Featured patents

Multiple Sprocket Assembly for Bicycle
US 08845467 B2, Sept. 30, 2014, And including belt-shifter mechanism, Chang Hui Lin
A multiple sprocket assembly comprising:…

Belt Tensioning Device for Being Used With a Starter Generator
US 08821328 B2, Sept. 2, 2014, Plural guide rolls engaging single belt, Manfred Jung et al. / Muhr und Bender KG (Attendorn, DE)
A combined belt drive and belt tensioning device comprising:…

Tensioning Device
US 08708848 B2, April 29, 2014, Tension adjuster or shifter driven by electrical or fluid motor, Junichi Wake / BorgWarner Inc. (Auburn Hills, US)
A tensioning device comprising a tensioner arm which has a chain sliding surface…

Silent Chain Having Deformable Guide Plates
US 08657711 B2, Feb. 25, 2014, Connector or bearing member extending through or positioned in laterally aligned openings in adjacent links is noncircular in transverse cross section, Akira Hirai / Tsubakimoto Chain Co. (Osaka, JP)
A silent chain in the form of an endless loop extending along a direction…

Belt Pulley Damper
US 08641563 B2, Feb. 4, 2014, Resilient Connection Between Pulley or Guide-Roll Rim and Mount, Jürgen Kroll et al. / Schaeffler Technologies GmbH & Co. KG (Herzogenaurach, DE)
A belt pulley damper for attenuating torsional vibrations of a drive shaft…

Tensioning Device
US 08608601 B2, Dec. 17, 2013, Tension adjuster has surface in sliding contact with belt, Ji Yong Kim / BorgWarner Inc. (Auburn Hills, US)
A tensioning device for imparting a tensioning force to a chain having a first…

Sprockets Made of Two Materials With Half Holes on the Edge of Central Portion
US 08574108 B2, Nov. 5, 2013, Positive Drive Pulley or Guide Roll, Yimin Wang / Vpower Racing USA, Inc. (Ningbo, CN)
A sprocket comprising…

Non-Circular Joint Openings in Toothed Plates of Silent Chains
US 08550946 B2, Oct. 8, 2013, Plural links having laterally aligned groove-forming surfaces, Andreas Ritz / IWIS Motorsysteme GmbH & Co. KG (Munich, DE)
A round-pin-joint toothed chain, comprising:…

Angled Spoke Pulley Design
US 08496552 B2, July 30, 2013, System Including Spaced Pulleys Interconnected by a Belt, Charles Raymond Kvasnicka et al. / Ford Global Technologies, LLC (Dearborn, US)
A vehicle belt drive system, comprising:…

Roller Chain Assembly
US 08491430 B1, July 23, 2013, With frame or mount for system, Kevin Eugene Swartz
A roller chain assembly comprising:…

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