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Class Information
Number: 188/304
Name: Brakes > Internal-resistance motion retarder > Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) > Rectilinear reciprocation of piston caused by arcuately oscillating frame, shaft, arm, axle, etc. > Dual pistons
Description: Device provided with two thrust members facing oppositely and spaced apart from each other, wherein a connection from said arm is positioned in the space between said members.










Patents under this class:

Patent Number Title Of Patent Date Issued
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7478708 Shock absorber Jan. 20, 2009
7073643 Compensated rod for a frequency dependent damper shock absorber Jul. 11, 2006
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6911050 Prosthetic knee unit Jun. 28, 2005
6837343 Shock absorber Jan. 4, 2005
6609597 Dampening apparatus Aug. 26, 2003
6425467 Actuation arrangement for movable components on vehicles Jul. 30, 2002
6286642 Fluid regulating device for use with a shock-absorbing cylinder to obtain a variable shock absorbing effect Sep. 11, 2001
6202807 Speed controlling hydraulic dampener Mar. 20, 2001
6142270 Tie device for transmitting force between two structural elements Nov. 7, 2000
5765313 Method and apparatus for real-time structure parameter modification Jun. 16, 1998
4315636 Working vehicle Feb. 16, 1982
4090589 Fail safe valve actuator May. 23, 1978











 
 
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