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Class Information
Number: 188/287
Name: Brakes > Internal-resistance motion retarder > Position of thrust member relative to chamber > Having aperture in chamber wall > Plural, successively encountered apertures
Description: Device provided with more than one of said openings, wherein said thrust member moves past said openings in sequence.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8584817 Shock absorber Nov. 19, 2013
8443948 Vibration damper with stroke-dependent damping force May. 21, 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
8256587 Shock absorber Sep. 4, 2012
8167099 Vehicle damper May. 1, 2012
8167101 Damping force generating mechanism for shock absorber May. 1, 2012
8028813 Shock absorber Oct. 4, 2011
7690618 Position adjustment mechanism Apr. 6, 2010
RE40649 Adjustable shock absorber Mar. 10, 2009
7455154 Shock absorber Nov. 25, 2008
7320388 Stroke dependent damping Jan. 22, 2008
7270222 Externally adjustable internal bypass shock absorber Sep. 18, 2007
7213690 Self-powering shock, vibration and acoustic isolation system May. 8, 2007
7055661 Hydraulic shock absorber with adjusting of shock absorbing type Jun. 6, 2006
6974002 Adjustable shock absorber Dec. 13, 2005
6883650 Adjustable shock absorber Apr. 26, 2005
6776269 Twin piston shock absorber Aug. 17, 2004
6763920 Self-contained bidirectional end-of-stroke hydraulic snubber Jul. 20, 2004
6695104 Reusable impact energy absorbing device Feb. 24, 2004
6648109 Adjustable shock absorber Nov. 18, 2003
6415895 Position-sensitive shock absorber Jul. 9, 2002
6412615 Hydraulic shock absorber for motor vehicles Jul. 2, 2002
6352271 Cylinder for improving the handling of a vehicle in turns Mar. 5, 2002
6202807 Speed controlling hydraulic dampener Mar. 20, 2001
6168205 Load limiting device for a seat belt Jan. 2, 2001
6006873 Industrial shock absorber Dec. 28, 1999
5988606 Hydraulic strut with over-pressure control Nov. 23, 1999
5948021 Hydraulic cylinders for limb gait control Sep. 7, 1999
5927523 Rail car buffer Jul. 27, 1999
5908123 Rail car buffer and method Jun. 1, 1999
5871109 Railcar cushion device preload valving systems Feb. 16, 1999
5862895 Adjustable variable oleopneumatic shock-absorbing device Jan. 26, 1999
5826735 Railcar cushion device valving systems Oct. 27, 1998
5720368 Snubber for a hydraulic cylinder Feb. 24, 1998
5642823 Railcar shock absorber with neutral position Jul. 1, 1997
5598904 Adjustable energy absorption device Feb. 4, 1997
5566794 Shock absorber having nonadjustable metering Oct. 22, 1996
5487480 Hydro-pneumatic cushioning device Jan. 30, 1996
5388711 Rail car double acting piston shock absorber Feb. 14, 1995
5228640 Device for the elastic coupling between two parts, and aircraft with rotating wings comprising said device Jul. 20, 1993
5178239 Shock absorber Jan. 12, 1993
5147017 Shock absorber Sep. 15, 1992
5076451 Hydraulic cushioning unit Dec. 31, 1991
5064033 Rotary damper Nov. 12, 1991
5050712 Shock absorber Sep. 24, 1991
5040645 Cylinder piston device Aug. 20, 1991
5029919 Pneumatic shock absorber for an automobile bumper having venting means Jul. 9, 1991
5024301 Hydraulic rebound stop assembly for a shock absorber Jun. 18, 1991
4973854 Hydraulic shock-absorber and vibration damper with adjustable damping Nov. 27, 1990
4926981 Escalator step buffer May. 22, 1990

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