Endless belt power transmission systems or components inventions 05/09

20090137353 - Expandable pulley: An expandable pulley comprising a plurality of adjacent segments, each segment being radially moveable, each segment slidingly engaged with a pin member, each pin member having an engagement with each segment such that each segment is moveable in a direction substantially at an angle (α) to a radial along each... Agent: The Gates Corporation

20090137354 - Bicycle rear derailleur: A bicycle derailleur is basically provided with a base member, a linkage assembly movably coupled to the base member, a movable member movably coupled to the linkage assembly, and a chain guide movably coupled to the movable member. The movable member includes a resin main body, a metallic coupling member... Agent: GlobalIPCounselors, LLP

20090137355 - Coating liquid for coating glass fiber and rubber-reinforcing glass fiber using the same: A coating liquid for coating glass fiber codes, containing: a chlorophenol-formaldehyde condensate (A) obtained by condensing a chlorophenol (D) and formaldehyde (E) in water; an emulsion of a vinylpyridine-styrene-butadiene copolymer (B); and an emulsion of a chlorosulfonated polyethylene (C).... Agent: Crowell & Moring LLP Intellectual Property Group

20090131207 - Drive configuration and method thereof: A drive configuration for driving one or more rotating sprockets (e.g., of an engine drive train), including a flexible force transmitting member forming a closed curve enclosing an area; a drive sprocket situated outside the area and driving the force transmitting member; first and second pulleys situated at least partially... Agent: Zaretsky Patent Group PC

20090131208 - Tensioner with molded arm: A tensioner for tensioning a flexible drive means is disclosed which has fewer components than comparable prior art tensioners. The tensioner is less expensive to manufacture and assemble and is easily installed. The tensioner includes a tensioner arm molded from a suitable plastic material and a pivot bushing formed from... Agent: Magna International, Inc.

20090131209 - Rocker joint pin type silent chain: In a rocker joint silent chain, the link plates have two different engagement pitches, and the connecting pins are composed of combinations of rocker pins and joint pins, where each rocker pin has one of two thicknesses and each joint pin has one of two thicknesses, so that the rocker... Agent: Howson & Howson LLP

20090124440 - Gear changing mechanism for chain drive: A gear changing mechanism is adapted to engage an endless chain in a chain drive. The mechanism includes a rotary shaft and a gear set located around the shaft. The gear set has a plurality of generally circular gears of different diameter adapted to mesh with the chain, and the... Agent: Mirek A. Waraksa

20090124441 - Housing of a tensioning system with an intergrated spray nozzle: The invention relates to a tensioning system (8) of a traction mechanism (1) to which a hydraulic fluid is applied and which interacts with a tensioning rail (6). The design of the tensioning system (8) provides that in the operating state hydraulic fluid is fed to the traction means (2)... Agent: Lucas & Mercanti, LLP

20090124442 - Tensioner: A tensioner comprising a base, an arm engaged with the base for oscillatory movement, a torsion spring engaged with the base and the arm, the torsion spring exerting a force on the arm, a damping mechanism exerting a frictional damping force between the base and the arm for damping an... Agent: The Gates Corporation

20090124443 - Belt drive: A belt drive of an internal combustion engine, wherein the belt pulleys are connected by an elastomer belt, for creating a mounting position, the belt pulley can be eccentrically pivoted about the screw connection after the screw connection has been removed whereby due to the diminishing distance between the axes... Agent: Hedman & Costigan P.C.

20090124444 - Push-pull chain and actuator: A push-pull chain (1) that can bend in one direction only, and is provided with at least two rollers (12,13) on each of the driving pins, one of the rollers (12) engages a drive sprocket (29) and the other of said at least two rollers (13) engages a chain guide... Agent: Crockett & Crockett, P.C.

20090124445 - Chains for power transmission: A power transmission chain includes a plurality of links and a bending-restraining mechanism. The bending-restraining mechanism includes a wire extending in a lengthwise direction along the chain and engaging at least three adjacent joints of the chain. The wire is formed such that it elastically deforms when an inside link... Agent: Borgwarner Inc. C/o Brown & Michaels, PC

20090118042 - Power transmission chain and power transmission apparatus: A power transmission chain (1) includes connection members (3; 3A; 4) flexibly connecting corresponding links (2) of a plurality of link rows (52; 52; 53). The connection members (3; 3A; 4) include a first power transmission member (3; 3A) and a second power transmission member (4). The chain (1) includes... Agent: Rabin & Berdo, PC

20090118043 - Variable diameter gear device and variable transmissions using such devices: A variable diameter gear device for use in a variable ratio transmission system includes a gear tooth set deployed around an axle which defines an axis of rotation. The gear tooth set includes at least two displaceable gear tooth sequences, each including a multiple gear teeth spaced at a uniform... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20090118044 - Belt tension adjustment mechanism: The present invention relates to a belt tension adjustment mechanism for use with a device including a main body and a belt pulley set. The belt pulley set includes a belt. The belt tension adjustment mechanism includes a slab, at least two tension pulleys and a fixing element. A tight... Agent: Kirton And Mcconkie

20090118045 - Tensioner: A tensioner comprising a cantilever spring having a first arm (13) and a second arm (14), the first arm and the second arm describing an included angle (α), a pulley (30) journalled to the first arm, a mounting portion (11), and a resilient damping member (20) disposed between the first... Agent: The Gates Corporation

20090118046 - Multi-speed bicycle sprocket: An improvement of a multi-speed bicycle sprocket, in which the number of teeth of a tenth sprocket of a rear sprocket assembly is increased to obtain a more laborsaving effect without significantly changing a multi-speed bicycle chain and a rear derailleur. The number of teeth of the tenth sprocket with... Agent: Lai, Sen-biao

20090118047 - Random elastomer cushion rings for a chain sprocket: A sprocket includes a plurality of teeth spaced about its periphery, roots located between pairs of adjacent teeth, and a cushion ring contacted by a chain engaging the sprocket teeth. The roots have root radii defined as the distance between the center of sprocket and the point along the root... Agent: Borgwarner Inc. C/o Brown & Michaels, PC

20090118048 - Hoisting and lowering driving engagement multi-row chain: A hoisting and lowering driving engagement multi-row chain is disclosed, in which bending of the connecting pins in the chain is suppressed to avoid fatigue failure. Additionally, the load carrying balance in the chain width direction is improved, and contact vibrations and contact noises generated between the chain and the... Agent: William P. Oberhardt William P. Oberhardt, LLC