Endless belt power transmission systems or components inventions 04/07

20070093324 - Variable speed transmission: A variable speed transmission of the continuously variable type. The transmission includes an input pulley having primary and secondary sheaves and an output pulley having primary and secondary sheaves. The primary and secondary sheaves of the input pulley are mounted on a first axle shaft carried by an actuator plate... Agent: Young & Basile, P.C.

20070093325 - Generator driving apparatus for hybrid vehicle: A generator driving apparatus for a hybrid vehicle includes an engine pulley mounted at an engine crankshaft. A variable pulley is mounted at a rotational shaft of a motor-generator and is connected via a belt to the engine pulley. An actuator operates the variable pulley. Under such construction, the revolutions... Agent: Morgan, Lewis & Bockius LLP (sf)

20070093326 - Power transmission device: A power transmission device (10) comprises a rotatable rotary part (1) to which a rotatable drive force is transmitted from a drive source and a connection part (2, 3) that connects to the rotary part on one hand, and connecting to a rotating shaft (4) of a device to be... Agent: Posz Law Group, PLC

20070093327 - Front derailleur: A front derailleur that includes a derailleur housing having a tubular clamp and a chain guide coupled to parallelogram arms. A pivotal transfer element transfers the shifting motion through a pull cable to the chain guide. The shifting momentum is supported by a derailleur housing having a support extension extending... Agent: Sram Corporation

20070093328 - Mechanical strap tensioner for multi-strand tensioning: A tensioner for a closed loop power transmission system for an internal combustion engine having a drive shaft terminating in a sprocket and at least one camshaft, each terminating in a sprocket, with a single continuous chain wrapping around all of the sprockets. The tensioner contains a pair of elongated... Agent: Borgwarner Inc. C/o Brown & Michaels, PC

20070093329 - Motion transmission system with sprocket supported by elastic anti-jerk elements: A motion transmission system for motor vehicles, comprising a motion transmission sprocket between a shaft to which the sprocket is connected and a circulating element engaged on the periphery of the sprocket, the sprocket being provided with a plurality of axial seats each suitable for receiving an axial pin for... Agent: Jacobson Holman PLLC

20070093330 - Self-aligning pulley, gear or other rotational member: An improved alignable pulley or sheave assembly includes: (a) a shaft having a rotational axis and an exterior surface which has a portion that is spherically shaped, (b) a pulley having a perimeter and a central opening with an interior surface that is configured so as to allow the pulley... Agent: Larry J. Guffey

20070093331 - Link plate for a plate-link chain: A link plate and a plate-link chain for a vehicle drive. A large number of link plates are articulatingly connected with each other by rocker members, wherein the rocker members run transversely to the longitudinal direction of the plate-link chain. Contact surfaces are formed on the rocker members and on... Agent: Alfred J Mangels

20070093332 - Link plate for a plate-link chain: A link plate and a plate-link chain for a vehicle drive. A large number of link plates are articulatingly connected with each other by rocker members, wherein the rocker members run transversely to the longitudinal direction of the plate-link chain. Contact surfaces are formed on the rocker members and on... Agent: Alfred J Mangels

20070093333 - Link plate for roller chain and manufacturing method thereof: A method of manufacturing a link plate for a roller chain, and the resulting link plate in which (1) the link plate has a shape comprising a pair of right and left pin holes, a pair of right and left half arcs, which are spaced outwardly from the pin holes... Agent: Dann, Dorfman, Herrell & Skillman

20070093334 - Support means system with drive pulley and support means as well as elevator installation with such a support means system: In a support means system a belt-like support means (12.3), which supports a load and which has at least one rib (20.3) or groove with wedge-shaped cross-section extending in the longitudinal direction of the support means (12.3), is driven by a support means pulley (4.3), which has at least one... Agent: Butzel Long

20070087874 - Shift control apparatus and method of continuously variable transmission: A shift control apparatus of a CVT installed in a non-ABS equipped vehicle is arranged to estimate a condition of a transmission ratio of the CVT, to prohibit a shift operation of varying the transmission ratio to a high-speed-side transmission ratio relative to a first predetermined transmission ratio when the... Agent: Foley And Lardner LLP Suite 500

20070087875 - Roller chain automatic transmission: An automatic transmission comprised of toothed sprocket segments to form varying dual sprocket diameters with parallel shafts to achieve a wide range of ratios using scissor-type linkages to vary the sprocket diameters actuated by coordinated hydraulic cylinders in each sprocket assembly which are in turn actuated by a single double... Agent: Patrick R. Scanlon Preti Flaherty Beliveau & Pachios LLP

20070087876 - Multi-stage spring for track tensioning system: A multi-stage spring for maintaining tension in a track of a tracked vehicle is provided. The multi-stage spring can urge the idler wheel in a first manner when the vehicle is accelerated or decelerated. The multi-stage spring can urge the idler wheel in a second manner when debris is caught... Agent: Ralph A. Dowell Of Dowell & Dowell P.C.

