Endless belt power transmission systems or components inventions 03/07

20070072713 - Dual backlash chain tensioner: A dual backlash tensioner includes a support having a recess therein. A plunger is slidable in the recess and includes a shoe extending outward from the recess. A first resilient member acts between the support and the plunger and urges the shoe outwardly. An oscillatable stop cam having first and... Agent: General Motors Corporation Legal Staff

20070072714 - Combination dust cover and bearing retention member: A rotatable device, such as a pulley, includes an annular rotatable member having a bore extending therethrough and an outer surface disposed about the bore. A bearing is located in the bore. The bearing is operably connected to the annular rotatable member to form an axis of rotation about which... Agent: Dayco Products, LLC

20070072715 - Chain drive: A chain drive in an internal combustion engine, with at least two shafts having at least one chain wheel each, wherein at least one chain wheel is formed of a toothed ring and a hub element, which are connected to one another through detachable attachment elements, and the hub element... Agent: Marshall, Gerstein & Borun LLP

20070072716 - Pulley assembly for maintaining constant position of a bearing outer race relative to a pulley, and method: A method for maintaining constant position of a bearing outer race relative to an axial bore of a pulley comprising providing a pulley having a central axial hub exhibiting a concentric axial bore therethrough, the concentric axial bore having an axial bore surface; providing a bearing having an outer axial... Agent: Dayco Products, LLC

20070072717 - Double-sided engagement type silent chain: In a double-sided engagement type silent chain, the backs of the outermost link plates are made higher than those of the inner link plates, and the inner circumferential surfaces of the outer link plates located adjacent the outermost link plates are provided with a metallic carbide coating and formed in... Agent: Howson And Howson

20070072718 - Silent chain: In a silent chain composed of interleaved rows of link plates held by connecting pins secured to guide plates disposed along the sides of the chain, the guide plates are formed with protrusions, and are deformed so that they exert a spring action on the rows of link plates through... Agent: Howson And Howson

20070072719 - Silent chain: String vibration is reduced without causing friction loss. A silent chain is comprised of a multiple number of link plates, each of which has a pair of tooth portions and pin holes and which are laminated laterally and longitudinally and guide plates which are arranged at outermost positions of the... Agent: Borgwarner Inc.

20070072720 - Silent chain: In a silent chain, the joint row link plates and the connecting pins are subjected to barrelling to improve the smoothness of their contacting surfaces and thereby achieve improved lubrication by an oil film. The edges of the pin holes in the plates are also rounded or chamfered by barrelling... Agent: Howson And Howson

20070072721 - Metallic belt and push block used therefor: A single-band type metallic belt wound between annular V-grooves of a drive pulley and a driven pulley is provided. The metallic belt includes a metal endless band having at least one layer, and a plurality of metal push blocks engaged and superimposed on the band in a manner enabling sliding... Agent: Akerman Senterfitt

20070072722 - Power transmission chain and power transmission assembly using the same: An object of the invention is to provide a power transmission chain capable of effectively reducing noises and a power transmission assembly using the same. In the power transmission chain including plural links each possessing through-holes and plural pins inserted through the through-holes for interconnecting the plural links, all the... Agent: Birch Stewart Kolasch & Birch

20070066426 - Power transmission pulley: The invention relates to a power transmission pulley comprising a pulley element having a ribbed outer outline that is adapted to receive a ribbed belt, and a resilient element interposed between the pulley element and a receiver device for coupling to a member driven by the belt. The pulley includes... Agent: Clark & Brody

20070066427 - Friction damped blade tensioner: The chain tensioner includes a tensioner arm with a blade spring and a wedge-shaped piston. Complementary friction surfaces of a pair of pawls push against the wedge-shaped piston to dampen the motion of the blade tensioner and hence tension the chain. The pawls are urged together and against the piston... Agent: Borgwarner Inc.

20070066428 - Traction mechanism: A traction mechanism, in particular for driving the camshafts of an internal combustion engine, is provided. The mechanism includes a drive wheel, a driven wheel, a traction element and first and second tensioner slide rails. One slide rail can be subjected to a clamping force by a first clamping device... Agent: Crowell & Moring LLP Intellectual Property Group

20070066429 - Drive chain adjustment mechanism of chain-driven vehicle: A drive chain adjustment mechanism for simplifying the tension adjustment work of a drive chain of an all terrain vehicle. The drive chain is wound around a driven sprocket connected to the rear wheels of the vehicle. The mechanism includes a case to which the driven sprocket is coupled; a... Agent: Birch Stewart Kolasch & Birch

20070066430 - Non-circular rotary component: A non-circular sprocket component comprises a rotor (11) having a plurality of teeth (16) arranged around the perimeter of the rotor, each tooth having a crown (9), and each pair of adjacent teeth having a valley (8) therebetween. The crowns of the teeth lie on a curved envelope forming the... Agent: Clark Hill, P.C.

