Endless belt power transmission systems or components inventions 07/06

20060166768 - Method and apparatus for determining a slippage value that represents a slippage condition between two rotating components: A method for determining a slippage value that shows a slippage condition between two components that transmit torque through frictional engagement, in particular such components that are contained in the power train of a motor vehicle. The effect on the difference in rotational speed between the components of a change...

20060166769 - Hydraulic chain tensioner: In a hydraulic chain tensioner for an engine timing drive, an annular groove is formed on an outer circumferential surface of a plunger, and a friction ring is disposed in the groove. The friction ring is composed of an external resin ring and an internal steel ring incorporated into the...

20060166770 - Gear assembly for a bicycle gear change: Gear assembly for a bicycle gear change, comprising at least one gear with a larger diameter and at least one gear with a smaller diameter. The selected gear, generally of a larger diameter, has at least one sector dedicated to upwards shifting that may include a plurality of shifting aid...

20060160645 - Tensioner with ratcheting device: A tensioner including a housing having a bore, a hollow piston, a piston spring, a check valve between the source of pressurized fluid and hollow piston, and a pawl plate. The hollow piston is slidably received within the bore of the housing and forms a fluid chamber with the bore....

20060160646 - Snap fit belt guard for power trowels: A snap fit belt guard for a power trowel is disclosed, wherein the means for securement includes a series of slots and corresponding tabs. In some embodiments, the belt guard is manufactured, preferably of a pliable material, with the tabs farther apart than the slots, and the belt guard is...

20060160647 - Molded composite pulley: A pulley for a belt drive system includes a belt-running surface and a core disposed to radially support the belt-running surface. The belt-running surface is comprised of a first material including a first polymer resin and the core is comprised of a second material including a second polymer resin, where...

20060160648 - Randomized chain system: A chain and a chain and sprocket assembly for a roller, bush, or inverted tooth chain is disclosed. The chain has at least two types of link plates having different profiles, with at least one type of link plate having a leading corner for interaction with a contact ring on...

20060154759 - Method and apparatus for determining the security of transmission between two frictionally engaged motion transmitting components: A method and apparatus for determining a motion transmission value that provides security of motion transmission between two components that transfer motion through frictional engagement. The motion transmission value provides security of motion transmission through the reaction of the motion transmitted to a change in the contact force between the...

20060154760 - In-series two chain continuously variable transmission: A continuously variable transmission has an input pulley assembly connected to a first transfer pulley assembly with a first chain and a second transfer pulley assembly connected to an output pulley assembly with a second chain. The first transfer pulley assembly and the second transfer pulley assembly shaft a common...

20060154761 - Single chain continuously variable transmission: A continuously variable transmission has a first pulley assembly and a second pulley assembly connected by a chain. At least one of the pulley assemblies has a shaft and a bulkhead secured to the shaft. The shaft has a fixed disk portion. A moveable disk portion is positioned on the...

20060154762 - Single chain continuously variable transmission: A continuously variable transmission has a first pulley assembly and a second pulley assembly connected by a chain. At least one of the pulley assemblies has a shaft and a bulkhead secured to the shaft. The shaft has a fixed disk portion. A moveable disk portion is positioned on the...

20060154763 - Dual ratio belt drive system: A belt drive system comprising a driver member, the driver member rotatably connected to a first driven member by a first endless member, a second endless member rotatably connected between the driver member and a second driven member, a first clutch disposed between the first endless member and the second...

20060154764 - Ram-type tensioner assembly having integral hydraulic fluid accumulator: The invention is directed to a tensioner assembly for providing tensile force from a floating vessel at the surface of the ocean to the blowout preventer stack, or production tree, which is connected to the wellhead at the sea floor. The tensioner assembly compensates for vessel motion induced by wave...

20060154766 - Belt drive system: A belt drive system having a belt having a belt body. A tensile cord disposed in the belt body running along a longitudinal axis. A plurality of belt teeth disposed on an outer surface of the belt body, the belt teeth oriented transverse to the longitudinal axis. A belt land...

20060154765 - Transmission device for an agitator of impression material: The present invention discloses a transmission device for agitator of impression material, wherein belt pulleys are installed on the V-frame of the agitator of impression material and the fixing pole of a motor; complementary rollers are also installed on the V-frame, and belts wrap over those belt pulleys, those complementary...

20060154767 - Bicycle sprocket tooth with a shift assist radius greater than a reference tooth radius: A bicycle sprocket comprises a sprocket body having a first side surface and a second side surface, a plurality of sprocket teeth extending radially outwardly from a root portion of the sprocket body, and a shift assist recess formed in the root portion below a first sprocket tooth at the...

20060154769 - Extensible belt presenting a polyamide 6.6 cord, in particular for an automotive application: The invention relates to an extensible V-ribbed belt 1 presenting a reinforcing structure 5 constituted by a polyamide 6.6 cord, the belt presenting a dynamic modulus at 120° C. and at 2 h lying in the range 7000 N/t/str/% to 10,000 N/t/str/%....

20060154768 - Pulling v-belt: A drive belt for rotational transfer of a force between two or more drive wheels is provided with a tensile element for transferring the force to be transferred between the drive wheels, and a contact body for realising contact between the belt and the drive wheels, the contact body being...

20060154770 - Power transmission belt and method of forming a power transmission belt: A power transmission belt having a body with a length, an inside, an outside, laterally spaced sides, and a plurality of ribs extending lengthwise at one of the inside and outside of the body. The body has a rubber layer at the other of the inside and outside of the...

20060148602 - Transmission for bicycle: A transmission for a bicycle for re-installing a chain in the lateral direction of the bicycle in a front chain wheel having two or more sheets of gear plates, comprising two sheets of guards, i.e., a main guard for re-installing the chain from a middle diameter gear to a large...

20060148603 - Fabric adhesion improvement for epdm based low cost timing belt: The present invention is directed to timing belts having improved fabric adhesion to the tooth facing can be achieved by the use of a combination of a RFL treated fabric and an EPDM body provided the RFL treatment or the body include ZDA or the RF latex is an X-HNBR...