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| Number | Title | Issue Date |
| 7373856 | Brake actuator The present application discloses a brake actuator for applying tension to a brake cable. The actuator includes: a mounting bracket; a brake actuator lever mounted for pivotal movement relative to the mounting bracket in brake applying and brake releasing directions... | 05/20/2008 |
| 7292809 | Drive unit, method of producing drive unit, running body moving unit, image reading apparatus, and imaging apparatus A drive unit including a drive shaft, a drive pulley attached to the drive shaft, and a drive wire driven by the drive pulley so as to move a movable body. The drive pulley is formed by press working or rolling. ... | 11/06/2007 |
| 7278285 | Method and device for producing tubular formed body A forming device having a rotating frame (1) and a forming blade (2) movable in the axial and radial directions of the rotating frame. One side-edge portion of a tubular blank (B) is fixed to a predetermined position of the rotating frame (1), a... | 10/09/2007 |
| 7181945 | Semi-manufacture pulley forming apparatus A pulley is made by fixing an edge of an opening of a plate by using a first upper mandrel ring installed at a lower end of a first supporting pin of a first forming device. A supporting block disposed around an upper end of a first spindle is rotated with the first... | 02/27/2007 |
| 7055243 | Crankshaft damper with integral pulse ring and method The invention comprises a crankshaft damper having an integral pulse ring. The crankshaft damper comprises an inner hub and outer pulley with an elastomeric connecting member between each. The elastomeric ring dampens a crankshaft vibration. The integral pulse ring ... | 06/06/2006 |
| 7047781 | Sheet metal member having an annular peripheral wall and a method of thickening an annular peripheral wall of the sheet metal member The present invention relates to a sheet metal member having an annular peripheral wall and a method of thickening an annular peripheral wall of the sheet metal member. The thickness of the annular peripheral wall is increased to be 2 or more times or 3 or more time... | 05/23/2006 |
| 6925713 | Method of manufacturing an annular member made from a metal sheet having a peripheral wall The present invention relates to a disc-shaped material made from metal sheet, provided for the manufacture of a pulley or the like. According to the present invention, even if the metal sheet is thin and light weight, a peripheral wall of sufficient strength can be... | 08/09/2005 |
| 6907764 | Methods and apparatus for manufacturing flanged articles Methods for manufacturing a flanged article (21) that comprises a central depressed body (27) and a peripheral flange (23) may include press forming a material (10) in order to form an intermediate flanged article (20) that compris... | 06/21/2005 |
| 6875142 | Poly-V pulley made of metal sheet and method of manufacturing the same The present invention relates to a cylindrical poly-V pulley made of metal sheet suitable for forcedly fitting a one-way clutch or a bearing. The present invention can easily provide thick ears for preventing a V-belt from disengaging, and ensure an enough length of... | 04/05/2005 |
| 6865808 | Method of forming a pulley A pulley is made by fixing an edge of an opening of a plate by using a first upper mandrel ring installed at a lower end of a first supporting pin of a first forming device. A supporting block is disposed around an upper end of a first spindle and is rotated with th... | 03/15/2005 |
| 6625887 | Sheet metal-made poly V-grooved pulley and method of manufacturing the pulley The present invention relates to a cylindrical poly-V pulley made of metal sheet suitable for forcedly fitting a one-way clutch or a bearing. The present invention can easily provide thick ears for preventing a V-belt from disengaging, and ensure an enoug... | 09/30/2003 |
| 6540428 | Caulking roller and sintered flanged pulley caulked by the caulking roller A sintered, flanged cam pulley includes a sintered cam pulley body and an annular flange caulked to the sintered cam pulley body. The sintered cam pulley body has at an end portion thereof an axial annular projection and a stepped portion formed on an out... | 04/01/2003 |
| 6488604 | V-belt pulley V-belt pulley comprising an outer rim (2) provided with at least one V-belt groove (7) formed by turning, said groove (7) having a bottom (9) provided with a plurality of radially through-going and circumferentially interspaced openings (8). The pulley is... | 12/03/2002 |
