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Class Information
Number: 188/319.2
Name: Brakes > Internal-resistance motion retarder > Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) > Fluid through or around piston within chamber > Via fixed or variable orifice in piston > Orifice size varied using a hand or hand tool
Description: Reciprocating piston with fluid flow through an orifice in which the dimension of the opening is regulated by a person: (a) turning, for example, a knob connected to the flow restrictor or the chamber cylinder or (b) using a wrench or screwdriver; both (a) and (b) located outside the container.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8701846 Inverted strut comprising an air damper combined with a hydraulic stop Apr. 22, 2014
8672106 Self-regulating suspension Mar. 18, 2014
8651253 Damping device with multistage variable damping characteristics, particularly for damping moveable furniture parts Feb. 18, 2014
8640835 Suspension unit Feb. 4, 2014
8622180 Methods and apparatus for variable damping adjuster Jan. 7, 2014
8511448 Bicycle air shock assemblies with tunable suspension performance Aug. 20, 2013
8474582 Cushion device and motorcycle Jul. 2, 2013
8457841 Suspension system with optimized damping response Jun. 4, 2013
8393448 Spring fork Mar. 12, 2013
8162112 Methods and apparatus for protecting a shock absorber from bottoming Apr. 24, 2012
8091695 Dampening element of a vibration damper and a vibration damper Jan. 10, 2012
7900947 Bicycle suspension system Mar. 8, 2011
7886883 Telescopic fork Feb. 15, 2011
7828525 Soft in-plane tiltrotor hub Nov. 9, 2010
7540362 Adjustable-length gas spring Jun. 2, 2009
7441640 Shock absorber apparatus Oct. 28, 2008
7401800 Gas spring suspension system Jul. 22, 2008
7364143 Adjustable suspension fork Apr. 29, 2008
7325660 Fluid flow regulation of a vehicle shock absorber/damper Feb. 5, 2008
7316409 Front fork of bicycle with buffer apparatus Jan. 8, 2008
7163223 Lockout mechanism for a suspension system Jan. 16, 2007
7044274 Bicycle front suspension device May. 16, 2006
6986414 Hydraulic shock absorber Jan. 17, 2006
6880684 Flow regulator for a gas shock absorber Apr. 19, 2005
6840357 Hydraulic damping device Jan. 11, 2005
6802407 Adjustable front suspension device Oct. 12, 2004
6659239 Shock absorber through the rod damping adjustment Dec. 9, 2003
6505719 Damping apparatus for bicycle forks Jan. 14, 2003
6491146 Damping adjustable shock absorber for a bicycle Dec. 10, 2002
6446771 Shock absorber Sep. 10, 2002
6443272 Vibration damper with adjustable damping force Sep. 3, 2002
6382370 Shock absorber with an adjustable lock-out value and two-stage flow restriction May. 7, 2002
6360858 Damping apparatus for bicycle forks Mar. 26, 2002
6318525 Shock absorber with improved damping Nov. 20, 2001
6286641 Oil brake Sep. 11, 2001
6286642 Fluid regulating device for use with a shock-absorbing cylinder to obtain a variable shock absorbing effect Sep. 11, 2001
6260832 Shock absorber with adjustable compression and rebound Jul. 17, 2001
6241060 Oil damped fork Jun. 5, 2001
6202807 Speed controlling hydraulic dampener Mar. 20, 2001
6120049 Bicycle shock absorber including lockout means Sep. 19, 2000
6112868 Externally adjustable dampening control for a shock absorber Sep. 5, 2000
6102171 Damping valve with adjustable damping force Aug. 15, 2000
6065573 Adjustable energy absorption device with break-off adjustment knob May. 23, 2000
5950777 Adjustable, tamper-proof energy absorption device Sep. 14, 1999
5848675 Damping apparatus for bicycle forks Dec. 15, 1998
5810128 Shock absorber Sep. 22, 1998
5634653 Bicycle suspension system Jun. 3, 1997
5579874 Adjustable speed gas spring Dec. 3, 1996
5456480 Fork suspension with variable hydraulic damping Oct. 10, 1995
5308099 Bicycle suspension system May. 3, 1994

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