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Class Information
Number: 188/305
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. > Piston reciprocating along axis of oscillation
Description: Device provided with means for converting to-and-fro arcuate motion of said arm about a pivot line into a to-and-fro straight-line motion of a thrust member lengthwise of said pivot line.

Patents under this class:

Patent Number Title Of Patent Date Issued
7316303 Force-controlling mechanical device Jan. 8, 2008
7204104 Damper of drum type washing machine Apr. 17, 2007
6634033 Rotating damper Oct. 21, 2003
5604936 Self-lowering toilet seat Feb. 25, 1997
5097916 Active hydropneumatic suspension system Mar. 24, 1992
4934870 Production platform using a damper-tensioner Jun. 19, 1990
4898257 Active hydropneumatic suspension system Feb. 6, 1990
4887872 Track adjuster flow control mechanism Dec. 19, 1989
4270405 Steering mechanism with time derivation Jun. 2, 1981

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