20070066431 - Helically tooth-belt transmission device: Noise and vibration of a helically-toothed-belt transmission device driven under heavy load or at a high-speed rotation, are reduced. A backlash “D” is selectively enlarged in a helically-toothed-belt transmission device that transmits drive force by meshing between a helically toothed belt and a helically toothed pulley. That is, a tooth... Agent: Gates Corporation

20070060427 - Front derailleur chain detachment prevention member: A front derailleur chain detachment prevention member is provided that can be easily removed from a front derailleur. The front derailleur chain detachment prevention member is removably mounted on a front derailleur, and has elasticity. The front derailleur chain detachment prevention member is provided with a mounting part, a connecting... Agent: GlobalIPCounselors, LLP

20070060428 - Toothed wheel of a bicycle drivetrain: A toothed wheel is described with a peripheral portion that comprises a side projection at one or more teeth, projecting with respect to one of the sides of the toothed wheel. The projection provides the necessary guide for the chain and the stability of the coupling between chain and toothed... Agent: Volpe And Koenig, P.C.

20070060429 - Chain and method for blanking hole in chain plate: In blanking holes in plates that comprise a chain, in order to improve the fatigue strength of the chain, a press-punched plate prepared hole, trumpet-shaped, is shaved and made into a straight hole, both ends of the straight hole are chamfered, and further, a multi-step burnishing punch composed of a... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070060430 - Multiple ribbed pulley and system: A multiple ribbed pulley and a pulley and belt system having a pulley rib and groove profile configuration that cooperates with a belt shape when the belt is under a tensile load.... Agent: Jeffrey Thurnau The Gates Corporation, Ms:

20070060431 - Power transmission belt: A power transmission belt having a body with an inside, an outside, and laterally oppositely facing side surfaces. The body has at least one surface that engages a pulley to frictionally transmit forces between the power transmission belt and pulley. The body includes rubber defining at least a part of... Agent: Wood, Phillips, Katz, Clark & Mortimer

20070054764 - Straddle-type vehicle and power unit: In a V-belt continuously variable transmission (CVT) of an ATV, a movable sheave half of a primary sheave is disposed on the outer side in the vehicle width direction with respect to a fixed sheave half, and a sheave drive mechanism for controlling the respective groove widths of the primary... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20070054763 - V-belt continuously variable transmission and straddle-type vehicle: In a V-belt continuously variable transmission (CVT), a sheave drive mechanism includes a movable tube coupled to a movable sheave half of a primary sheave so as to be rotatable with respect thereto and axially movable together therewith, a fixed tube disposed internally of and coaxially with the movable tube,... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20070054765 - V-belt continuously variable transmission and straddle-type vehicle: A V-belt continuously variable transmission (CVT) for a straddle-type vehicle includes a measurement plate for a rotational speed sensor for detecting a rotational speed of a primary sheave shaft to control a speed change ratio. The measurement plate is disposed on an opposite end of the primary sheave shaft, to... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20070054766 - Variable drive apparatus and system: A variable drive apparatus is disclosed. The variable drive apparatus includes a hub about an axis and a plurality of sectors that are movable in a radial direction relative to the axis. The position of the sectors relative to the axis can, among other things, change a drive ratio associated... Agent: Dykema Gossett Pllc

20070054767 - Inner ratchet chain tensioner: In order to provide a plunger retraction preventing mechanism and to reduce the outside dimension of a housing, an inner ratchet chain tensioner includes a housing in which a cylinder is formed, a cylindrical plunger having a bottom and slidable in the cylinder by oil pressure, a flanged cylindrical body... Agent: Wenderoth, Lind & Ponack, L.l.p.

20070054768 - Sintered sprocket with protrusions: A sintered sprocket is formed with protrusions on both sides, arranged along a tooth gap bottom circle and centered on every second tooth. These protrusions engage the outer plates of a roller chain and maintain the chain in centered relationship with the sprocket.... Agent: Howson And Howson

20070054769 - Bicycle cadence variator transmission: A power transmission system used in connection with a vehicle power wheel of a bicycle or other vehicle which has a fixed axle and which utilizes a rotating chain sprocket engaging an endless chain for receiving an input torque and transmitting an output torque. The system includes a transmission cadence... Agent: Harold Armstead Hunter, Jr.

20070054770 - Sprocket support member for a bicycle sprocket assembly: A bicycle sprocket assembly having at least one subassembly including a sprocket support member and two sprockets is presented. The support member has at least one engagement portion for coupling it to a bicycle freewheel and at least one fastening portion arranged in a radially external position with respect to... Agent: Volpe And Koenig, P.c.

20070049435 - Robot and manipulator: A robot has a flexible power transmission member, an input rotation axis rotated by a power generation source, a driving link connected at both ends of the flexible power transmission member, which transmits a rotation torque of the input rotation axis to the flexible power transmission member, and a driven... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070049437 - Bicycle chain rings: Embodiments of the present invention include bicycle chain rings for bicycles having specially shaped ramps, tapers and profiled teeth for improved shifting performance. The embodiments of bicycle chain rings of the present invention may be configured for large chain rings on double cranksets and large and middle chain rings on... Agent: Morriss O'bryant Compagni, P.C.

20070049436 - Bicycle sprocket apparatus with reinforcement between sprockets: A bicycle sprocket apparatus comprises a sprocket support, a first sprocket coupled to the sprocket support at a plurality of circumferentially spaced first sprocket mounting locations, a second sprocket coupled to the sprocket support at a plurality of circumferentially spaced second sprocket mounting locations, and a reinforcement member other than... Agent: Deland Law Office

20070049438 - Roller chain: A roller chain for high load applications has a pin with a diameter that is larger than the pin of an ANSI chain of the same pitch but the chain still falls within the spatial envelope of the ANSI chain so that it can be used on a standard ANSI... Agent: Michael Best & Friedrich, LLP