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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5813500 |
Anti-swish mechanism for a damper |
Sep. 29, 1998 |
| 5730260 |
Shock absorber |
Mar. 24, 1998 |
| 5570763 |
Suspension strut |
Nov. 5, 1996 |
| 5570762 |
Hydraulic damper |
Nov. 5, 1996 |
| 5545233 |
Swing phase control device |
Aug. 13, 1996 |
| 5456283 |
Infinite hydraulic check |
Oct. 10, 1995 |
| 5386892 |
Hydraulic shock absorber with shutters |
Feb. 7, 1995 |
| 5368141 |
Displacement sensitive valve mechanism |
Nov. 29, 1994 |
| 5328196 |
Wheel suspension system for bicycle |
Jul. 12, 1994 |
| 5265710 |
Hydraulic self-adjusting device for clutch control cables |
Nov. 30, 1993 |
| 5248014 |
Hydraulic shock absorber |
Sep. 28, 1993 |
| 5234085 |
Pilot-controlled shock absorber |
Aug. 10, 1993 |
| 5220706 |
Air damper |
Jun. 22, 1993 |
| 5190126 |
Shock absorber with air cavity controlled orifices |
Mar. 2, 1993 |
| 5172794 |
Adjustable damping shock absorber |
Dec. 22, 1992 |
| 5131512 |
Hydraulic telescopic damper |
Jul. 21, 1992 |
| 5052528 |
Steering knuckle damper |
Oct. 1, 1991 |
| 5042625 |
Damping unit |
Aug. 27, 1991 |
| 5018607 |
Hydraulic dashpot for pipeline systems |
May. 28, 1991 |
| 4993522 |
Hydraulically blockable gas spring |
Feb. 19, 1991 |
| 4971181 |
Preloaded piston valving for hydraulic dampers and method of assembling the same |
Nov. 20, 1990 |
| 4944705 |
Tilt damper |
Jul. 31, 1990 |
| 4826094 |
Vibration damper |
May. 2, 1989 |
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