Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7437808 | Method of forming a metal matrix component A method of forming a metal matrix component and product that comprises forming scrap sheet metal material, shredding the scrap sheet metal material to a predetermined size range, filling the shredded scrap sheet metal material into a compacting die, adding an adhes... | 10/21/2008 |
| 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 |
| 7191880 | Over-running clutch pulley with increased surface microhardness The over-running clutch pulley (10) of a preferred embodiment of the invention includes a sheave member (20), a hub member (22) located substantially concentrically within the sheave member, and a clutch member (24), which cooperate to ro... | 03/20/2007 |
| 7191633 | Forging apparatus A forging apparatus has an upper die unit connected to an actuator for displacement in unison therewith, and a lower die unit confronting the upper die unit and mounted in a body assembly fixed to a foundation. An outer ring is guided axially by a plurality of guide... | 03/20/2007 |
| 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 |
| 7162796 | Method of making an interposer with contact structures A method of making an interposer having an array of contact structures for making temporary electrical contact with the leads of a chip package. The contact structures may make contact with the leads substantially as close as desired to the body of the chip package.... | 01/16/2007 |
| 7124610 | Method for producing a torsional vibration damper housing, especially a housing for a viscosity torsional vibration damper The invention relates to a method for producing a torsional vibration damper housing, especially the housing for a viscosity torsional vibration damper, whereby the damper housing is manufactured from an existing plate circular blank and the shaping of the damper ho... | 10/24/2006 |
| 7108623 | Fan idler pulley A fan idler pulley having a threaded hub for attaching a fan shaft. The pulley also comprises a receiving portion for engaging a bearing. The bearing is further engaged with a cup. The entire assembly is mounted by a pin press fit though the cup into a mounting surf... | 09/19/2006 |
| 7047644 | Crankshaft damper and method of assembly A crankshaft damper and a method of crankshaft damper assembly using interlocking beads. A crankshaft damper having a hub portion and pulley ring and an elastomeric member disposed in an annular space between them is clamped in a tool after initial assembly. A tool ... | 05/23/2006 |
| 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 |
| 6932732 | Toothed belt wheel with a collar A cog belt pulley defining an axis of rotation having an outer circumferential surface oriented about the axis of rotation and including a plurality of teeth for engagement with at least one cog belt. The pulley is distinguished in having at least one flange segment... | 08/23/2005 |
| 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 |
| 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 |
| 6729019 | Method of manufacturing a probe card A method of designing and manufacturing a probe card assembly includes prefabricating one or more elements of the probe card assembly to one or more predefined designs. Thereafter, design data regarding a newly designed semiconductor device is received along with da... | 05/04/2004 |
| 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 |
| 6484401 | Gear part and method for forming a gear part A gear part and method is provided for forming a gear part, in which a circular blank-like workpiece is fixed in a flow-forming machine in a radially inner area, the circular blank-like workpiece is rotated, at least one roller is substantially radially m... | 11/26/2002 |
| 6427329 | Method of forming a hub with blind bore A method for forming a hub having blind bore is provided. The blind bore hub is formed integrally with a solid circular disc by displacing metal radially inward from the upper surface toward the center of the disc to form a hub, and then punching a bore o... | 08/06/2002 |
| 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 |
| 6370776 | Method of producing a poly-V pulley The present invention provides a method of producing a poly-V pulley which can economically produce a poly-V pulley of the type that is to be inserted and coupled onto a shaft via a one-way clutch or a bearing, the number of steps being as small as possib... | 04/16/2002 |
| 6371448 | Rope drive element for driving synthetic fiber ropes A traction sheave for driving synthetic fiber ropes, preferably of an elevator installation, ensures a consistently good selected tractive capacity that is largely independent of external influences which reduce friction. At least part of the rope running... | 04/16/2002 |
| 6332267 | Process of manufacturing a removably interlockable assembly A process for making a removably interlockable connector assembly that includes a first connector having a head on a mesa and a second connector having an opening that receives the head on the first connector. The head on the mesa of the first connector a... | 12/25/2001 |
| 6319162 | Sliding key and continuously variable transmission A sliding key slidable in an axial direction of a rotary shaft and engaging a sliding cylinder such that the sliding key follows a rotation of the sliding cylinder. The sliding key is a molded product of a metal-molded part and a resinous part. The slidin... | 11/20/2001 |
