Featured patents

Bicycle Derailleur With Rotation Resistance
US 08852041 B2, Oct. 7, 2014, And including belt-shifter mechanism, Sota Yamaguchi et al. / Shimano, Inc. (Sakai, JP)
A bicycle derailleur comprising:…

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

Sound-Damping Unit for a Sprocket, and Sprocket
US 08764593 B2, July 1, 2014, Resilient Connection Between Pulley or Guide-Roll Rim and Mount, Burkhard Grobbel / Ketten-Wulf Betriebs-GmbH (Eslohe-Kueckelheim, DE)
A sprocket, comprising:…

Chain Tensioner Device
US 08771118 B2, July 8, 2014, Tension adjuster has surface in sliding contact with belt, Yuji Matsumochi et al. / Honda Motor Co., Ltd. (Tokyo, JP)
A chain tensioner device comprising:…

Belt-Driven Drive-Train
US 08727921 B2, May 20, 2014, With common belt concurrently engaging input and plural output pulleys, Fabio P. Bertolotti et al. / United Technologies Corporation (Hartford, US)
A drive-train assembly for a power conversion system, comprising:…

Inverted Tooth Chain Sprocket With Frequency Modulated Meshing
US 08668609 B2, March 11, 2014, And each link has integral surfaces forming inwardly opening groove, James D. Young / Cloyes Gear and Products, Inc. (Fort Smith, US)
An inverted tooth chain drive system comprising:…

Bicycle Gear Mechanism
US 08556757 B2, Oct. 15, 2013, For shifting belt from both power input and power output pulleys, Richard J. Kilshaw
A gear assembly, comprising:…

Multi-Speed Sprocket Assembly
US 08550944 B2, Oct. 8, 2013, Coaxial surface is belt-engaging surface on positive drive pulley of different circumference, Patrick Esquibel / SRAM, LLC (Chicago, US)
A multi-speed sprocket assembly for receiving a bicycle chain including…

Incremental Variable Transmission
US 08540596 B2, Sept. 24, 2013, Pulley With Belt-Receiving Groove Formed by Drive Faces on Relatively Axially Movable Coaxial Confronting Members, Johannes Jacobus Naude / Varibox IP (Pty) Ltd. (Randburg, ZA
A variable transmission machine, comprising:…

V-Ribbed Belt Having an Outer Surface With Improved Coefficient of Friction
US 08469846 B2, June 25, 2013, Including plural interconnected and transversely spaced pairs of oppositely facing side-drive surfaces, Paul M. Westelaken / Dayco IP Holdings, LLC (Springfield, US)
A V-ribbed belt comprising:…

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