Endless belt power transmission systems or components inventions 10/08

20080261735 - Transmission case for bicycles: To change the transmission gear ratios of a bike and reduce its dimensions as much as possible. The derailleur, located between the two cog sets (2,3), is the latest, newest and a very important device. Both cog sets (2,3) have parallel and reversed rotating axles so that the big diameter... Agent: Young & Thompson

20080261736 - Chain tensioner: A stepped set groove having shallow and deep portions is formed in the inner periphery of a cylinder chamber formed in a housing of a chain tensioner near its open end. A radially and elastically deformable set ring having circumferentially separated ends is received in the set groove in a... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080261737 - Hydraulic tensioner: A check valve unit in a hydraulic tensioner comprises a check ball, a steel ball guide having an inner wall allowing a limited range of longitudinal movement of the ball but restricting its lateral movement, a steel retainer attached to the high pressure oil chamber side of the ball guide,... Agent: Howson And Howson

20080261738 - Chain transmission system: A chain transmission system having a drive sprocket, a driven sprocket, a chain having a front side engaging teeth on the drive sprocket and teeth on the driven sprocket, and a rotary wheel having rubber outer surface. A backside of the chain engages the rubber outer surface of the driven... Agent: Richard M. Sharkansky

20080261739 - V-ribbed belt with improved noise properties: The invention relates to V-ribbed belts (1) which have ribs (5) which run at least on a first side in the longitudinal direction of the V-ribbed belt and which are formed by thermoplastic shaping, and the first side has a layer composed of a textile warp-knit fabric (7) composed of... Agent: Collard & Roe, P.C.

20080261735 - Transmission case for bicycles: To change the transmission gear ratios of a bike and reduce its dimensions as much as possible. The derailleur, located between the two cog sets (2,3), is the latest, newest and a very important device. Both cog sets (2,3) have parallel and reversed rotating axles so that the big diameter... Agent: Young & Thompson

20080261736 - Chain tensioner: A stepped set groove having shallow and deep portions is formed in the inner periphery of a cylinder chamber formed in a housing of a chain tensioner near its open end. A radially and elastically deformable set ring having circumferentially separated ends is received in the set groove in a... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080261737 - Hydraulic tensioner: A check valve unit in a hydraulic tensioner comprises a check ball, a steel ball guide having an inner wall allowing a limited range of longitudinal movement of the ball but restricting its lateral movement, a steel retainer attached to the high pressure oil chamber side of the ball guide,... Agent: Howson And Howson

20080261738 - Chain transmission system: A chain transmission system having a drive sprocket, a driven sprocket, a chain having a front side engaging teeth on the drive sprocket and teeth on the driven sprocket, and a rotary wheel having rubber outer surface. A backside of the chain engages the rubber outer surface of the driven... Agent: Richard M. Sharkansky

20080261739 - V-ribbed belt with improved noise properties: The invention relates to V-ribbed belts (1) which have ribs (5) which run at least on a first side in the longitudinal direction of the V-ribbed belt and which are formed by thermoplastic shaping, and the first side has a layer composed of a textile warp-knit fabric (7) composed of... Agent: Collard & Roe, P.C.

20080254926 - Traction mechanism drive: To avoid inadmissible relaxation of the traction mechanism, in particular in the event of an engine start after a relatively long downtime, the guide rail (1) is configured so as to be adjustably movable at least partially normally with respect to the traction mechanism, is acted on with an adjusting... Agent: Lucas & Mercanti, LLP

20080254927 - Power transmission chain and power transmission device using the same: A power transmission chain used in a power transmission device of the present invention includes: a plurality of link plates having through holes; and a plurality of pin members that are inserted through said through holes and connect said plurality of link plates to one another. An amount of skew... Agent: Birch Stewart Kolasch & Birch

20080248905 - Disengageable pulley device: The disengageable pulley device includes a pulley mounted on an internal transmission element, and a free wheel provided with a plurality of wedges and with a cage for the wedges, said free wheel being designed to provide one-way engagement between the pulley and the internal transmission element. The device includes... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20080248906 - Tensioning system: Hydraulic tensioning system for a flexible drive, in which a longitudinally displaceable piston guided in a housing is subjected to the force of a hydraulic fluid. For this purpose, the hydraulic fluid passes via a feed bore into a supply chamber of the housing. A portion of the hydraulic fluid... Agent: Lucas & Mercanti, LLP

20080248907 - Accessory drive tensioner system: An accessory drive tensioner system may include a bracket, a coupling mechanism, and a biasing member. The bracket may have an aperture therethrough and a tensioner hub coupled thereto. The coupling mechanism may extend through the aperture to rotatably couple the bracket to a mounting member that is fixed relative... Agent: Harness Dickey & Pierce, P.L.C

20080248908 - Silent chain: In a silent chain comprising interleaved and relatively pivotable rows of link plates, protrusions formed in the link plates contact relatively pivotable link plates in adjacent rows so that the area of contact is reduced. The protrusions can be annular, or they can be in the form of arcs that... Agent: Howson And Howson

20080242459 - Transmission, power unit having the same, vehicle, controller for transmission, and method of controlling transmission: To prevent engine speed from increasing during low-speed operation, a transmission includes a change-gear mechanism, a centrifugal clutch, a control unit and a secondary sheave rotation sensor. The change-gear mechanism has an input shaft, an output shaft and an actuator for changing a change-gear ratio between the input and output... Agent: Hogan & Hartson L.L.P.

20080242460 - Guide or tensioning rail in a traction mechanism drive: A guide or tensioning rail in a traction mechanism drive is provided, wherein the guide or tensioning rail has a mounting eye with a sleeve. To simplify the assembly of the rail during assembly of the traction mechanism drive, the sleeve can be locked in the mounting eye.... Agent: Volpe And Koenig, P.C.

20080242461 - Belt and pulley drive for a personal wheeled vehicle: A belt and pulley drive system for a personal wheeled vehicle has a drive pulley for fixed attachment to a rotating power source and a driven pulley for fixed attachment to a wheel of the vehicle. Each of the drive pulley and the driven pulley have a belt engagement face... Agent: Robert M. Downey, P.A.

20080242462 - side bow conveyor chain with inner and outer chain links: The present invention relates to a side bow conveyor chain whose respective chain links are interconnected by a chain hinge which is adapted to be pivoted about a first and a second axis, said chain hinge comprising a pivot bolt which is arranged along said first axis, a pivot pin... Agent: Leydig Voit & Mayer, Ltd