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Class Information
Number: 474/109
Name: Endless belt power transmission systems or components > Means for adjusting belt tension or for shifting belt, pulley or guide roll > Load responsive tension adjuster or shifter
Description:










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8690717 Tensioning rail for power transmission drives on internal combustion engines Apr. 8, 2014
8460140 Belt tensioner utilizing asymmetric motion control Jun. 11, 2013
8419575 Ball-type tensioner Apr. 16, 2013
8413326 Assembling method for timing system of engine Apr. 9, 2013
8403782 Adjusting device and printing apparatus with adjusting device Mar. 26, 2013
8403783 Hydraulic tensioner with a band type check valve Mar. 26, 2013
8387244 Assembly system and method for a tensioned chain drive system Mar. 5, 2013
8376883 Power transmission device Feb. 19, 2013
8371973 Chain tensioner Feb. 12, 2013
8337344 Asymetric damping belt tensioner Dec. 25, 2012
8337345 Sliding rack ratchet tensioner Dec. 25, 2012
8323135 Downward angle settable hydraulic tensioner Dec. 4, 2012
8317643 Hydraulic tensioning system comprising integrated overpressure valve Nov. 27, 2012
8282520 Chain tensioner Oct. 9, 2012
8277347 Tensioner Oct. 2, 2012
8267819 Timing belt tensioner with stops controlled by brake device Sep. 18, 2012
8262521 Tensioner assembly comprising a displaceable tensioning rail Sep. 11, 2012
8257212 Chain tensioner Sep. 4, 2012
8226509 Torque biased friction hinge for a tensioner Jul. 24, 2012
8221274 Chain tensioner Jul. 17, 2012
8142313 Hydraulic tensioner with overtravel limiter Mar. 27, 2012
8105195 Rotational one way clutch chain tensioner with frictional damping Jan. 31, 2012
8105194 Torque biased friction hinge for a tensioner Jan. 31, 2012
8100792 Hydraulic auto-tensioner Jan. 24, 2012
8092327 Tensioner lever for chain drive Jan. 10, 2012
8083623 Shoe tensioner for a synchronous belt drive for use with oil Dec. 27, 2011
8083622 Systems and methods for automatic belt tensioning in low speed, low volume fluid recovery operations Dec. 27, 2011
8066598 Chain tensioning apparatus with temperature-based leakdown Nov. 29, 2011
8062157 Tensioner with an adjuster Nov. 22, 2011
8052559 Tensioner with two way damper Nov. 8, 2011
8033938 Hydraulic tensioner Oct. 11, 2011
8025599 Pivot arm tensioner with sliding ratchet mechanism Sep. 27, 2011
8021254 Variable leakdown chain drive tensioner Sep. 20, 2011
8020468 Belt tension adjustment apparatus and robot arm having the same Sep. 20, 2011
8002656 Tensioner for endless transmission belt Aug. 23, 2011
8002657 Low profile tensioner with arcuate spring Aug. 23, 2011
7980976 Timing belt tensioner Jul. 19, 2011
7972232 Chain drive tensioner system with translating pivot point Jul. 5, 2011
7955206 Self-energizing brake for a tensioner Jun. 7, 2011
7927242 Downward angle settable hydraulic tensioner Apr. 19, 2011
7901309 Tensioner for a timing chain Mar. 8, 2011
7887445 Belt tensioner Feb. 15, 2011
7815533 Camshaft drive system for internal combustion engine Oct. 19, 2010
7794345 Dual backlash chain tensioner Sep. 14, 2010
7775921 Chain tensioner Aug. 17, 2010
7775924 Hydraulic tensioning device for a traction mechanism drive Aug. 17, 2010
7775923 Chain tensioner for two-wheeled vehicle engine Aug. 17, 2010
7771299 V-belt continuously variable transmission and straddle-type vehicle Aug. 10, 2010
7771302 Apparatus for indicating power transmission belt dynamics Aug. 10, 2010
7766775 Chain tensioner Aug. 3, 2010

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