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Class Information
Number: 188/282.5
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 > Flexible flap-type valve (e.g., compression washers)
Description: Valved piston in which the size varying element is a bendable platelike member.










Sub-classes under this class:

Class Number Class Name Patents
188/282.6 Having flow passage, cutout, aperture, slot, etc. 97


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8701846 Inverted strut comprising an air damper combined with a hydraulic stop Apr. 22, 2014
8573605 Active suspension system and hydraulic ram therefor Nov. 5, 2013
8544621 Shock absorber Oct. 1, 2013
8544619 Fluid pressure shock absorber Oct. 1, 2013
8439173 Methods and apparatus for a suspension system with progressive resistance May. 14, 2013
8427082 Method for absorbing the displacement of a plunger in a linear electrodynamic motor under the influence of an external force Apr. 23, 2013
8393445 Shock absorber valve with spring arrangement Mar. 12, 2013
8381887 Hydraulic shock absorber Feb. 26, 2013
8256587 Shock absorber Sep. 4, 2012
8240439 Vehicle damper of variable damping force Aug. 14, 2012
8136644 Arrangement, device and method at a disturbance-eliminating valve for damper Mar. 20, 2012
8127901 Hydraulic damping device for drawer Mar. 6, 2012
8042661 Shock absorber Oct. 25, 2011
8025135 Hydraulic damping device for drawer Sep. 27, 2011
7980368 Damping force variable shock absorber Jul. 19, 2011
7954609 Damping force generating mechanism for shock absorber Jun. 7, 2011
7770983 Damping force control valve and shock absorber using the same Aug. 10, 2010
7703586 Four-piece piston Apr. 27, 2010
7628257 Hydraulic damper for drawer Dec. 8, 2009
7431135 Stroke dependent damping Oct. 7, 2008
7407044 Variable damping valve of shock absorber Aug. 5, 2008
7290643 Front fork in two-wheeled motor vehicle or the like Nov. 6, 2007
7273138 Damping force variable valve and shock absorber using same Sep. 25, 2007
7156213 Shock absorber having a hydraulic stop Jan. 2, 2007
7097016 Fulcrum blow off valve for use in a shock absorber Aug. 29, 2006
7073642 Gas spring Jul. 11, 2006
7032727 Shock absorber having a hydraulic stop Apr. 25, 2006
6966411 Valve structure of hydraulic shock absorber for vehicle Nov. 22, 2005
6959797 Piston-cylinder assembly with braking device Nov. 1, 2005
6915885 Oscillation damper with adjustable damping force Jul. 12, 2005
6899207 Extra support area for valve disc May. 31, 2005
6868947 Piston for a hydraulic dashpot, and method of manufacturing such a piston Mar. 22, 2005
6860370 Controllable damping force hydraulic shock absorber Mar. 1, 2005
6860369 Vibration damper with variable damping force Mar. 1, 2005
6802408 Fluid damper, particularly for movable pieces of furniture Oct. 12, 2004
6698558 Safety brake system for garage doors Mar. 2, 2004
6672436 Variable bleed orifice valving Jan. 6, 2004
6668987 Shock absorber Dec. 30, 2003
6668986 Active hydraulic fluid vehicular suspension damper Dec. 30, 2003
6655512 Variable area low speed orifice in a vehicle damper Dec. 2, 2003
6561326 Amplitude-attenuating dashpot May. 13, 2003
6540052 Damping valve, in particular for a vibration damper Apr. 1, 2003
6464053 Single piece piston Oct. 15, 2002
6450304 Piston and rod assembly for air-actuated variable damping Sep. 17, 2002
6390257 Suspension damper having piston plate with coined, continuously curved bypass May. 21, 2002
6364075 Frequency dependent damper Apr. 2, 2002
6290035 Acceleration sensitive damping for automotive dampers Sep. 18, 2001
6276499 Hydraulic shock absorbers Aug. 21, 2001
6276498 Piston for a piston cylinder assembly Aug. 21, 2001
6264015 Continuously variable single-tube shock absorber with bidirectional control valve Jul. 24, 2001

1 2 3










 
 
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