Endless belt power transmission systems or components inventions 05/08

20080125254 - Drive shaft rotation direction switching device: A rotation direction switching device for switching the rotation direction of a drive shaft includes a pulley unit for switching the rotation direction of the drive shaft. The pulley unit has a forward rotation drive belt and a reverse rotation drive belt. The forward rotation drive belt extends between the... Agent: Arent Fox LLP

20080125255 - Drivetrain for utility vehicle: A utility vehicle drivetrain includes an engine driving a continuously variable transmission (CVT) that drives a transaxle that drives at least one wheel. The continuously variable transmission has a CVT turn ratio defined as an engine output rotary speed into the CVT divided by a CVT output rotary speed into... Agent: The Law Office Of Randall T. Erickson, P.C.

20080125257 - Belt-type continuously variable transmission and straddle-type vehicle equipped with the same: A belt-type continuously variable transmission (CVT) with reduced vibration at high engine speeds. A secondary sheave includes a fixed sheave member, a moving sheave member, a compression coil spring, and an outside spring guide. The compression coil spring urges the moving sheave member toward the fixed sheave member. The outside... Agent: Hogan & Hartson L.L.P.

20080125256 - Belt-type continuously variable transmission and straddle-type vehicle including the same: A belt-type continuously variable transmission that is easily manufactured includes a belt wound around a primary sheave and a secondary sheave. The primary sheave includes a fixed sheave member, a movable sheave member, a cam plate, and a roller weight. The movable sheave member has a guide rib extending toward... Agent: Hogan & Hartson L.L.P.

20080125258 - Bicycle rear derailleur: A bicycle base member adjustment assembly is provided for a base member of a rear derailleur. The bicycle base member adjustment assembly basically has a base member stopper plate, a biasing force adjustment member and a biasing force adjusting element. The biasing force adjusting element is operatively coupled between the... Agent: GlobalIPCounselors, LLP

20080125259 - Bicycle rear derailleur: A bicycle rear derailleur includes a base member, a movable member, a chain cage, a first pulley, a second pulley and a chain guard member. The base member is configured to be mounted to a bicycle. The movable member is movably coupled to the base member. The chain cage is... Agent: GlobalIPCounselors, LLP

20080125260 - Tensioning device for a traction element drive with an improved axial-bearing arrangement: Tensioning device (1) for a traction element drive, such as a belt or chain drive, with a tensioning arm (4), which can pivot relative to a body (2) about a pivot axle (3) and on whose distal end a roller (5) supported rotatably is arranged for tensioning the traction element,... Agent: Volpe And Koenig, P.C.

20080125261 - Inner atv sprocket guard: An inner ATV sprocket guard that is larger in diameter then the sprocket and mounts to the same rotating assembly as the sprocket and mounts close to the chain providing additional protection for the sprocket and aids in guiding the chain onto the sprocket.... Agent: Lazarus Sommers

20080125262 - Chain for use in automobile engine: The pins of a roller chain or rollerless bushing chain for an automobile engine are subjected to chromizing treatment that forms a two part outer layer having a thick inner section composed primarily of Cr7C3 and a thinner, outermost, layer composed primarily of Cr23C6. The outer layer has convex protrusions... Agent: Howson And Howson

20080125263 - Spliceless baler belt: An endless elastomeric belt is comprised of one or more reinforcement layers, and one or more elastomeric layers, wherein at least one of the reinforcement layers is formed of strips that are spirally wound forming a helix. A method of making an endless belt is provided and includes the steps... Agent: Wood, Herron & Evans, LLP

20080119308 - Control device and control method for continuously variable transmission: When a speed ratio (ip) at a stopping time of the vehicle cannot be stored, an operating position of a step motor (27) is initialized to a home position such that a primary pulley pressure (Ppri) is completely drained, a secondary pulley pressure (Psec) is increased to a predetermined pressure... Agent: Foley And Lardner LLP Suite 500

20080119309 - Hydraulic traction element tensioner with integrated tension-force limiting: Traction element tensioner (1), which is preferably a hydraulic traction element tensioner for a chain drive, with a housing (2), which holds a tensioning piston (3) that can move axially and that is adjacent to a tensioner high-pressure space (4). The tensioner high-pressure space (4) is fed via a fluid... Agent: Volpe And Koenig, P.c.

