Endless belt power transmission systems or components inventions 04/09

20090111623 - Pulley assembly with an improved clutch for a continuously variable transmission: A pulley assembly for a continuously variable transmission in a vehicle, comprising a shaft having an axis, a supporting element rotatable about said axis, a first half pulley rigidly and rotationally connected to said supporting element, a second half pulley facing said first half pulley for defining a seat adapted... Agent: Darby & Darby P.C.

20090111625 - Bicycle gearshift: The disclosed bicycle gearshift (20) includes a support member (22) configured for mounting on a bicycle frame, a driving member (24) for driving of a bicycle chain, and at least one articulation arm (28) to movably connect the driving member (24) to the support member (22). The articulation arm (28)... Agent: Volpe And Koenig, P.C.

20090111624 - Front speed change device: A front speed change device comprises a base, a first linking rod, a second linking rod and a chain guide unit. The body serves to fix the body to a seat tube. The first linking rod has one end pivoted to the base and another end thereof is pivoted to... Agent: Chien-hui Su

20090111626 - Chain transmission for use in an engine: In a chain transmission, the guide-contacting portions of inner and outer plates of a chain each comprise a pair of front and rear flat surfaces, an intermediate concave oil-retaining surface and convex connecting surfaces. The lengths of the flat surfaces are such that adjacent flat surfaces of overlapping inner and... Agent: Howson & Howson LLP

20090111628 - Tensioner for a chain or belt: The chain tensioner has a housing with a first part that defines a bore which receives a second part that is tubular. The second part has a bore which receives a plunger. A check valve is disposed in the housing for controlling the delivery of a hydraulic fluid into the... Agent: Lucas & Mercanti, LLP

20090111627 - Tensioner with an adjuster: The present invention relates to a tensioner, in particular a tensioner for a driving chain of an internal combustion engine, comprising a tensioning plunger which is axially movably guided in a plunger bore of a plunger reception means and an adjuster for readjusting the shift of the operating range of... Agent: Leydig Voit & Mayer, Ltd

20090111629 - Tensioner lever for chain drive: In a spring-loaded tensioner lever having a coiled torsion spring accommodated in a space inside the lever, a stopper mechanism, comprising a pin held removably in a hole in the lever, holds an arm of the torsion spring against movement in the unwinding direction while the lever, or the chain,... Agent: Howson & Howson LLP

20090111630 - Belt tension adjusting device of vehicle alternator: The present invention provides, as one aspect, a belt tension adjusting device of a vehicle alternator. The device comprises an adjust bar that has an elongated hole having a rack configuration, one end of the adjust bar being fixed; a belt tension adjusting gear that has a through-hole at the... Agent: Oliff & Berridge, PLC

20090111631 - Bicycle chain rings with ramps: Embodiments of the present invention include bicycle chain rings for bicycles having specially shaped ramps, tapers and profiled teeth for improved shifting performance. Additional embodiments of the bicycle chain rings of the present invention may be configured with one or more additional features formed within the chain rings including a... Agent: Morriss Obryant Compagni, P.C.

20090111632 - Hybrid mesh belt: A hybrid mesh belt having a mesh portion with side edges attached to modular plastic chains. The chains are provided with cavities on the bottom side. The cavities are suitable for engaging with driving sprockets that engage with the chains.... Agent: Hodgson Russ LLP The Guaranty Building

20090111633 - Metal v-belt: A metal V-belt includes a plurality of metal elements supported by a metal ring. The metal ring includes front and rear main surfaces, a pair of left and right slots that receive the metal ring therein, the slots being defined between a saddle surface and an ear-part bottom surface. A... Agent: Arent Fox LLP

20090111634 - Metal belt for continuously variable transmission: Although a radial outside portion of a metal ring contact surface of a neck section of a metal element which is contactably opposed to a side edge of a metal ring of a metal ring assembly has high frequencies of contacting with a side edge of the metal ring, it... Agent: Arent Fox LLP

20090105020 - Flow rate regulation valve, rotating body, and belt-type stepless transmission: A flow control valve is provided in a primary pulley that is a rotor, and includes a first port; a second port; a working fluid channel formed between the first port and the second port and through which working oil passes; a check valve that is formed in the working... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090105021 - Transmission joint pulley assembly: A pulley assembly (1) comprising a hub (2) with an axis (A) and adapted to be rigidly connected to a rotating shaft (3) of an engine assembly, a turning annular pulley (10) of ferromagnetic material supported at least indirectly on the hub (2), a ring (9) of electrically conducting material... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090105023 - Guide for transmission device: In an engine timing chain guide composed of a synthetic resin shoe supported on a frame by L-shaped and strip-shaped engagement members integrally molded as unitary parts of the shoe, the L-shaped members are formed with oblique tongues that resiliently engage side edges of the frame member, and the strip-shaped... Agent: Howson & Howson LLP