| 6463659 | Multi-stage pulley and production method thereof An annular groove portion is formed between portions corresponding to groove portions and thereafter the groove portions are formed while the annular groove is pressed. Consequently, since the stress produced due to a plastic deformation in forming the gr... | 10/15/2002 |
| 6449845 | Method of manufacturing a gear part The invention relates to a method for the manufacture of a gear part with a transversely directed profile, particularly a timing belt pulley, wherein a substantially rotationally symmetrical workpiece is fixed in a flow-forming device and rotated and wher... | 09/17/2002 |
| 6381847 | Method of manufacturing poly-V-pulley The present invention provides a method of manufacturing a poly-V pulley made of metal sheet, which can be easily produced from a thick flat-plate material. By this method, the poly-V pulley is formed to have a two-part arrangement of poly-V grooves havin... | 05/07/2002 |
| 6338197 | Method of manufacturing multi-stage pulley The manufacturing cost of a multi-stage pulley is reduced without coaxially arranging a plurality of groove forming sections. While a portion between groove sections 103 is being pushed by a pushing roller 204, the groove sections 103 are successively for... | 01/15/2002 |
| 6115920 | Method of manufacturing multi-grooved V pulley In forming a multi-grooved V pulley by roll forming, a preliminary forming method is disclosed for preventing the occurrence of a top roll accompanied by a crack along each annular ridge of the pulley. A preliminary form roller is pressed against an annul... | 09/12/2000 |
| 6071205 | Multi-stepped pulley, method of manufacturing same, and apparatus for manufacturing same A multi-stepped pulley, and a method and apparatus for manufacturing the same, wherein the mechanical strength is increased while keeping down an increase of mass and a rise of manufacturing costs by pressing against portions of a surface of a hollow meta... | 06/06/2000 |
| 5862696 | Method and apparatus for the manufacture of a poly-V-pulley The invention relates to a method and an apparatus for the manufacture of a poly-V-pulley, particularly with a toothed reference mark sensor. The method uses per se known spin forming and combines in one setting on a spinning machine with tool changers, t... | 01/26/1999 |
| 5823904 | Reinforced hub, pulley A pulley with an integral hub spun-roll formed of a disc of sheet metal where the hub has an annular ring extending radially outward of the hub and reinforcing the hub. Optionally, the hub has as integral flange that facilitates removal of the pulley from... | 10/20/1998 |
| 5732581 | Method for producing a sheet metal poly-V groove pulley and a sheet metal poly-V groove pulley The present invention relates a method of producing a sheet metal poly-V groove pulley in which a thickened annular peripheral wall of an outer peripheral side of a base plate is holding held and pressed so as to increase the axial length of the annular p... | 03/31/1998 |
| 5651181 | Method of manufacturing a V-pulley A ring-shaped flange is molded at one end of a cylindrically-shaped body in a flange molding process. In an edge surface molding process performed after the flange molding process, a cylindrically-shaped body thinner than a hot rolled steel plate, a trunc... | 07/29/1997 |
| 5448832 | Method of forming a boss on a plate-like metallic blank, and method of forming a pulley from a metallic plate The present invention is adapted to form, at the center of a plate-like metallic blank, a case-like boss projecting from one lateral side of the blank, by: curving the plate-like metallic blank such that the blank is convex punching a hole in the top of t... | 09/12/1995 |
| 5129146 | Method of manufacturing poly-V pulleys from sheet metal The invention presents a manufacturing method of making poly-V pulleys for bending the peripheral end part of the disc-shaped sheet metal blank in concave or convex form, flattening the bent portion so as not to elongate it in the radial direction, increa... | 07/14/1992 |
| 5123166 | Ear forming method of sheet metal made of poly-V pulleys The invention relates to a sheet metal made poly-V pulley in which poly-V grooves (10) to be engaged with poly-V belt are formed in the outer circumference of peripheral wall (5) of a cup-shaped blank (3) integrally forming the peripheral wall (5) extendi... | 06/23/1992 |