20070087877 - Motorcycle chain guide: A chain guide for guiding a chain traveling around a sprocket supported on a frame of a motorcycle is disclosed. Typically, the chain guide includes a plastic chain guide support having a substantially U-Shaped body with a channel formed along an inner surface of the body. The body typically includes... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20070087878 - Standard sprocket for chain: In a chain transmission incorporating a standard roller chain, the diameter of the tooth gap bottom circle of a sprocket in mesh with the chain, is greater than the diameter of the tooth gap bottom circle for a corresponding sprocket having an ISO tooth form.... Agent: Howson And Howson

20070087879 - Circumferential length correcting method and apparatus for metal ring: The invention provides a circumferential length correcting method for a metal ring including: a circumferential length measuring step of passing the metal ring around a driving roller and a driven roller, displacing the driving roller and the driven roller away from each other, and measuring the actual circumferential length of... Agent: Rankin, Hill, Porter & Clark LLP

20070087880 - Sprocket tooth profile for a roller or bush chain: An improved sprocket profile for engaging a roller or bush chain smoothly and preventing radial impact with the root of the tooth during engagement. Contact between the sprocket teeth and the roller chain is altered by providing teeth with a root radius equivalent to that of the chain engaging component,... Agent: Borgwarner Inc. C/o Brown & Michaels, PC

20070087882 - Link plate for a plate-link chain: A link plate and a plate-link chain for a vehicle drive. A large number of link plates are articulatingly connected with each other by rocker members, wherein the rocker members run transversely to the longitudinal direction of the plate-link chain. Contact surfaces are formed on the rocker members and on... Agent: Alfred J Mangels

20070087881 - Plate-link chain for a continuously variable transmission: A plate-link chain for a belt-driven conical-pulley transmission. The chain has a large number of link plates that are articulatingly connected with each other by rocker members, which link plates are positioned one behind the other and are offset from each other transversely relative to the longitudinal direction of the... Agent: Alfred J Mangels

20070087883 - Transmission chain and transmission using the same: The transmission chain includes: a plurality of sets, in which first, second, and third link rows are combined into one unit, each of the link rows having a plurality of links arranged in a chain width direction. In one of the link rows, two links which are adjacent to each... Agent: Mcginn Intellectual Property Law Group, PLLC

20070082769 - Line pressure control device and method for belt type continuously variable transmission: In a line pressure control device for a belt type continuously variable transmission according to this invention, when a line pressure is feedback-controlled to equal a target line pressure which is equal to or greater than the larger of oil pressures supplied to a primary pulley and a secondary pulley... Agent: Foley And Lardner LLP Suite 500

20070082771 - Continuously variable transmission and control method thereof: When a line pressure PL serving as a source pressure of a primary pulley (2) and a secondary pulley (3) is controlled on the basis of a control deviation ΔStep, which is the deviation between a step count StepMdl of a step motor (27) corresponding to a target speed ratio... Agent: Foley And Lardner LLP Suite 500

20070082770 - Speed ratio control device and method for belt type continuously variable transmission: In a speed ratio control device for a belt continuously variable transmission according to this invention, when a speed ratio is subjected to feedback control on the basis of a difference between an actual speed ratio and a target speed ratio, pressure supplied to a primary pulley is corrected through... Agent: Foley And Lardner LLP Suite 500

20070082772 - People mover: A people mover, such as a travelator, moving ramp or escalator, comprises a conveyor. The conveyor comprises a frame having a first frame part secured to a fixed structure, and a second frame part mounted to be movable in relation to the first frame part in the longitudinal direction. The... Agent: Venable LLP

20070082773 - Tensioner mounting structure and initial position setting device: The invention provides a tensioner initial position setting device for a tensioner having a housing, a plunger slidably mounted within the housing, and shoes mounted opposite the bottom of the plunger and the top of the housing, wherein it further including concave grooves or penetration holes formed on both lateral... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070082774 - Power unit with auxiliary machine driving transmission mechanism: In a power unit, a counter shaft of a transmission and a crank shaft of an internal combustion engine, both located below a main shaft of the transmission, are arranged parallel to each other on a separating plane H of a crankcase. In a transmission mechanism T which drives an... Agent: Birch Stewart Kolasch & Birch

20070082775 - Timing chain drive: The present invention relates to a timing chain drive for an internal combustion engine, comprising a crankshaft sprocket and at least one camshaft sprocket, a chain which is wrapped around these two sprockets, and a tensioning device, said tensioning device comprising a pivotable tensioner blade and a chain tightener which... Agent: Marshall, Gerstein & Borun LLP

20070082776 - Roller chain: A roller chain, in which when the roller chain comes into contact with guide members, the contact area is reduced, so that frictional resistance is decreased and friction loss generated during transmission of power is reduced. A roller chain is formed such that an outer link assembly comprising a pair... Agent: Dann, Dorfman, Herrell & Skillman

20070082777 - Friction transmission belt: The present invention provides a friction transmission belt having a friction transmission surface having a rubber composition containing a plasticizer, the plasticizer forming a film on the friction transmission surface, a change in friction coefficient (μ) with respect to a change in slipping velocity (V) indicated by a difference between... Agent: Sughrue-265550