20090105022 - Shoe tensioner for a synchronous belt drive for use with oil: A shoe tensioner for a synchronous belt drive, having a guide member adapted to cooperate with a drive belt and hinged at one end about a first axis; elastic means cooperating with the guide member to tension the belt; and connecting means for connecting the tensioner to a supporting wall.... Agent: Davidson Berquist Jackson & Gowdey LLP

20090105024 - Chain transmission: A hybrid chain comprises outer links composed of link plates connected in side-by-side relationship by two connecting pins fitted to holes in the outer plates, and inner links composed of link plates in spaced, side-by-side relationship and connected by two bushings on which rollers are mounted, the bushings being fitted... Agent: Howson & Howson LLP

20090105025 - Power transmission chain and power transmission apparatus: When disposing pins of different shapes at random, pins of small involute base circle radius are made not to be arranged contiguously, pins of relatively small length are made not to be arranged contiguously, and pins of relatively outward offset are made not to be arranged contiguously.... Agent: Mcginn Intellectual Property Law Group, PLLC

20090105026 - Power transmission chain and power transmission apparatus: In a minimum operation radius, long links are present one or more nodes at all times, and an upper limit to the number of long links is such that long links are present half or less of nodes that bite into a pulley.... Agent: Mcginn Intellectual Property Law Group, PLLC

20090105027 - Flat belt: A flat belt that enables the degree of wear thereof to be visually or tactually determined is provided. There is provided a flat belt that has a surface contacting a pulley and a recess formed thereon for detecting wear.... Agent: The Webb Law Firm, P.C.

20090098961 - Internal combustion engine, vehicle power transmission system and lawn tractor equipped with them: An internal combustion engine comprises: a crankshaft; an oil pan; and an output shaft supported by the oil pan. The output shaft is disposed perpendicular to the crankshaft, and is drivingly connected to the crankshaft.... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090098962 - Gear assembly for a bicycle gear change: Gear assembly for a bicycle gear change, comprising at least one gear with a larger diameter and at least one gear with a smaller diameter. The selected gear, generally of a larger diameter, has at least one sector dedicated to upwards shifting that may include a plurality of shifting aid... Agent: Volpe And Koenig, P.C.

20090098963 - Bicycle rear derailleur: A bicycle rear derailleur is provided with a base member, a movable member, a moving mechanism and an angular adjustment arrangement. The base member includes a first support portion and a first axle with the first support portion being pivotally mounted on the first axle. The movable member includes a... Agent: GlobalIPCounselors, LLP

20090098964 - Transmission of bicycle: The present invention relates to a transmission of a bicycle comprising 2 or more front and rear sprockets, a chain transmitting power between the front sprockets and the rear sprockets, front and rear gearing devices for moving the chain left and right, a centrifugal device rotating with the rear sprockets,... Agent: Ipla P.A.

20090098965 - Traction mechanism drive for machine parts and drive assemblies: The invention relates to a traction mechanism drive (1) for machine parts and drive assemblies, for example, in automotive engineering, with an endless traction element (2), wherein the traction element (2) is guided by driving and driven wheels (3, 4, 5), and with a tensioning rail (10) that can pivot... Agent: Volpe And Koenig, P.C.

20090098966 - Bicycle rear sprocket assembly: A bicycle rear sprocket assembly has a sprocket carrier, a first sprocket, a second sprocket and a third sprocket. The first and second sprockets are attached to opposite axial sides of the outer end portion of the attachment member of the sprocket carrier using a common fastener that extends through... Agent: GlobalIPCounselors, LLP

20090098967 - Tensioning or deflector pulley in particular for the belt drive on an internal combustion engine: The invention relates to a tensioning or deflector pulley, in particular for the belt drive on an internal combustion engine, essentially comprising a plastic or steel running pulley, formed by an inner hub ring, an outer running ring and a pulley disc, connecting both rings to each other, with a... Agent: Lucas & Mercanti, LLP

20090093328 - Toothed belt pulley: The invention describes a belt pulley (1) for a wet belt application, with a pulley body (2) comprising toothing (5) incorporating teeth (6) on an end face (4) for a toothed belt, and a tooth gap (7) with a tooth gap base (12) is disposed between every two teeth (6),... Agent: Collard & Roe, P.C.

20090093329 - Chain noise reduction device: A cushion ring (102) is received in a concentric groove in a sprocket (112) with teeth and a hub. More specifically, the groove is defined between an annular portion of the hub and the teeth. The cushion ring has an inner ring (106) and an outer ring (104). The outer... Agent: Borgwarner Inc. C/o Brown & Michaels, PC