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Browse by Category: Main > Transportation & Automotive
Class Information
Number: 188/289
Name: Brakes > Internal-resistance motion retarder > Position of thrust member relative to chamber > Having varying area of metering rod extending through orifice in thrust member
Description: Device wherein a thrust member has an opening therein for passage of fluid therethrough, which opening is closed to a greater or lesser degree by an elongated bar, the length dimension of which bar reaches through said opening and the size of which bar; in dimension perpendicular to its length dimension, changes along the length of the bar.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8561766 Piston-cylinder unit Oct. 22, 2013
8565965 Aircraft landing gear automated inspection for presence of internal oxygen contamination Oct. 22, 2013
8398105 Methods and apparatus for suspension damping with reduced cavitation and effects Mar. 19, 2013
8360210 Oil buffer for an elevator Jan. 29, 2013
8235187 Hydraulic shock absorber Aug. 7, 2012
8162112 Methods and apparatus for protecting a shock absorber from bottoming Apr. 24, 2012
8146897 Self-pumping hydropneumatic spring strut with internal level control Apr. 3, 2012
8028813 Shock absorber Oct. 4, 2011
7681699 Self-pumping hydropneumatic vibration damper Mar. 23, 2010
7441640 Shock absorber apparatus Oct. 28, 2008
7337885 Telescoping cylinder Mar. 4, 2008
7331434 Impact absorber Feb. 19, 2008
7299908 Shock absorber Nov. 27, 2007
6763920 Self-contained bidirectional end-of-stroke hydraulic snubber Jul. 20, 2004
6672435 Shock absorber adjustable in compression Jan. 6, 2004
6467593 Hydraulic shock absorber with progressive braking effect Oct. 22, 2002
6032933 Self-pumping hydropneumatic spring strut with internal level regulation Mar. 7, 2000
5944283 Crashworthy landing gear shock Aug. 31, 1999
5878852 Vehicular height control device Mar. 9, 1999
5862895 Adjustable variable oleopneumatic shock-absorbing device Jan. 26, 1999
5826863 Self-pumping hydropneumatic shock absorbing strut with internal level regulation Oct. 27, 1998
5810128 Shock absorber Sep. 22, 1998
5779007 Shock absorber with hydraulic fluid control rod Jul. 14, 1998
5682967 Shock absorber having nonadjustable metering Nov. 4, 1997
5680913 Snubber for a hydraulic motor Oct. 28, 1997
5522483 Shock absorber Jun. 4, 1996
5509675 Bicycle front suspension system Apr. 23, 1996
5509513 Bidirectional snubber for a hydraulic suspension cylinder Apr. 23, 1996
5370429 Bumper system having an extendable bumper for automotive vehicles Dec. 6, 1994
5160123 Velocity-controlled railway buffer Nov. 3, 1992
5154445 Constant force air cushion arrangement for automotive side impact protection Oct. 13, 1992
5127634 Hydropneumatic vehicle suspension strut Jul. 7, 1992
5102109 Hydraulic shock absorber Apr. 7, 1992
4934749 Metering pin for an energy absorber Jun. 19, 1990
4883150 Hydraulic shock absorber with piston rod position detecting means Nov. 28, 1989
4834223 Valve structure for telescopic hydraulic damper May. 30, 1989
4787486 Landing gear mechanism including controlled instroke and rebound damping and stroke overload protection Nov. 29, 1988
4624346 Multi-ratio hydraulic energy dissipater Nov. 25, 1986
4452437 Hydraulic-operating shock and vibration absorber and damper Jun. 5, 1984
4437548 Shock absorber Mar. 20, 1984
4426109 Shear type pressure relief device for hydraulic energy absorption unit Jan. 17, 1984
4405119 Oleopneumatic suspension with variable throttle orifices, especially for aircraft landing gear Sep. 20, 1983
4332460 Optical scanning carriage Jun. 1, 1982
4284177 Self-adjusting shock absorber having staged metering Aug. 18, 1981
4273303 Adaptive airplane landing gear Jun. 16, 1981
4273220 Oleo dampers having variable orifices Jun. 16, 1981
4226408 Hydraulic shock absorber for vehicles Oct. 7, 1980
4214737 Adjustable shock absorber including metering pin and reservoir structure Jul. 29, 1980
4095682 Shock absorber with improved position sensitive assembly Jun. 20, 1978
4068845 Bowling pin positioning apparatus Jan. 17, 1978

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