Endless belt power transmission systems or components inventions 03/08

20080070728 - Phasing of chains, sprockets, and gears to provide enhanced noise vibration and harshness reduction: A method for reducing NVH in a vehicle having the steps of providing at least one repeating event, replicating at least one component, and delaying at least one equivalent part. The repeating event is a complete cycle, such that the repeating event ends when the cycle begins to repeat itself.... Agent: Warn, Hoffmann, Miller & Ozga, P.C.

20080070729 - Continuously variable drivetrain: Drivetrains and frames for vehicles, equipment, machines, etc. Some embodiments of the drivetrains and frames are particularly suited for human powered machines, such as bicycles and exercise equipment. In some embodiments, a drivetrain includes a reciprocating crank coupled to a crank pivot. A lever couples to the crank via a... Agent: Knobbe Martens Olson & Bear LLP

20080070731 - Camshaft drive system for internal combustion engine: A camshaft drive system for an internal combustion engine includes a drive sprocket fixed upon a crankshaft of the engine and a driven sprocket fixed upon a camshaft of the engine. A flexible power transmission element extends between the drive sprocket and driven sprocket. A tensioning device for the flexible... Agent: Dickinson Wright PLLC

20080070730 - Simplified and adaptable flexible drive tensioner: A device for tensioning a flexible drive member includes a pair of opposing contact elements adapted to simultaneously engage upper and lower spans of the flexible drive member. The device further includes a connecting member to draw the contact elements together and position the contact elements at a selected distance... Agent: Marger Johnson & Mccollom, P.C. - Xerox

20080070732 - Gemini chain system with resonance elimination feature: An extension from an element of a first chain contacts a second chain in a phased chain system such that the extension reduces resonance of the second chain. Preferably, an extension from an element of the second chain contacts the first chain to reduce resonance in the first chain. The... Agent: Borgwarner Inc. C/o Brown & Michaels, PC

20080064543 - Three axis drive apparatus: A pulley drive mechanism 26 for driving a second pulley 23 includes: a spline shaft 27 rotated integrally with the second pulley 23, for supporting the second pulley so that the second pulley can be moved in the direction of Y-axis in the drawing; a third pulley 28 arranged at... Agent: Sughrue-265550

20080064544 - Bicycle derailleur: A bicycle derailleur mounting structure includes a base member and a stopper. The base member includes a first portion configured for attachment to a bicycle frame. The first portion of the base member has a first side surface and a second side surface with an aperture extending between the first... Agent: GlobalIPCounselors, LLP

20080064545 - Bicycle rear derailleur: A main derailleur body includes a first end and a second end. The first end of the main derailleur body is configured to be mounted to a bicycle. A chain cage is pivotally coupled to the second end of the main derailleur body between at least a first orientation and... Agent: GlobalIPCounselors, LLP

20080064546 - Hydraulic chain tensioner with reduced piston pressure: A hydraulic chain tensioner, whose high-pressure chamber receiving a chain tensioner piston mounted counter to a spring is connected to an oil supply chamber of the tensioner, which communicates with the oil gallery of the engine, wherein in the oil supply to the chain tensioner, particularly in the wall of... Agent: Hedman & Costigan P.C.

20080064547 - Method for the operation of a transmission device with several hydraulically actuated shift elements: A method is described for the operation of a transmission device (3) with several shift elements (5, 6) actuated hydraulically by a pressure source (4) for engaging and disengaging various transmission ratios and with several electric actors (7, 8) of a hydraulic system of the transmission device (3) for the... Agent: Davis Bujold & Daniels, P.l.l.c.