| 6302971 | Process for making moveable pulley half A pulley useable with a driving belt in a continuously variable transmission, including a moveable pulley half having an integral cylinder portion integrally formed therewith by plastic working. The moveable pulley half includes an axially extending hollo... | 10/16/2001 |
| 6224508 | Trunnion of a toroidal continuously variable transmission and manufacturing process thereof A trunnion (3) of a toroidal continuously variable transmission comprises a pulley (38) having a pulley groove (30) and a notch (37) crossing the pulley groove (38). The trunnion (3) rotates in synchronism with another trunnion by looping an endless wire ... | 05/01/2001 |
| 6209191 | Method for manufacturing pulley integrated type rotor A disk material is plastic-formed to form an inner cylindrical portion of a rotor and a cover member which covers an end side of the rotor. After that, the disk material is slit inwardly from an outside thereof in a radial direction of the disk material t... | 04/03/2001 |
| 6139457 | Sheet metal pulley A sheet metal pulley has a base part and a cylindrical peripheral wall for winding a belt formed integrally with the base part. An ear is disposed in an end part of the cylindrical peripheral wall. The base part is partitioned into an inner peripheral por... | 10/31/2000 |
| 6068241 | Non-slipping pulley Disclosed is a pulley that comprises a metal bearing with an elastomeric material on its outer rim molded into a polymeric wheel, where the coefficient of thermal expansion of the polymeric wheel is at least 1.0×10-6 cm/cm/°C. greater than th... | 05/30/2000 |
| 6041490 | Method for manufacturing pulley integrated rotor A workpiece W2 is grasped by inserting a first jig into a concave portion which is formed in a rotor forming process, and by interfitting a second jig to a convex portion which is also formed in the rotor forming process. Thereby, the workpiece W2 is firm... | 03/28/2000 |
| 6012318 | Method of producing a sheet metal pulley for a V belt The present invention relates to a method of producing a sheet metal pulley for a V belt without cutting which may impair the environment of a factory. A sheet metal pulley for a V belt which is obtained by the production method of the present invention h... | 01/11/2000 |
| 5951422 | Hub and pulley with radially inward annular collar A hub is spun rolled formed of a portion of metal radially displaced from a side of a disc of sheet metal. An annular collar formed of an annular part of the disc extends inward of the hub and creates a blind bore. The collar is integral with the hub and ... | 09/14/1999 |
| 5830095 | Sprocket and manufacturing method thereof A sprocket made of low carbon steel of not more than 0.25 wt % in the carbon content comprising teeth portion which are quenched to a hardness close to the theoretical maximum quenching hardness of 35-55 Rockwell hardness C, and an inside diameter mountin... | 11/03/1998 |
| 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 |
| 5699689 | Method of and apparatus for forming a disc-shaped blank There is provided a method for forming a disc-shaped blank in which a disc-shaped thin plate material is, at an outer peripheral portion thereof, swaged towards an axial side of the plate material with a roll die to thicken the outer peripheral portion an... | 12/23/1997 |
| 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 |
| 5483741 | Method for fabricating a self limiting silicon based interconnect for testing bare semiconductor dice A method for forming a self-limiting, silicon based interconnect for making temporary electrical contact with bond pads on a semiconductor die is provided. The interconnect includes a silicon substrate having an array of contact members adapted to contact... | 01/16/1996 |
| 5476423 | Plastic wheel assembly Disclosed is a method of making a wheel assembly such as a pulley with a bearing. A wheel is molded from a material that shrinks when its temperature falls from a temperature above 100° F. to room temperature. The wheel has a circular opening at its cent... | 12/19/1995 |
| 5195241 | Method of manufacturing a pulley with integral fastener and spacer A one-piece metallic belt driven pulley has a hub, an annular belt engaging wall having an outer belt engaging surface and a radially extending web that connects the hub and belt engaging wall. The hub has an internal bore defined by a tubular inner surfa... | 03/23/1993 |
| 5147249 | Power transmission multi-groove sheave and method of manufacturing the same A power transmission multi-groove sheave and method of manufacturing such sheave wherein each of the grooves of the multi-groove sheave incorporate critical dimensions to make it adaptable for use with any of several commercially known multi-groove sheave... | 09/15/1992 |
| 5147248 | Power transmission sheave and method of manufacturing the same A power transmission sheave and method of manufacturing such sheave wherein the groove of the sheave incorporates critical dimensions to make it adaptable for use with any of several commercially known grooved sheaves and belts therefor, the sheaves havin... | 09/15/1992 |
| 5133694 | Pulley Cheeks (2, 3) in the form of a solid rim are made integral with a pulley body (1) in that their cylindrical inside surfaces (6) are fitted under tension against cylindrical surfaces forming the bottoms of grooves (7, 8). Their positioning is carried out e... | 07/28/1992 |
