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Endless belt power transmission systems or components December patent applications/inventions, industry category 12/11

20110319208 - Belt/chain drive system: In a belt/chain drive system, pairs of drive wheels provided with a helical cut spline on the inner diameter of the drive wheels are mounted on a drive shaft provided with helical cut splines on the outer diameter of the drive shaft. The pairs of drive wheels engage via pairs... Agent:

20110319209 - Integrated bicycle chainring assembly: An improved bicycle chainring assembly. The improved assembly includes at least two integrally formed chainrings configured to be attached to a bicycle crankarm via mounting apertures formed in the assembly. The chainrings of the assembly may be joined with discrete, continuous, or semi-continuous connection structures to achieve any desired degree... Agent: Twdt Precision Co., Ltd.

20110319210 - Continuously variable transmission metal belt, method for manufacturing metal ring of continuously variable transmission metal belt, and method for measuring shape of metal ring of continuously variable transmission metal belt: A continuously variable transmission metal belt includes a metal ring assembly and metal elements. The metal ring assembly includes stacked endless metal rings. Each of the stacked endless metal rings includes a flat peripheral surface and a substantially semicircular end face. The substantially semicircular end face is connected to an... Agent: Honda Motor Co., Ltd.

20110312454 - Tensioner with micro-adjustment feature: In one aspect, the invention is directed to a belt tensioner for tensioning a belt, comprising a pivot shaft that is fixedly mountable with respect to an engine block of an engine, a tensioner arm rotatably mounted to the pivot shaft for pivoting about a tensioner arm axis in a... Agent: Litens Automotive Partnership

20110312455 - Radial damping mechanism and use for belt tensioning: A tensioner for an endless power transmitting element in a drive system is disclosed that includes an arm rotatable about an axis and having a sleeve that includes a ramp face or contoured face, a damper cup having a protrusion and a plate, a spring case that houses the sleeve... Agent: Dayco Products, LLC

20110312456 - Bicycle sprocket: A bicycle sprocket comprises a sprocket body and a plurality of angularly equidistant teeth extending radially and outwardly from an outer periphery of the sprocket body. The sprocket body has a plurality of bottom edges along the outer periphery. The bottom edges extend in a generally circumferential direction of the... Agent:

20110312457 - Sprockets made of two materials with half holes on the edge of central portion: The present sprocket wheel invention enhances the efficiency of the sprockets made of two materials, e.g., a lighter material at central portion of the sprocket and a hard material at peripheral portion of the sprocket comprising teeth, by drilling half holes on the outer edge of the central portion and... Agent: Vpower Racing U.s.a. Inc.

20110312458 - Inverted tooth chain sprocket with frequency modulated meshing: An inverted tooth chain drive system includes a sprocket supported for rotation about an axis of rotation and including a plurality of teeth defined relative to respective tooth centers. The tooth centers are spaced evenly in a circumferential arrangement about the axis of rotation, and each of the plurality of... Agent:

20110306449 - Automotive timing chain system component and method thereof: One embodiment may include an automotive timing chain system component (10, 12) such as a tensioner arm (10) or a chain guide (12) that, during use, bears directly or indirectly against a chain (22) of an automotive timing chain system (14). The component (10, 12) may have an elongated body... Agent: Borgwarner Inc.

20110306450 - Ratchet-based drive belt adjusting device: A ratchet-based drive belt adjusting device includes a rotatory seat having a connecting end to be pivotally connected to a machine tool; a ratchet hole extending along the rotational direction, wherein the ratchet hole has one peripheral edge formed with a plurality of unidirectional ratchets; a through hole for the... Agent:

20110306451 - Drill presses having spring-loaded drive belt tensioners: A drill press includes a motor having a rotatable shaft and a stepped motor pulley mounted on the rotatable shaft, a rotatable spindle and a stepped spindle pulley mounted on the rotatable spindle, and a stepped center pulley located between the motor pulley and the spindle pulley. A first drive... Agent: Black & Decker Inc.

