Featured patents

Bicycle Chain Rings With Ramps
US 08821329 B2, Sept. 2, 2014, Belt Guide Has Surface in Sliding Contact With Belt, Christopher A. Wickliffe et al. / Wick Werks, LLC (Ogden, US)
A bicycle chain ring for engaging a bicycle chain having a plurality of chain…

Inverted Tooth Chain Sprocket With Frequency Modulated Meshing Features
US 08708849 B2, April 29, 2014, Positive Drive Pulley or Guide Roll, James D. Young / Cloyes Gear and Products, Inc. (Fort Smith, US)
A sprocket comprising:…

Belt-Driven Conical-Pulley Transmission and Motor Vehicle With Such a Transmission
US 08690716 B2, April 8, 2014, Fluid pressure actuator for adjustment of member, Hartmut Faust / Schaeffler Technologies GmbH & Co. KG (Herzogenaurach, DE)
A belt-driven conical-pulley transmission 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:…

US 08647223 B2, Feb. 11, 2014, Belt has oppositely facing side drive surfaces, Shinya Kuwabara / Toyota Jidosha Kabushiki Kaisha (Toyota-shi, JP)
A V-belt, comprising:…

US 08602932 B2, Dec. 10, 2013, Plural links having laterally aligned groove-forming surfaces, Masatoshi Sonoda et al. / Tsubakimoto Chain Co. (Osaka, JP)
A silent chain in the form of an endless loop comprising:…

Pulley for Use With Toothed Belt
US 08562468 B2, Oct. 22, 2013, With particular belt, Masaru Kanamori et al. / Tsubakimoto Chain Co. (Osaka, JP)
A pulley for use with a toothed belt, the pulley comprising:…

Vibration Compensating Pulley
US 08550945 B2, Oct. 8, 2013, Friction Drive Pulley or Guide Roll, Gary J. Spicer et al. / Litens Automotive Partnership (Woodbridge, CA)
An apparatus comprising:…

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:…

Switchable Drive Pulley With Electrically Actuated Friction Disc Torque Transfer Mechanism
US 08512185 B2, Aug. 20, 2013, And ball or roller bearing for mounting pulley or guide roll on support, Benjamin Baer et al. / Schaeffler Technologies AG & Co. KG (Herzogenaurach, DE)
A switchable drive pulley system that allows driving engagement or disengagement…

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