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Class Information
Number: 188/286
Name: Brakes > Internal-resistance motion retarder > Position of thrust member relative to chamber > Having aperture in chamber wall
Description: Device wherein said chamber is formed by a thrust member and an enclosure which together contain a fluid, said enclosure has at least one opening therein for the passage of fluid therefrom, and said thrust member moves past said opening to permit or prevent passage of fluid through the opening.










Sub-classes under this class:

Class Number Class Name Patents
188/287 Plural, successively encountered apertures 92


Patents under this class:

Patent Number Title Of Patent Date Issued
8672306 Vehicle shock absorber Mar. 18, 2014
8596431 Pneumatic cylinder with a self-adjusting end position damping arrangement, and method for self-adjusting end position damping Dec. 3, 2013
8448760 Progressively dampened hydraulic buffer system May. 28, 2013
8205729 Shock absorber Jun. 26, 2012
8157064 Shock absorber for drawer Apr. 17, 2012
8123006 Lightweight gas spring design with volume compensator incorporated into a suspension fork for two wheeled vehicles Feb. 28, 2012
7690618 Position adjustment mechanism Apr. 6, 2010
7690667 Bicycle damping enhancement system Apr. 6, 2010
7309063 Gas-filled spring for a vehicle, such as a motor cycle, and valve for such a gas-filled spring Dec. 18, 2007
7299907 Hydraulic shock absorber and method Nov. 27, 2007
7011192 Air cylinder with high frequency shock absorber and accelerator Mar. 14, 2006
6966412 Position-sensitive shock absorber Nov. 22, 2005
6951267 Damping force-variable shock absorber Oct. 4, 2005
6945372 High frequency shock absorber and accelerator Sep. 20, 2005
6899206 Air cylinder with high frequency shock absorber and accelerator May. 31, 2005
6739609 Front fork May. 25, 2004
6698559 Hydraulic damping device Mar. 2, 2004
6648310 Shock absorber Nov. 18, 2003
6634250 Steering column damper Oct. 21, 2003
6615960 Fluid damped shock absorber and method Sep. 9, 2003
6612410 High frequency shock absorber and accelerator Sep. 2, 2003
6588555 Piston-cylinder unit with at least one bypass groove in the cylinder Jul. 8, 2003
6557674 Hydraulic or hydropneumatic shock absorber or telescopic suspension, equipped with built-in compensator, having small overall dimensions, easy to carry out and highly reliable May. 6, 2003
6481546 Magneto-rheological damping valve using laminated construction Nov. 19, 2002
6454061 High frequency shock absorber and accelerator Sep. 24, 2002
6446944 Suspension strut Sep. 10, 2002
6443272 Vibration damper with adjustable damping force Sep. 3, 2002
6443271 Shock absorber with cup-shaped stop cap Sep. 3, 2002
6431332 Gas spring incorporating a safety member Aug. 13, 2002
6425467 Actuation arrangement for movable components on vehicles Jul. 30, 2002
5522486 Damping valve for shock absorber Jun. 4, 1996
5503258 Hydraulic shock absorber Apr. 2, 1996
5069317 Pneumatic shock absorber Dec. 3, 1991
5052528 Steering knuckle damper Oct. 1, 1991
4963078 Stress and torque reducing tool and method Oct. 16, 1990
4937913 Door closer Jul. 3, 1990
4838392 Semi-active damper for vehicles and the like Jun. 13, 1989
4819770 Hydraulic control device Apr. 11, 1989
4700815 Vehicle suspension system Oct. 20, 1987
4700611 Pneumatic cylinder motor with end-of-travel cushioning mechanism Oct. 20, 1987
4693454 Air pressure shock absorber Sep. 15, 1987
4500075 Air pressure shock absorber Feb. 19, 1985
4106412 Fluid truck bolster snubber Aug. 15, 1978
3970292 Oil and air suspension devices Jul. 20, 1976
3960251 Hydraulic telescopic shock absorber providing a damping effect which is dependent upon the position of the piston in the cylinder Jun. 1, 1976











 
 
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