| 5072509 | Method of manufacturing a belt pulley Method of manufacturing a belt pulley from a metal disk, e.g. a multiple-V-belt pulley, toothed belt pulley, flat belt pulley, etc., having a hub and an area that is provided with a profile which is basically hollow cylindrical and has a smooth or crowned... | 12/17/1991 |
| 5068964 | Method of making poly-V grooved pulley In a method of making a poly-V grooved pulley from a circular flat plate of sheet metal of a predetermined thickness, the central portion of the parent flat plate is pressed to form a cup-shaped blank integral with a circular flat peripheral flange of the... | 12/03/1991 |
| 5031296 | Machine tool for manufacturing pulleys or wheels The invention relates to a machine tool, in particular for the manufacturing, from sheet metal of mechanical parts such as pulleys, wheels and similar. It comprises a first chuckhead quill (4) rotatably mounted to a sturdy frame (1) and having coaxially a... | 07/16/1991 |
| 5031433 | Method and apparatus for manufacturing a pulley An appratus and method for manufacturing a pulley having a generally V-shaped groove therein is provided. The apparatus includes a press section and a molding section. The starting material for forming the pulley is a ring-shaped workpiece which is prefer... | 07/16/1991 |
| 4955133 | Method of making pulleys with plural V-shaped grooves A method of making a pulley with a number of V-shaped grooves, especially having a stepped shape, comprises a rim or rims and a core which are separately formed by an appropriate plastic process and are fixed or connected fixedly to each other by a metall... | 09/11/1990 |
| 4929220 | Pulleys A pulley with plural fillets disposed on an outer peripheral surface thereof, which includes a plurality of recesses for lightening the weight thereof. The recesses are circumferentially formed in an inner cylindrical surface of a ring-shaped rim at equal... | 05/29/1990 |
| 4874973 | Method and arrangement for securing a pulley to a rotor in an electromagnetic clutch An electromagnetic clutch includes a clutch rotor and an annular electromagnet. The clutch rotor has a rotor which sectional side view is a U-shaped configuration and a pulley mounted at an outer peripheral surface of the rotor. The annular electromagnet ... | 10/17/1989 |
| 4843694 | Method of making a clutch rotor for an electromagnetic clutch A clutch rotor for use in an electromagnetic clutch and the method for producing a clutch rotor is disclosed. The clutch rotor comprises a rotor member and a V-shaped pulley to receive a drive belt. The rotor member includes an outer cylindrical portion, ... | 07/04/1989 |
| 4831705 | Method of manufacturing a sheet metal poly-V pulley A method of manufacturing a sheet metal poly-V pulley including forming a tubular peripheral wall integrally from the peripheral edge of bottom wall and forming poly-V grooves in the peripheral wall at specified pitches, in which a bent part is formed in ... | 05/23/1989 |
| 4697445 | Poly-V pulley formed of sheet metal and method and apparatus for making same A poly-V pulley formed from a cup-shaped sheet metal blank by axially compressing the cylindrical portion while confined in dies to form a thickened cylindrical portion, with radially pressurized dies to prevent buckling or corrugating, and roll forming t... | 10/06/1987 |
| 4669295 | Method of manufacturing a magnetic rotatable member for an electromagnetic clutch An electromagnetic clutch includes a first rotatable member of magnetic material having an axial end surface and a hollow portion in which an annular electromagnetic device is disposed in a stationary position. A second rotatable member, such as a drive s... | 06/02/1987 |
| 4667295 | Logical transform image processor A minicomputer provides signals representative of an image to three memory units via a sixteen bit data bus. Signals representative of sixteen central pixels of the image and neighbors thereof are provided from the memory units to a tessellation memory. I... | 05/19/1987 |
| 4653165 | Method for making a poly-V grooved pulley with interior ribs An inner surface of a cylindrical flange wall of a poly-V pulley is provided with a plurality of ribs in the longitudinal or axial direction of the cylindrical flange wall for strengthing the cylindrical flange wall.... | 03/31/1987 |
| 4633557 | Method of making poly-V pulleys A sheet metal poly-V pulley is made by forming a cup-shaped blank having a cylindrical wall with inner and outer peripheral surfaces, thickening the cylindrical wall by compressing the blank axially while rolling it, then rolling the thickened blank on sh... | 01/06/1987 |
