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Class Information
Number: 188/297
Name: Brakes > Internal-resistance motion retarder > Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir)
Description: Internal resistance motion retarder wherein said first member is moved by a mechanism relative to or within a container for fluid medium; the member together with the container enclosing a space the size of which changes as the member is moved, thus causing fluid contained within the space to be moved relative to both the member and the container.










Sub-classes under this class:

Class Number Class Name Patents
188/306 Arcuately oscillating thrust member 62
188/301 Causing air suction in chamber 7
188/316 Fluid through or around piston within chamber 99
188/298 Forming flexible wall enclosure for fluid 136
188/312 Having piston rod extending through ends of chamber 98
188/302 Rectilinear reciprocation of piston caused by arcuately oscillating frame, shaft, arm, axle, etc. 10
188/313 With valve controlling fluid flow between chambers or compartments of the chamber 148


Patents under this class:
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Patent Number Title Of Patent Date Issued
8701845 Suspension device Apr. 22, 2014
8672306 Vehicle shock absorber Mar. 18, 2014
8651214 Two-wheeled vehicle Feb. 18, 2014
8640835 Suspension unit Feb. 4, 2014
8596431 Pneumatic cylinder with a self-adjusting end position damping arrangement, and method for self-adjusting end position damping Dec. 3, 2013
8590679 Shock absorber having unidirectional fluid flow Nov. 26, 2013
8585069 Telescopic suspension fork leg and telescopic suspension fork provided therewith Nov. 19, 2013
8579091 Dynamic displacement energy management device Nov. 12, 2013
8579092 Damper unit Nov. 12, 2013
8567575 Shock absorber having self pumping unit Oct. 29, 2013
8561767 Shock absorber having self pumping unit Oct. 22, 2013
8544620 Suspension apparatus for vehicle Oct. 1, 2013
8499905 Front fork Aug. 6, 2013
8496095 Dynamic displacement energy management device Jul. 30, 2013
8453809 Shock absorber having unidirectional fluid flow Jun. 4, 2013
8418334 Method of changing damping characteristics of twin-tube shock absorber Apr. 16, 2013
8403115 Dual rate gas spring shock absorber Mar. 26, 2013
8356829 Bicycle suspension-setting adjustor assembly Jan. 22, 2013
8336686 Mount for a vibration damper Dec. 25, 2012
8181979 Suspension fork for a bicycle May. 22, 2012
8177043 Steering damping method for vehicle and steering damping device for vehicle May. 15, 2012
8167099 Vehicle damper May. 1, 2012
8114168 Momentum free bearing for use in prosthetic and orthotic devices Feb. 14, 2012
8104140 Decelerating stop device for a movable member, in particular a furniture door or drawer, fittable to a stop surface of the movable member Jan. 31, 2012
8100236 Shock absorber having self pumping unit Jan. 24, 2012
8002093 Damper and vibration damping structure using the same Aug. 23, 2011
7913822 Ride height sensing shock damper Mar. 29, 2011
7913823 Hydraulic shock absorber Mar. 29, 2011
7793766 Front fork Sep. 14, 2010
7766135 Front bicycle suspension assembly with inertia valve Aug. 3, 2010
7766136 Suspension arrangement for motor vehicles Aug. 3, 2010
7694987 Bicycle damping enhancement system Apr. 13, 2010
7690618 Position adjustment mechanism Apr. 6, 2010
7621382 Shock absorber Nov. 24, 2009
7565957 Damper and vibration damping structure using the same Jul. 28, 2009
7516969 Travel adjustable front suspension fork Apr. 14, 2009
7490705 Bicycle suspension assembly including inertia valve and gas spring Feb. 17, 2009
7448638 Front bicycle suspension assembly with inertia valve Nov. 11, 2008
7426983 Landing gear strut damper, and landing gear with independent struts comprising same Sep. 23, 2008
7383108 Vertical acceleration sensing vehicle brake system Jun. 3, 2008
7357232 Front fork in two-wheeled motor vehicle or the like Apr. 15, 2008
7296812 Front fork of a motor cycle Nov. 20, 2007
7281704 Damping apparatus for moving furniture parts Oct. 16, 2007
7182187 Damper and vibration damping structure using the same Feb. 27, 2007
7021434 Self-pumping hydropneumatic suspension strut Apr. 4, 2006
6974003 Spring-shock absorbing system with tubular rolled bellows Dec. 13, 2005
6911050 Prosthetic knee unit Jun. 28, 2005
6886817 Damping device for movable furniture parts May. 3, 2005
6749045 Passive force element on the basis of electrorheologic liquids Jun. 15, 2004
6749046 Combined spring and shock absorber system including a hydraulic accumulator Jun. 15, 2004

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