20080119310 - Rotary tensioner: An assembly for maintaining tension in a drive belt features a housing mounted on a base. The housing contains a biasing element that exerts torque on the housing to bias the housing. An arm is connected to the housing and rotates with the housing in response to the bias of... Agent: Dann, Dorfman, Herrell & Skillman

20080119311 - Tensioning device for a traction mechanism drive: Tensioning device (1) for a traction mechanism drive, such as a belt or a chain drive, with a tensioning arm (4), which can pivot about a pivot axle (3) relative to a body (2) and on whose distal end there is a roller (5) supported so that it can rotate... Agent: Volpe And Koenig, P.c.

20080119312 - Bicycle outer chain link: An outer chain plate is configured to aid in downshifting such that a chain moves more smoothly from an outer chain ring (sprocket) to an inner chain ring (sprocket) with either no downshifting recess being provided on the outer chain ring or at least a shallower than normal downshifting recess... Agent: Global Ip Counselors, LLP

20080113835 - Eccentric tensioning device: An eccentric tensioning device for tensioning a traction means constructed, for example, as a flat or toothed belt in a traction means drive, is provided. Advantages are provided for the installation of tensioning devices and in the integration of the traction means in the traction means drive under assembly-specific aspects.... Agent: Volpe And Koenig, P.c.

20080113836 - Automatic tensioning mount for belts: Systems, methods and apparatus are described in which in some embodiments, an automatic tensioner employs a puller assembly with a first indicia coupled to a fix base by a movement mechanism, a belt side assembly with a second indicia attached to one end of a belt, and a spring mechanism... Agent: Ramirez & Smith

20080113837 - Tension or guide rail with an installation channel: A tension or guide rail for a flexible drive means, in particular for a timing chain of an internal combustion engine, with a carrier body and guide track which can be pressed onto the flexible drive means, where the tension or guide rail comprises an installation channel which is independent... Agent: Marshall, Gerstein & Borun LLP

20080108463 - V-belt continuously variable transmission for small vehicle, and straddle-type vehicle: A primary sheave 113 and a secondary sheave 123 each forming a V-groove with a variable width for receiving a belt are provided. A case 105 for housing the primary sheave 113 and the secondary sheave 123 is formed with an opening 110 for sucking and exhausting air into and... Agent: Hogan & Hartson L.l.p.

20080108464 - Vibration compensating pulley: A pulley has a hub and a rim. The hub is configured to be mountable on a driving shaft. A driving connection between the hub and rim is provided. In a first embodiment, a drive mechanism is operable to configure the rim between a circular profile and a non-circular profile.... Agent: Clark Hill, P.c.

20080108465 - Method and apparatus for shifting a bicycle transmission: A control mechanism for controlling a bicycle transmission to set a speed stage of a bicycle comprises a shift command communication path for communicating electronic shift commands to select a speed stage of the bicycle, a transmission command communication path for communicating information for controlling the operation of the bicycle... Agent: Deland Law Office

20080108466 - Power transmission belt: A power transmission belt. The power transmission belt includes the following: a backing layer; a body having a top surface and a bottom surface, the bottom surface joined with the backing layer, the top surface including a plurality of teeth, and the body including a plurality of reinforcing cords positioned... Agent: Dayco Products, Llc

20080102997 - Vehicle transmission: A vehicle transmission includes a crankshaft extending through a seal cover and into an oil-storing end portion of a driven shaft. The oil-storing end portion of the driven shaft defines a lubricating space filled with lubricating oil, and extends into the seal cover. A unidirectional clutch is disposed in the... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20080102998 - Nonrotational torque sensing belt drive: A belt drive includes first and second sheave halves disposed on a pinion that slide axially with respect to each other when a load on the v-belt increases or decreases but do not rotate with respect to each other.... Agent: Deere & Company

20080102999 - Belt tension adjustment apparatus and robot arm having the same: A belt tension adjustment apparatus and a robot arm having the belt tension adjustment apparatus are disclosed. The belt tension adjustment apparatus includes a tension measurement part for measuring tension of a belt running on an endless track, a tension adjustment part for pressing the belt in a direction inclined... Agent: Marger Johnson & Mccollom, P.C.

20080103000 - Low profile rear derailleur: A bicycle rear derailleur comprises a base member, a movable member that supports a chain guide including a pulley that rotates around a pulley axis, and a linking member coupled between the base member and the movable member so that the chain guide moves laterally relative to the base member... Agent: Deland Law Office

20080103001 - Power transmission belt: A power transmission belt has a compression section, a tension section, and a load carrying section. The load carrying section has a plurality of reinforcing cords. The reinforcing cords are formed from poly(p-phenylene-2,6-benzobisoxazole) (PBO). In each reinforcing cord, the cords have a yam twist greater than the cord twist, and... Agent: Wood, Herron & Evans, LLP