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Match Document Document Title
8968127 Tensioner  
A tensioner having a simplified structure, using engaging teeth having increased strength and reduced backlash, constructed from a reduced number of parts, reduced in cost, and having increased...
8899408 Temperature actuated tensioning mechanism  
Aspects of the present invention generally provide tensioner for varying tension applied to a continuous drive member based on temperature changes. In one embodiment, a temperature compensating...
8888623 Auto-tensioner  
An auto-tensioner includes a plunger slidably inserted in a cylinder and having a closed front end protruding from the cylinder and an open rear end which is located in the cylinder. The plunger...
8777337 Chain drive assembly and work machine  
The present disclosure relates to a chain drive assembly for a work machine, in particular for a crawler-mounted crane or a crawler excavator, having a drive crawler track, at least one...
8690717 Tensioning rail for power transmission drives on internal combustion engines  
A tensioning device for compensating for elongations of the traction mechanism, in particular a chain or a timing belt, of a power transmission drive, in particular on an internal combustion...
8460140 Belt tensioner utilizing asymmetric motion control  
A belt tensioner includes a support housing at least in part defining a spring cavity and an arm pivotally attached to the support housing. A spring is located in the spring cavity and is...
8419575 Ball-type tensioner  
A tensioner for a chain or similar power transmission medium comprises a spring-biased plunger having annular rack teeth with gradually sloping forward surfaces and steeper rearward surfaces. The...
8413326 Assembling method for timing system of engine  
Disclosed is an assembling method for a timing system of an engine to wind a timing chain (30) around a sprocket (20) attached to a crankshaft (18) and a sprocket (24, 28) attached to a camshaft...
8403782 Adjusting device and printing apparatus with adjusting device  
A printing apparatus comprises a print head moving module comprising a mounting plate, a first wheel, a second wheel, an endless belt, a retaining member of the mounting plate to clamp with the...
8403783 Hydraulic tensioner with a band type check valve  
A hydraulic tensioner includes an inlet portion which defines a pressurized fluid inlet. The hydraulic tensioner also includes a housing defining a chamber which is coupled to the inlet portion. A...
8387244 Assembly system and method for a tensioned chain drive system  
The assembly method includes packaging of items for shipment and secures components of the assembly in a fashion and in the related position required for further assembly, as a unit, to an engine...
8376883 Power transmission device  
A power transmission device includes a tubular stabilizer which is arranged between a primary pulley and a secondary pulley, and through which a string portion of a power transmitting chain is...
8371973 Chain tensioner  
A chain tensioner includes a cylindrical cylinder having an open end and a bottom, a cylindrical plunger axially slidably inserted in the cylinder and having a bottom and an open end located in...
8337344 Asymetric damping belt tensioner  
A tensioner for a belt drive, comprising: a base carrying a pin defining an axis; a tensioning arm, which can rotate about the pin and supports an idle pulley; and a damping element, which is...
8337345 Sliding rack ratchet tensioner  
The high-performance sliding rack ratchet tensioner is inexpensively manufactured. A rack having rack teeth is slidingly received in a rack slot on the side of the piston. The rack slot is...
8323135 Downward angle settable hydraulic tensioner  
The hollow plunger of a hydraulic tensioner for an engine timing chain protrudes from a tensioner housing in an oblique downward direction. An inner sleeve fixed to the housing slidably protrudes...
8317643 Hydraulic tensioning system comprising integrated overpressure valve  
A hydraulic tensioning system (1), which is used in traction mechanism drives, particularly chain drives of internal combustion engines, is provided. The tensioning system (1) includes a piston...
8282520 Chain tensioner  
In a chain tensioner, an expansible ring is disposed in an internal groove formed in the inner wall of a plunger-accommodating hole near an open end thereof. The ring cooperates with grooves...
8277347 Tensioner  
The present invention is directed to decrease the impact sound of the ratchet mechanism generated at the time of piston retraction. The tensioner includes a piston 3 slidable in the piston bore 2a...
8267819 Timing belt tensioner with stops controlled by brake device  
A tensioner having a backstop device which allows free rotation of the pivot arm in a first direction but controls rotation of the pivot arm in a second, opposite direction. The backstop device...
8262521 Tensioner assembly comprising a displaceable tensioning rail  
The invention relates to a tensioner assembly for a traction medium drive, specifically a chain drive, with at least two traction medium wheels and a flexible traction medium, comprising a...
8257212 Chain tensioner  
A chain tensioner has a plunger (14) slidably fitted in a bottomed cylinder (12) formed in a housing (11), and configured to resiliently urge the plunger (14) by a return spring (13) in the...
8226509 Torque biased friction hinge for a tensioner  
A pivot joint for a single blade spring tensioner or double blade spring tensioner generates a biased friction loss at a pivot joint. The friction torque generated in one direction of joint...
8221274 Chain tensioner  
A chain tensioner includes a plunger axially slidable in a cylinder to define a pressure chamber, filled with hydraulic oil, whose volume is variable upon axial plunger movement. A restricted...
