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Endless belt power transmission systems or components April category listing, related patent applications 04/12

20120100943 - Pulley for belt transmission device, notably for a belt speed-variator, and belt speed-variator incorporating such a pulley: A pulley for a belt transmission device of the type including at least one shaft and two flanges supported by the shaft, one of the flanges, recessed centrally and received so as to fit onto the shaft for an axially free installation being fitted with return elements to return in... Agent: France Reducteurs

20120100944 - Electrical control belt continuously variable transmission system: An electrical control belt continuously variable transmission system controls a movable driving half-pulley or movable driven half-pulley initiatively, by changing a driving interval between the movable driving half-pulley and a fixed driving half-pulley or a driven interval between the movable driven half-pulley and a fixed driven half-pulley, respectively, depending on... Agent: Industrial Technology Research Institute

20120100945 - Power transmission mechanism: The present power transmission mechanism comprises: a first rotation member mounted integrally rotatably on the rotation shaft of a drive apparatus; a second rotation member rotatable integrally with or relative to the first rotation member; an elastic member interposed between the first and second rotation members which, when the first... Agent: Mitsuboshi Belting Ltd.

20120100946 - Chain: To provide a chain having a mechanism for preventing backbend which does not cause any reduction in power transmission efficiency when the chain is operating, which can suppress string vibration in the chain spans, and which is highly durable. A mechanism for preventing backbend is provided, in the chain length... Agent: Borgwarner Inc.

20120094791 - Isolation damper pulley for vehicle: A damper pulley for a vehicle may include a damper portion connected to a crankshaft, a pulley portion connected to the damper portion, and a bearing portion disposed between the damper portion and the pulley portion, wherein the bearing portion includes a first bearing supporting a load applied in an... Agent: Hyundai Motor Company

20120094792 - Torque biased friction hinge for a tensioner: A pivot joint for a single blade spring tensioner or double blade spring tensioner generates a biased friction loss at a pivot joint. The friction torque generated in one direction of joint rotation is greater than the friction torque generated in the opposite direction of rotation. In one embodiment, the... Agent: Borgwarner Inc.

20120094793 - Belt tensioning unit: A belt tensioning unit (1′), in particular for a belt pulley plane of an internal combustion engine, including a base part (2) arranged in a rotationally fixed manner and a tensioning part, which is mounted on the base part (2) and can perform relative rotations to a limited extent about... Agent: Schaeffler Technologies Gmbh & Co. Kg

20120094794 - Universal child safety tensioner for roller blind: The present invention is a tensioner for securing a loop of roller blind chain to a window frame and to a wall adjacent the window frame. The tensioner includes a member having a top portion with a peripheral edge, a bottom portion, opposite end portions, opposite side portions, and a... Agent:

20120094795 - V-shaped transmission belt and belt wheel and method of use: The V-shaped transmission belt has concave and convex teeth on the inner diameter surface which are designed according to the engaging transmission principle. For the belt wheel with a V-shaped groove, the concave tooth on the bottom of the V-shaped groove comprises an engaging transmission section designed according to the... Agent: Zhejiang Kingland Transmission Industry Co., Ltd.

20120094796 - Resin pulley: A resin pulley includes an outer cylindrical portion including an outer circumferential surface on which a belt is to be wound, an inner cylindrical portion, and a plurality of ribs connecting an inner circumferential surface of the outer cylindrical portion and an outer circumferential surface of the inner cylindrical portion,... Agent: Jtekt Corporation

20120088615 - Cvt pulley with engineered surface: A pulley for a continuously variable transmission and a method of creating an engineered surface on an outer surface of a pulley of a continuously variable transmission, with the engineered surface engaging with a belt or chain of the continuously variable transmission. The method comprising the steps of: determining an... Agent: Gm Global Technology Operations, Inc.

20120088616 - Isolator with damping: An isolator comprising a hub, a pulley frictionally engaged with the hub through a bushing for instantaneous rotational movement, the bushing and hub having a coefficient of friction, a resilient member engaged between the pulley and the hub for transmitting a torque, and a locking member for retaining the pulley... Agent: The Gates Corporation

20120088617 - Engine drive system: A system for an engine drive that engages a single timing band with a camshaft, a crankshaft and various accessory drives in such a configuration that the camshaft is rotated in a direction opposite that of the crankshaft, while ensuring a reflex wrap angle around each drive sprocket coupled to... Agent: Ford Global Technologies, LLC

20120088618 - Derailleur: A derailleur 10, for moving a chain 60 to different sized sprockets arranged small to large in a sprocket nest 101 is disclosed. The derailleur 10 has a feed arm for directing the chain 60 onto one of multiple sprockets within the sprocket nest 101. The feed arm 11 is... Agent: Zike LLC.

20120088619 - Chain plate having increased press out force and method for making same: An outer plate for a chain is disclosed, the outer plate having two bores each adapted to receive an end of a pin. Each one of the bores has an inner wall with a layer of imbedded abrasive material. A chain assembled from the outer plates and the pins is... Agent: Schaeffler Technologies Gmbh & Co. Kg

20120083371 - Bicycle derailleur with rotation resistance: A bicycle derailleur comprises a base member, a movable member movably coupled to the base member, and a chain guide coupled to the movable member for rotation around a rotational axis. A resistance applying element applies resistance to rotational movement of the chain guide. A resistance control element moves between... Agent: Shimano, Inc.

20120083372 - Bicycle derailleur with rotation resistance: A bicycle derailleur comprises a base member, a movable member movably coupled to the base member, and a chain guide coupled to the movable member for rotation around a rotational axis. A resistance applying element applies resistance to rotational movement of the chain guide, and a resistance control element moves... Agent: Shimano, Inc.