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Class Information
Number: 188/306
Name: Brakes > Internal-resistance motion retarder > Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) > Arcuately oscillating thrust member
Description: Device wherein said member is moved to-and-fro in an arc of a circle within a container for fluid medium, said member being connected to a shaft or hub that is pivoted to said device.










Sub-classes under this class:

Class Number Class Name Patents
188/308 Causing fluid flow through hub of thrust 9
188/307 Resilient or radially urged vane 38
188/310 With means for manually adjusting fluid flow 29


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8657086 Rotary damper mounting assembly and rotary damper apparatus Feb. 25, 2014
8540062 Low profile rotary damper Sep. 24, 2013
8177043 Steering damping method for vehicle and steering damping device for vehicle May. 15, 2012
8051962 Steering damper Nov. 8, 2011
7789207 Stabilizer Sep. 7, 2010
7510063 Fluidic stabilizer with remote control Mar. 31, 2009
7258211 Rotary damper Aug. 21, 2007
7231867 Rotary damper Jun. 19, 2007
7048098 Toroidal rotary damper apparatus May. 23, 2006
7021433 Vehicle steering damper, steering damper kit for motorcycle, and motorcycle incorporating same Apr. 4, 2006
6955249 Controlled oscillating damper Oct. 18, 2005
6913125 Damper Jul. 5, 2005
6907968 Automotive suspension with a rotational shock-absorber Jun. 21, 2005
6840356 Rotary damper Jan. 11, 2005
6840355 Rotary damper device Jan. 11, 2005
6824153 Steering device Nov. 30, 2004
6755287 Rotary shear damper Jun. 29, 2004
6742794 Steering damper system Jun. 1, 2004
6726232 Steering damper for saddle-type vehicle Apr. 27, 2004
6705631 Steering damper system for vehicles Mar. 16, 2004
6681905 Magnetorheological fluid-controlled vehicle suspension damper Jan. 27, 2004
6622830 Rotary damper Sep. 23, 2003
6540051 Damping force device with adjustable damping force Apr. 1, 2003
6401884 Fluidic dampening device Jun. 11, 2002
6311811 Pneumatic type of stabilizer for an automobile Nov. 6, 2001
6220009 Damping device for an open-end spinning rotor mounted in a contactless manner Apr. 24, 2001
6145637 Steering damper in and for vehicles Nov. 14, 2000
5971118 Motion damping apparatus Oct. 26, 1999
5927740 Steering damper in and for vehicles Jul. 27, 1999
5797469 Steering valve Aug. 25, 1998
5720370 Rotary damper Feb. 24, 1998
5704945 Brake-action knee joint Jan. 6, 1998
5577761 Suspension system of vehicle having damping means by rotary damper Nov. 26, 1996
5522485 Rotary damper Jun. 4, 1996
5516133 Steering stabilizer for bicycles May. 14, 1996
5497863 Rotary damper Mar. 12, 1996
5400878 Rotary viscous damper Mar. 28, 1995
5324065 Suspension assembly for a heavy vehicle, in particular for a tracked vehicle Jun. 28, 1994
5257681 Apparatus for damping movement Nov. 2, 1993
5121819 Segmented porous damper Jun. 16, 1992
5103943 Vibration damper for power unit Apr. 14, 1992
5090521 One-way damper Feb. 25, 1992
5085298 Pressure compensating relief and refill system Feb. 4, 1992
5064033 Rotary damper Nov. 12, 1991
4926984 Hydraulic shock absorber with nonlinear properties May. 22, 1990
4893700 Damping device, in particular for operating members in automotive vehicles Jan. 16, 1990
4886149 Rotary type hydraulic damper Dec. 12, 1989
4854344 Slow-close apparatus for minimizing water hammer and/or shock waves resulting from closure of valve means Aug. 8, 1989
4842106 Rate controllable damping mechanism Jun. 27, 1989
4825503 Braking apparatus for door closer May. 2, 1989

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