blank in the dividing plane of the cooperating die pads, is placed in connection with the hat profile.

Abstract: Methods in accordance with the present invention can eliminate cumbersome and potentially contaminating methods for connecting a bearing assembly with an actuator assembly. One such assembly comprises a bearing assembly with a threaded base for insertion into a bore, wherein the bore includes threads for engaging the threaded base of the bearing assembly, eliminating the contamination associated with such methods as glueing. The bearing assembly is designed such that it can be disconnected from the actuator assembly for rework without damaging or contaminating the actuator assembly or bearing assembly. This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims.

Abstract: A manufacturing apparatus for the race for a thin cross-section rolling bearing from a heat-treated pipe-shaped material W with a rib section 1 at one end thereof comprises a first spindle 11 having a clamping jig 14 to clamp the rib section 1, and a chuck 12 to securely hold the clamping jig 14; a machining unit 23 to process the pipe-shaped material W to form an annular member 10 via turning and/or grinding steps; and a second spindle 28 to retain the annular member, which has been cut off from the rest of the pipe-shaped material W, so that the end face of the annular member is subjected to turning and/or grinding steps, whereby the precision in roundness and uniformity in material thickness of the race is improved.

Abstract: A nail clipper for pets has a clipper body formed with a pair of board spring arms with operating ends biased apart for mounting respective blade pieces thereon, and the blade pieces are each formed as a semi-circular or semi-elliptical ring half of a given thickness having a cutting edge formed on an inner facing rim thereof and diametrically opposing ends pivotally attached together with the semi-circular or semi-elliptical cutting edges positioned apart facing each other for insertion of a nail of a pet and closing together to cut the pet's nail. The blade pieces produce smooth nail edges cut in a semi-spherical or semi-elliptical shape in a single cutting action.