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| Number | Title | Issue Date |
| 8137226 | Silent chain A silent chain that can reduce friction loss during travel of a chain. A silent chain 1 is configured by stacking a large number of link plates 2 comprising a pair of tooth parts 22 and pin holes 21 in the thickness direction and the leng... | 03/20/2012 |
| 7972234 | Silent chain String vibration is reduced without causing friction loss. A silent chain is comprised of a multiple number of link plates, each of which has a pair of tooth portions and pin holes and which are laminated laterally and longitudinally and guide plates which are arran... | 07/05/2011 |
| 7837583 | Silent chain In a silent chain, link plates having two different back heights are arranged so that V-shaped oil guiding walls, opening in the direction of chain travel, are formed on the back of the chain that comes into sliding contact with the shoe of a chain guide. ... | 11/23/2010 |
| 7789783 | Inverted tooth chain system with inside flank engagement An inverted tooth chain includes a plurality of rows. The inside flanks of the leading toes of each chain row project outwardly relative to the outside flanks of the trailing toes of the preceding chain row by a maximum amount λMAX wherein: 0.010×P≦λ... | 09/07/2010 |
| 7780559 | Chain transmission A chain transmission containing two toothed sprockets, a chain and a tensioner where the center (S) of the pitch circle of the driven sprocket (2) lays outside of the circle inscribed by the part of chain (4) mating with the driven sprocket (2).... | 08/24/2010 |
| 7771304 | Double-sided engagement type silent chain In a double-sided engagement silent chain having inner link plates with inwardly protruding teeth, outermost link plates with outwardly protruding teeth, and outer link plates with outwardly protruding teeth, adjacent the outermost link plates, the plates are compos... | 08/10/2010 |
| 7443631 | Tape library storage system including an accessor transport system An apparatus for transporting a storage media cartridge in a data storage library is disclosed. The apparatus includes an accessor, a pinion and a rack having a straight section and a curved section. The curved section includes multiple rack teeth that are capable o... | 10/28/2008 |
| 7419449 | Low friction chain A low friction roller chain, bushing chain or silent chain is composed of links in which at least some of the link plates have convex and/or grooved edge surfaces adapted to slide on the surface of a chain guide. ... | 09/02/2008 |
| 7329198 | Silent chain In a silent chain composed of interleaved rows of link plates held by connecting pins secured to guide plates disposed along the sides of the chain, the guide plates are formed with protrusions, and are deformed so that they exert a spring action on the rows of link... | 02/12/2008 |
| 7320656 | Plate-link chain A drive chain suitable for use in a continuously variable transmission of a motor vehicle, the transmission having two pairs of spaced drive members about which the chain passes to transfer torque from one drive member to the other. The chain includes a plurality of... | 01/22/2008 |
| 7267221 | Silent modular conveyor and conveyor links A silent modular conveyor link adapted for assembly with multiple complementary links to form a conveyor. The conveyor includes a support for supporting items to be conveyed on the conveyor. A plurality of silent teeth extend downwardly from the support for mating e... | 09/11/2007 |
| 7246699 | Conveyor chain A section of chain for conveying product along a material handling system includes a pin connecting a center link between two side links. The pin may be dialable or selectably positioned at the side links to control and adjust the wear surface of the pin relative to... | 07/24/2007 |
| 7229375 | Back drive silent chain system with low profile sprocket A silent chain and sprocket assembly is disclosed for use with a chain tensioner that provides driving contact on both sides of the chain and improved system wear, noise and vibration characteristics without adding to the chain's weight or material costs. The front-... | 06/12/2007 |
| 7179184 | Link chain and method of making, assembling and utilizing the same A link chain for use in the continuously variable transmission of the power train in a motor vehicle is assembled of pairs of composite identical or dissimilar links each having a stack of apertured plates, and of coupling units employing pairs of non-circular pins ... | 02/20/2007 |
| 7137917 | Transport tooth chain with reduced wear on the vertical dimension of its link members Tooth-shaped link member (1) for a transport tooth chain (11) with apertures (2) and two end-terminal toes (3) for the form-fitting engagement with a gear 99), which is geometrically adapted to the configuration of the gear (9 | 11/21/2006 |
| 7094170 | Cushioned sprocket and improved inverted tooth chain for use with same A sprocket for an inverted tooth chain includes at least one and typically first and second resilient cushion rings for adapted to be engaged by the guide links of an associated inverted tooth chain. The sprocket is usable with conventional inverted tooth chains and... | 08/22/2006 |
| 7059985 | Alternating guide power transmission chain A power transmission chain has rows of pivotally connected, interleaved drive links and guide links. One guide link is included in each row of links and the guide links are positioned on alternate lateral sides of the chain in each row. A sprocket that can engage th... | 06/13/2006 |
| 7056248 | Silent chain A Hybrid Roller/Silent chain that has the wear resistance of a roller chain combined with the noise performance of a silent chain. This is accomplished with the use of bushings that allow increased bearing area for the articulating members of the chain, specifically... | 06/06/2006 |
| 7048665 | Power transmission chain having links with lateral spacing elements A chain having a plurality of inside links and guide links. The plurality of inside links each have a pair of apertures and are interleaved and connected to form rows. The plurality of guide links each have a pair of apertures and are placed outside of alternate row... | 05/23/2006 |
| 7048666 | Silent chain power transmitting apparatus A silent chain power transmitting apparatus has an endless link chain having a plurality of link plates (11A,11B,11C, . . . ) connected together, and sprocket wheels (20). Each of an inside flank (13) and an outside flank (14 | 05/23/2006 |