8142313 Hydraulic tensioner with overtravel limiter  
A hydraulic tensioner for a drive system, including a flexible, inextensible drive element, has a bi-directional travel limiter associated with a hydraulically biased tensioning cylinder. The...
8105195 Rotational one way clutch chain tensioner with frictional damping  
A tensioner for a power transmission system includes two tensioning arms operatively engaged with a strand of either the chain or the belt of the power transmission system. The upper end of each...
8105194 Torque biased friction hinge for a tensioner  
A pivot joint for a single blade spring tensioner or double blade spring tensioner generates a biased friction loss at a pivot joint. The friction torque generated in one direction of joint...
8100792 Hydraulic auto-tensioner  
A hydraulic auto-tensioner includes a high-pressure oil chamber and a low-pressure oil chamber, and oil (L) in the high-pressure oil chamber passes through a clearance (G) between a cylinder (17)...
8092327 Tensioner lever for chain drive  
In a spring-loaded tensioner lever having a coiled torsion spring accommodated in a space inside the lever, a stopper mechanism, comprising a pin held removably in a hole in the lever, holds an...
8083623 Shoe tensioner for a synchronous belt drive for use with oil  
A shoe tensioner for a synchronous belt drive, having a guide member adapted to cooperate with a drive belt and hinged at one end about a first axis; elastic means cooperating with the guide...
8083622 Systems and methods for automatic belt tensioning in low speed, low volume fluid recovery operations  
Systems and methods for automatic belt tensioning in low speed, low volume fluid recovery. A required amount of tension is maintained across the recovery system's belt driven components under...
8066598 Chain tensioning apparatus with temperature-based leakdown  
An apparatus for tensioning a chain is provided that compensates for the affect of temperature on oil viscosity by providing, in addition to a continuously open oil leakage path, an additional...
8062157 Tensioner with an adjuster  
The present invention relates to a tensioner, in particular a tensioner for a driving chain of an internal combustion engine, comprising a tensioning plunger which is axially movably guided in a...
8052559 Tensioner with two way damper  
A tensioner for a power transmission system includes two tensioning arms operatively engaged with the strand of the chain or the belt of the power transmission system. The upper end of each...
8033938 Hydraulic tensioner  
In a hydraulic tensioner, at least a part of a bar is located within a coil spring that biases a plunger in the protruding direction. The bar reduces the volume of the high pressure oil chamber of...
8025599 Pivot arm tensioner with sliding ratchet mechanism  
An engine chain or belt tensioning system includes a tensioner pivot arm with a ratcheting means that includes backlash in an engine timing system. The tensioner system includes a tensioner pivot...
8021254 Variable leakdown chain drive tensioner  
A variable leakdown chain drive tensioner system includes a chain drive tensioner in operable communication with a chain. The chain drive tensioner includes a tensioner body with at least one...
8020468 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...
8002657 Low profile tensioner with arcuate spring  
A tensioner operable to substantially maintain a specified tension in a flexible drive, such as a belt or chain, includes a spring, mounted laterally to the pivot shaft of the tensioner, which...
8002656 Tensioner for endless transmission belt  
A tensioner for an endless transmission belt includes a plunger body and a plunger. The plunger is movably provided in the plunger body to press the endless transmission belt. A pressure chamber...
7980976 Timing belt tensioner  
A tensioner for tensioning a flexible drive means, such as a timing belt or chain, includes a pulley to contact the belt. The pulley is mounted on a tensioner arm and the tensioner arm can be...
7972232 Chain drive tensioner system with translating pivot point  
A chain drive tensioner system with translating pivot point is disclosed. The chain drive tensioner system with translating pivot point includes a chain drive tensioner assembly and a tensioner...
7955206 Self-energizing brake for a tensioner  
A tensioner that includes a blade shoe (106), at least one blade spring (112), a ramp 122), and a brake (132). The blade shoe has a curved chain sliding face, an underside, opposite the chain...
7927242 Downward angle settable hydraulic tensioner  
In a hydraulic chain tensioner having a housing, a hollow plunger slidable in a plunger-accommodating hole in the housing, and a hollow sleeve extending into the plunger from a bottom of the...
7901309 Tensioner for a timing chain  
A tensioner has a base plate and a pivot arm. A first end of the pivot arm is pivotally mounted to the base plate for rotation about a first axis. A spring biases the pivot arm to rotate in a...
7887445 Belt tensioner  
A tensioner for tensioning a belt includes a support housing that defines, at least in part, a spring cavity and an arm pivotably attached to the support housing. A spring is disposed in the...
7815533 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...
7794345 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...
7775924 Hydraulic tensioning device for a traction mechanism drive  
A hydraulic tensioning device is provided for a traction mechanism drive, in particular for a chain or belt drive of an internal combustion engine. The device includes a tensioning piston which is...
7775923 Chain tensioner for two-wheeled vehicle engine  
A chain tensioner for use with a chain of a vehicle engine, includes a housing and a plunger slidably mounted in a cylinder chamber formed in the housing. The plunger is biased outwardly by a...

Matches 1 - 50 out of 247 1 2 3 4 5 >