20080064548 - Automated multi-function desk for use in a post office: The invention provides an automated multi-function desk for use in a post office, comprising a processor electrically coupled to each of: an input device operable by a user, a device for weighing items of postage, a device for capturing image, a visual display; the processor being configured to: (a) receive... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080064549 - Method of estimating belt advancing angle for v-ribbed belt, method of layout design for pulley using the method, and program for estimating belt advancing angle for v-ribbed belt: The V-ribbed belt 10 forms a track which enters at an entrance angle of approximately zero degree (substantially perpendicular to a plane that includes an axis 3a of rotation) into the flat pulley 3, is wound along the outer peripheral face of the flat pulley 3 without deviating in the... Agent: Roberts, Mlotkowski & Hobbes

20080058136 - Bicycle derailleur: A bicycle derailleur includes a derailleur body, a pivot axle and a chain guide. The pivot axle has a retaining end pivotally retained to the derailleur body and a chain guide supporting end. The chain guide includes a first plate, a second plate and a guide pulley. The first plate... Agent: GlobalIPCounselors, LLP

20080058135 - Infinitely variable transmission: An IVT machine includes an input shaft, a drive wheel on the input shaft, an output shaft, a ratio changing device which is mounted on the output shaft, an endless belt which passes over the drive wheel and in an open loop on the ratio changing device, control elements for... Agent: Young & Thompson

20080058137 - Cones, configurations, and adjusters for friction and non-friction dependent continuous variable transmissions: Cones or cone assemblies with one or two oppositely positioned torque transmitting devices, such as torque transmitting arcs of constant pitch (formed by torque transmitting members) or teeth. The torque transmitting devices will be used for torque transmission between at least one means for coupling, such as transmission belt or... Agent: Armin Tay

20080058138 - Cones, configurations, and adjusters for friction and non-friction dependent continuous variable transmissions: Cones or cone assemblies with one or two oppositely positioned torque transmitting devices, such as torque transmitting arcs of constant pitch (formed by torque transmitting members) or teeth. The torque transmitting devices will be used for torque transmission between at least one means for coupling, such as transmission belt or... Agent: Armin Tay

20080058139 - Adjustment system for a speed reduction belt assembly: An automated adjustment system is provided for positioning a speed reduction belt assembly to receive an elongated wood article exiting a processing machine. The speed reduction belt assembly has opposite first and second ends. The automated adjustment system includes a horizontal adjustment mechanism operable to adjust an angle of the... Agent: Merchant & Gould PC

20080058140 - One-way clutched damper for automatic belt tensioner: A new asymmetrically damped tensioner is provided utilizing a roller clutch engaged with a tensioner arm through a frictional contact. During normal operation, the roller clutch enables the tensioner arm to pivot in a first direction to take up belt slack with negligible frictional damping applied to the motion of... Agent: Dayco Products, LLC

20080058141 - One-way clutched damper for automatic belt tensioner: A new asymmetrically damped tensioner is provided utilizing a bearing-ramp clutch. During normal operation, the bearing-ramp clutch enables the tensioner arm to pivot in a first direction to take up belt slack with negligible frictional damping applied to the motion of the tensioner arm. When the tensioner arm pivots in... Agent: Dayco Products, LLC

20080058142 - One-way clutched damper for automatic belt tensioner: A new tensioner is disclosed that achieves asymmetric damping in part by using a moveable ramp plate. The moveable ramp plate is in frictional contact with the arm provides asymmetric frictional damping for the tensioner arm when the arm experiences wind-up and begins to move away from the belt. The... Agent: Dayco Products, LLC

20080058143 - Autotensioner: In an autotensioner of a type in which a boss of an oscillating member is pivotally fitted on a spindle of a stationary member through a bush including a metal part and a resin layer formed on the inner periphery of the metal part, the clearance in its initially assembled... Agent: Roberts, Mlotkowski & Hobbes

20080058144 - Bicycle sprocket assembly: A bicycle sprocket assembly includes a first sprocket, a second sprocket and at least one reinforcement member. The first sprocket includes a first main body and a first chain engagement portion. The second sprocket includes a second main body and a second chain engagement portion. The reinforcement member is coupled... Agent: GlobalIPCounselors, LLP