Featured patents

Lubricant and Oil-Free Chain
US 08795112 B2, Aug. 5, 2014, Link including common member forming laterally spaced sides of opening for pulley tooth, Koji Tanaka / Tsubakimoto Chain Co. (Osaka, JP)
An oil-free chain constructed by alternately connecting a pair of outer link…

Power Transmission Device
US 08753239 B2, June 17, 2014, Guard or Housing for Belt or Pulley, Kazuhiko Nishimiya et al. / Toshiba Mitsubishi-Electric Industrial Systems Corporation (Tokyo, JP)
A power transmission device, comprising:…

Ring-Type Tensioner
US 08740736 B2, June 3, 2014, Tension adjuster or shifter driven by electrical or fluid motor, Yuji Kurematsu et al. / Tsubakimoto Chain Co. (Osaka, JP)
A ring-type tensioner, comprising:…

Transmission Guide
US 08740737 B2, June 3, 2014, Belt Guide Has Surface in Sliding Contact With Belt, Kaori Mori et al. / Tsubakimoto Chain Co. (Osaka, JP)
A transmission comprising a transmission chain having right and left sets of link…

Bicycle Derailleur and Method
US 08678962 B2, March 25, 2014, And including belt-shifter mechanism, Brian Jordan / SRAM, LLC (Chicago, US)
A front derailleur for a bicycle having a frame member and a chain engaging…

Rear Derailleur
US 08678964 B2, March 25, 2014, And including belt-shifter mechanism, Chang Hui Lin
A rear derailleur of sleeve-axle type, comprising:…

Bicycle Sprocket Assembly
US 08696503 B2, April 15, 2014, Coaxial surface is belt-engaging surface on positive drive pulley of different circumference, Koji Tokuyama et al. / Shimano Inc. (Osaka, JP)
A bicycle sprocket assembly comprising:…

Chain Tensioner
US 08574107 B2, Nov. 5, 2013, Tension adjuster or shifter driven by electrical or fluid motor, Yoshikazu Nakano et al. / Tsubakimoto Chain Co. (Osaka, JP)
A chain tensioner, comprising:…

Belt Drive System Assembly and Tension Apparatus
US 08506435 B2, Aug. 13, 2013, Means for Adjusting Belt Tension or for Shifting Belt, Pulley or Guide Roll, Brendan H. Geraghty / Thermo King Corporation (Minneapolis, US)
A tension apparatus for a belt drive system including a plurality of components…

Plate-Link Chain
US 08500582 B2, Aug. 6, 2013, Multiple connector or bearing members extend through or positioned in common opening, Andreas Triller et al. / Schaeffler Technologies AG & Co. KG (Herzogenaurach, DE)
A plate-link chain for a motor vehicle drive system, said chain comprising:…

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