Endless belt power transmission systems or components inventions 10/06

20060240919 - Bicycle transmission: To improve the operating performance of a chain. A bicycle transmission includes an alignment guide located between a drive sprocket and a transmission sprocket cluster for aligning a stagnant chain. The alignment guide consists of a guide roller having an outer circumferential surface for guiding the stagnant part of the...

20060240920 - Chain tension applying device: There is provided a chain tension applying device for a bicycle that can accommodate a change in an axial distance between a frame and a sprocket. A chain tensioner 40 is a device for applying tension to a chain 26, including: a bracket 56; a tension member 58; a securing...

20060240921 - Methods and apparatus for adjusting belt tension of a scrubber: In a first aspect, a method is provided for adjusting tension of a belt of a semiconductor device manufacturing tool. The first method includes (1) coupling an elastic element between a pulley coupled to the belt and a fixed surface of the semiconductor device manufacturing tool; and (2) compressing or...

20060240922 - Apparatus for indicating power transmission belt dynamics: An apparatus for indicating an automotive power transmission belt dynamic is provided. The apparatus includes a belt tensioner including a support housing and an arm rotatably connected to the support housing. A pulley is carried by the arm, the pulley having a belt-engaging surface. A spring is connected to the...

20060240923 - Timing transmission having enhanced timing chain removal and replacement feature, and method: In an internal combustion engine having a timing transmission, tension in the timing chain is released for removal of the chain by pushing a tensioner-urged movable guide away from the chain and holding the guide in a tension-releasing position by a fixing jig inserted through a hole in the timing...

20060240924 - Carriage driving apparatus and image reading apparatus and image recording apparatus using the same: There is disclosed a carriage driving apparatus for reciprocating, along a straight line, a carriage by a timing belt wound around at least a drive pulley and a driven pulley. The apparatus includes: a pulley holder which holds the driven pulley such that the driven pulley is rotatable; a guide...

20060240925 - Tension-reducing random sprocket: A sprocket is provided having a plurality of teeth around its circumference. Adjacent teeth are separated by roots each having a root radius defined as the distance between the center of the sprocket and a point along the root closest to the sprocket center in a radial direction. In one...

20060240926 - Device for auxiliary units of an internal combustion engine: In a device for damping rotary oscillations in a traction mechanism drive for auxiliary units of an internal combustion engine, having an overrunning clutch (27), which is arranged between a pulley (25) and a hub (26), according to the invention a locking device (33) is located between the pulley (25)...

20060240927 - Parallel path accessory drive: The invention provides an accessory drive that is a combination of mechanical and hydraulic components that accepts variable speed input power from a prime mover or engine and transmits that power in a very efficient manner to the output of the device to drive ancillary engine accessories (e.g., cooling fans,...

20060234819 - Mechanical chain tensioner with ratcheting device: A blade tensioner comprising a blade shoe, a sliding surface with a first and a second side, a ratchet rod attached to the distal end of the blade shoe having a length of teeth, and a spring clip for receiving the ratchet rod and being slidable along the second side...

20060234820 - Flat belt: A flat belt has a longitudinal reinforcement fabric to reinforce the flat belt along the longitudinal direction. A first thermoplastic resin layer is laminated on an upper side of the longitudinal reinforcement fabric. A second thermoplastic resin layer is laminated on a lower side of the longitudinal reinforcement fabric. A...

20060229151 - Linear tensioner: A linear tensioner has a longitudinally extending first sleeve having an end configured for pivotal coupling and a longitudinally extending second sleeve having an end configured for pivotal coupling. The second sleeve slidably receives the first sleeve and frictionally engages therewith. A biasing member extends between and is housed by...

20060223660 - Speed changer with pre-determined gears, particularly for cycles: A speed changer is used to control derailleurs using cables from a single rotating handle, the deraileurs being connected respectively to an elastic return element. The speed changer includes at least two cable-manoeuvring mechanisms. The mechanism for manoeuvring the cable of the rear derailleur, which rotates integrally with the handle,...

20060223661 - Wedge-damped blade tensioner: A blade tensioner system for a chain that imparts tension to a chain that drivingly connects to a driven shaft to a drive shaft in an engine. The blade tensioner comprises a blade shoe and mating block. The blade shoe has an arcuately curved chain sliding face, a proximal end...

20060223662 - Alternator for vehicles: In an on-vehicle alternator using a serpentine drive system with a poly-V belt, a damping ratio of the alternator is rendered 0.5 or more as other auxiliary machines by considering six contributors to the damping ratio (i.e., pulley radii, a belt span, a moment of inertia, the number of belt...