20110306452 - Chain transmission mechanism: The invention provides a chain transmission mechanism capable of alleviating impact and impact noise caused when a chain engages and contacts with a sprocket, of not increasing the impact and impact noise even if the chain transmission mechanism is driven in heavy load and in high speed, of reducing vibrations,... Agent:

20110306453 - Method of manufacturing sprocket segment, and sprocket segment: A method of manufacturing a sprocket segment that is formed by forging as one of a plurality of circumferentially divided parts of a sprocket having a plurality of teeth arranged on an outer peripheral surface of a circular flange, the method includes: forming a material of the sprocket segment into... Agent: Komatsu Ltd.

20110306454 - Sprocket chain: A sprocket chain formed by several pivotally interconnected chain links that have at least one central plate and at least two cover plates which are arranged on both sides of the central plate. The cover plates and the central plate are interconnected using at least two connecting members. The chain... Agent: Schaeffler Technologies Gmbh & Co. Kg

20110300976 - Clutched damper for a belt tensioner: A tensioner including a support structure defining a pivot axis, an arm coupled to the support structure for rotation about the pivot axis, and a damping mechanism. The arm includes a cup having the damping mechanism seated therein. The damping mechanism includes a first tensioner component that is generally cup-shaped... Agent:

20110300977 - Sprocket: In a sprocket comprising a sprocket hub, sprocket teeth and a cushion plate for contacting link plates of a transmission chain, the cushion plate is formed with concave portions at angular positions corresponding to the angular positions of the tips of the sprocket teeth, thereby avoiding contact, or reducing contact... Agent: Tsubakimoto Chain Co.,

20110300978 - Timing pulley: There is provided a timing pulley whose noise is low, which is light-weight, whose pulley structure is simple and which excels in workability. The timing pulley comprises a cylindrical timing hub which is fitted around a power transmitting shaft, a pair of flange members provided apart on both end portions... Agent: Tsubakimoto Chain Co.

20110300979 - Low noise pulley: Low-noise pulleys and methods of constructing low-noise pulleys are disclosed. In a first aspect, first and second pluralities of arms extending radially outward from the outer hub to the outer rim are angularly offset from each other about the axis of rotation to eliminate symmetry across the lateral midline of... Agent: Dayco Products LLC

20110300980 - V-belt: A durable V-belt formed by fastening plate-like elements juxtaposed annularly using a ring. The element comprises a saddle face on which the ring is disposed, columns extending radially outwardly from lateral ends of a saddle face, and flank faces formed on lateral ends of the column to be contacted with... Agent: Toyota Jidosha Kabushiki Kaisha

20110300981 - Friction drive belt: A friction drive belt (B) includes a belt body (10) that is wrapped around pulleys in contact therewith to transmit power. At least a pulley contact portion (15) of the belt main body (10) is made of a rubber composition containing 30-80 parts by mass of at least one layered... Agent: Bando Chemical Industries, Ltd

20110294612 - Chain guide and chain tensioner device: Disclosed is a lightweight and inexpensive chain guide that has little mechanical loss. The chain guide comprises: a plurality of rollers (2) which make contact with a chain; a chain guide base (10) which supports the plurality of the rollers (2) disposed along a direction of travel of the chain,... Agent:

20110294613 - Tensioning rail for power transmission drives on internal combustion engines: A tensioning device for compensating for elongations of the traction mechanism, in particular a chain or a timing belt, of a power transmission drive, in particular on an internal combustion engine, having a tensioning mechanism, in particular a tensioning rail, a sliding shoe or tensioning arm having a tensioning roller.... Agent: Schaeffler Technologies Gmbh & Co. Kg

20110294614 - Belt tensioning system: A system for improving the efficiency of a belt-driven system is provided. The system is particularly adapted for retrofitting tensioners onto existing belt-driven machines or to incorporate a tensioner into an the existing design of a belt-driven machine with limited changes to the specifications of the existing design. The system... Agent:

20110294615 - One-way damped over-arm tensioner: A tensioner for a power transmitting element in a drive system is disclosed. The tensioner comprises a threaded shaft that includes threading and at least one non-threaded end and defines a pivot axis, an arm rotatable about the pivot axis on the non-threaded end of the threaded shaft, a torsion... Agent: Dayco Products, LLC

20110294616 - Seal chain: There is provided a seal chain in which sealing performance of a seal mechanism is enhanced so as to be able to deal with a displacement radially of the connecting pins, and to be able to keep a sealing function for a long period of time even if highly fluid... Agent: