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Class Information
Number: 188/282.8
Name: Brakes > Internal-resistance motion retarder > Resistance alters relative to direction of thrust member (e.g., high resistance in one direction, low in the other) > Via valved orifice in thrust member > Spring-loaded valve
Description: Valved piston in which the size varying element is a generally coiled metal wire having a resiliency.










Sub-classes under this class:

Class Number Class Name Patents
188/282.9 Adjusting the tension via (a) compressing or expanding or (b) different strength springs 31


Patents under this class:
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Patent Number Title Of Patent Date Issued
8668061 Nested check high speed valve Mar. 11, 2014
8590678 Nested check high speed valve Nov. 26, 2013
8590680 Shock absorber Nov. 26, 2013
8573605 Active suspension system and hydraulic ram therefor Nov. 5, 2013
8561764 Damping device for a two-wheeled vehicle Oct. 22, 2013
8511446 Nested check high speed valve Aug. 20, 2013
8479894 Shock absorber Jul. 9, 2013
8453808 Bicycle damping enhancement system Jun. 4, 2013
8333268 Bicycle damping enhancement system Dec. 18, 2012
8333270 Floating piston valve of amplitude selective shock absorber Dec. 18, 2012
8297418 Nested check high speed valve Oct. 30, 2012
8282086 Vibration isolator Oct. 9, 2012
8245822 Amplitude selective shock absorber Aug. 21, 2012
8235186 Hydraulic damper spool valve Aug. 7, 2012
8201669 Amplitude sensitive damper apparatus Jun. 19, 2012
8167101 Damping force generating mechanism for shock absorber May. 1, 2012
8113324 Damping valve for a vibration damper Feb. 14, 2012
8104592 Damper device Jan. 31, 2012
7954609 Damping force generating mechanism for shock absorber Jun. 7, 2011
7743895 Vibration damper Jun. 29, 2010
7726451 Vibration damper with amplitude-selective damping force Jun. 1, 2010
7694987 Bicycle damping enhancement system Apr. 13, 2010
7487863 Pressure container in a vibration damper Feb. 10, 2009
7347308 Damper Mar. 25, 2008
7308976 Hydraulic dampers with pressure regulated control valve Dec. 18, 2007
7270221 Bicycle damping enhancement system Sep. 18, 2007
7097016 Fulcrum blow off valve for use in a shock absorber Aug. 29, 2006
7073643 Compensated rod for a frequency dependent damper shock absorber Jul. 11, 2006
7070028 Frequency dependent damper Jul. 4, 2006
7063343 Front fork damper for bicycle Jun. 20, 2006
7007588 Device for adjusting the pressure in a hydraulic jack Mar. 7, 2006
6991076 Bicycle damping enhancement system Jan. 31, 2006
6978872 Hydraulic dampers with pressure regulated control valve Dec. 27, 2005
6959906 Blow-off valve for a hydraulic dashpot Nov. 1, 2005
6913128 Piston-cylinder assembly having a speed-dependent damping force Jul. 5, 2005
6857646 Anti-roll suspension valve body Feb. 22, 2005
6837344 Piston and rod assembly for air-actuated variable damping Jan. 4, 2005
6802407 Adjustable front suspension device Oct. 12, 2004
6802408 Fluid damper, particularly for movable pieces of furniture Oct. 12, 2004
6561326 Amplitude-attenuating dashpot May. 13, 2003
6491145 Regulable dashpot for motor vehicles, and method of adjusting such a dashpot Dec. 10, 2002
6382373 Frequency dependant damper May. 7, 2002
6318523 Flexible monotube valve with digressive performance and independent low speed orifice Nov. 20, 2001
6264015 Continuously variable single-tube shock absorber with bidirectional control valve Jul. 24, 2001
6202807 Speed controlling hydraulic dampener Mar. 20, 2001
6199671 Shock absorber Mar. 13, 2001
6182575 Adjustable stop-wagon retarders with locking function for wagons at high speed and disposal methods thereof Feb. 6, 2001
6119831 Controllable vibration damper for motor vehicles Sep. 19, 2000
5992583 Method of stabilizing valve lift-off in hydraulic shock absorbers Nov. 30, 1999
5823306 Stroke dependent damping Oct. 20, 1998

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