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8087169 |
Method of manufacturing sheet metal back face pulley
A sheet metal-made cup-shaped material including a circular base plate portion and a cylindrical portion extends from an outer peripheral edge portion of the base plate portion in one direction...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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4631946 |
Method of manufacturing sheet metal made poly-V pulleys
A method of manufacturing precise sheet metal made poly-V pulleys with poly-V grooves, being uniform in thickness of peripheral wall and free of reduction of mechanical strength, by a step of...
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4605388 |
Sheet metal pulley for toothed belts and manufacturing process thereof
A sheet metal pulley having a generally circular base with an upstanding circumferential flange. The flange is formed to provide teeth for engaging a toothed belt. The outer tooth sections are...
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4564137 |
Method of making a clutch rotor for an electromagnetic clutch
A method of making a clutch rotor for use in an electromagnetic clutch according to this invention includes the steps of forming a cup-shaped blank with a generally cylindrical annular flange wall;...
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4551122 |
Manufacture of poly-V sheet metal pulleys and product
A sheet steel poly-V-grooved pulley having a special cross-sectional contour is made optionally by any one of three different cold working manufacturing procedures. Special physical properties or...
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4547179 |
Timing belt pulley and method of manufacture
A pulley particularly developed for timing belt systems for engines where the outer pulley surface is formed from a corrugated strip butt welded together. The resulting cylindrical ring is fixed to...
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4518374 |
Poly-V pulleys
A sheet metal poly-V pulley formed from a cup-shaped blank having a cylindrical wall with inner and outer peripheral surfaces, the pulley comprising: at least a portion of the cylindrical wall...
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4404829 |
Method and apparatus for the manufacture of pulleys
A method and apparatus for the manufacture of pulleys is presented, wherein the pulley is manufactured from a blank placed between a head stock and a tail stock assembly. While maintaining constant...
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4366609 |
Composite pulley and method for making
A novel composite pulley construction is provided, which comprises a continuous, metal peripheral belt supporting and bearing surface, and a plastic body. Also provided is a novel method for making...
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4313323 |
Method for manufacturing poly-V pulleys
A method for manufacturing a poly-V pulley comprising pre-forming the flange wall of a cup-shaped blank to have a corrugated cross section having a series of valleys formed around the outer...
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4297869 |
Apparatus for fabricating pulley rims
An apparatus for manufacturing pulley rims has a first press, for initially shaping a pulley rim from a pulley rim blank, a second press, for final shaping of the pulley rim, and a clamping...
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4289007 |
Apparatus for hydraulically forming sheet metal pulleys
Apparatus for forming a sheet metal pulley from a cup-shaped blank in a single hydraulic forming operation. A pair of die holding members supports a plurality of groove-forming inner dies and is...
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4273547 |
Method of pulley manufacture and product
This invention relates to a novel method of making pulleys and pulley blanks from sheet metal. The sheet metal is stamped into pulley blanks having an upstanding cylindrical wall, the cylindrical...
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4236289 |
Apparatus and method for fabricating pulleys
There is disclosed herein a method and apparatus for fabricating a pulley which the pulley rim is fabricated from a cylindrically-shaped blank of constant diameter which is deformed by relatively...
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4173136 |
Method and apparatus for producing multiple groove V-belt pulleys
A multiple groove pulley is formed from a cup-shaped blank by an apparatus and method in which axially displaceable segmental shaping rings are positioned at axially predetermined positions along...
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