| 7048664 | Link plate for a silent chain A link plate for silent chains includes a pair of teeth, each formed of an inside flank and an outside flank and a pair of pin apertures. A moment of force around a pin M=F×Lo, where F is a force applied by a sprocket tooth against the outside flank, and Lo is a le... | 05/23/2006 |
| 6969332 | Silent chain A silent chain comprises a plurality of link plates, each having a pair of tooth parts and pin holes, stacked in the thickness direction as well as in the length direction and linked together using linking pins. Guide links are provided on the outermost sides of the... | 11/29/2005 |
| 6908407 | Silent chain transmission mechanism A silent chain transmission mechanism includes a sprocket and a silent chain having link interleaved link rows each composed of plural randomly selected link plates and connected together by connecting pins. The outside dimensions of the link plate are smaller than ... | 06/21/2005 |
| 6805646 | Double-sided meshing type silent chain In a double-sided meshing type silent chain, guide plates each having a flat back face formed on one side thereof and a pair of pin-accommodation holes formed therein are disposed at opposite widthwise ends of the chain with the pin-accommodation holes press-fit wit... | 10/19/2004 |
| 6796920 | Silent chain power transmission apparatus In a transmission comprising an endless silent chain and a sprocket the inside tooth faces of the link plates of the chain are identical to tooth profiles, arranged axially, of a hob cutter for forming teeth of the sprocket. The inside and outside tooth faces also s... | 09/28/2004 |
| 6743134 | Silent chain In a silent chain, wear of the connecting pins and bushings, and wear elongation of the chain itself, are suppressed by the formation of through holes in the approximate centers of the teeth of toothed link elements for relieving strains in the inner peripheries of ... | 06/01/2004 |
| 6733410 | Wear-elongation resistant silent chain A wear-elongation resistant silent chain includes guide link rows and articular link rows articulately connected together in an alternate fashion along the length of the chain by connecting pins inserted through respective pin holes of guide plates, guide link plate... | 05/11/2004 |
| 6689003 | Limited articulation chain (inverted tooth or roller) created by "squaring" ends (top and/or bottom) of links/guides of chain A limited articulation chain design that prevents or reduces chain jumping at a given amount of chain slack comprises a chain having a plurality of alternating inner and outer links having ends interconnected by pins, wherein the ends of the outer links a... | 02/10/2004 |
| 6663522 | Random arrangement type silent chain A random arrangement type silent chain is provided, which restricts run-upon and reduces contact noise and vibration noise of the free span of the chain, and also restricts abnormal elongation and excessive load during power transmission. In the silent ch... | 12/16/2003 |
| 6623392 | Short pitch tooth chain A short pitch tooth chain that reduces the level of impact noise generated during operation is disclosed. A chain system includes a first sprocket having a plurality of sprocket teeth spaced apart by a first distance, a second sprocket also having a plura... | 09/23/2003 |
| 6612103 | Link plate for a silent chain To provide a type of link plate for a silent chain characterized by the fact that the link plate can be differentiated by appearance from the other link plates. The link plate has a pair of teeth, each of which has an inside flank surface, an outside flan... | 09/02/2003 |
| 6579200 | Silent chain with a guide washer having a single aperture for a rocker joint pin A silent chain includes guide washers to prevent bending of the connecting pins during prestressing. The chain has multiple link plates, each with a pair of teeth and pin apertures. The links are interleaved in the transverse and longitudinal directions a... | 06/17/2003 |
| 6575861 | Sprocket and chain for limiting chordal fall motion A sprocket for engaging a power transmission chain and for limiting motion of the chain along the radial direction of the sprocket is disclosed. The sprocket supports the chain at the sprocket teeth to limit chain motion in the radial direction of the spr... | 06/10/2003 |
| 6572503 | Rocker joint silent chain A rocker joint silent chain includes rocker joints articulately connecting together multiple interleaved link plates and guide plates located outside the interleaved link plates in the widthwise direction of the chain. Each of the rocker joints is compose... | 06/03/2003 |
| 6533691 | Low noise silent chain Each link plate of a low noise silent chain has an inside meshing surface formed on the inside flank of each link tooth. The inside meshing surface includes a convexly arcuate mesh start portion disposed on a tip side of each link tooth, and a convexly ar... | 03/18/2003 |
| 6485385 | Silent chain Three structural components jointly constituting a single guide link of a silent chain, i.e., two guide plates, at least one guide link plate disposed between the guide plates, and two round connector pins press-fitted in the guide plates are constructed ... | 11/26/2002 |
| 6461263 | Silent chain drive mechanism A silent chain drive mechanism includes a silent chain for transmitting power between a larger sprocket and a smaller sprocket, wherein the inside flanks of one link plate of the silent chain are profiled to project outward of the outside flanks of the ad... | 10/08/2002 |
| 6450911 | Silent chain A silent chain includes a number of interleaved rows of link plates articulately connected together by joint pins. Each of the link plates has a pair of teeth and a pair of pin holes. The link plate further has a tubular portion protruding continuously fr... | 09/17/2002 |
| 6440022 | Double-meshing type silent chain and sprocket for meshing with the chain along outer circumference thereof A double-meshing-type silent chain includes link plates having the identical side profile. Each link plate has two meshing teeth and a flat back face formed opposite to the meshing teeth. Two kinds of links are alternately arranged in the longitudinal dir... | 08/27/2002 |
| 6435996 | Silent chain A silent chain for use with a sprocket has a plurality of interleaved rows of link plates connected together in an endless fashion, each link plate having a pair of teeth. Each of the teeth has an inside flank and an outside flank surface merging at a tip... | 08/20/2002 |
