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Class Information
Number: 188/302
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.
Description: Device wherein a mechanism is connected to the device by an arm pivoted thereto so that movement of the mechanism causes movement of the arm to-and-fro in an arc of a circle, and wherein said arm is connected to a thrust member so as to cause movement of said thrust member to-and-fro in a straight line within a chamber.










Sub-classes under this class:

Class Number Class Name Patents
188/304 Dual pistons 18
188/305 Piston reciprocating along axis of oscillation 9
188/303 Pistons reciprocating oppositely in nonaligned cylinders 19


Patents under this class:

Patent Number Title Of Patent Date Issued
7694987 Bicycle damping enhancement system Apr. 13, 2010
7059454 One-way braking device Jun. 13, 2006
6540051 Damping force device with adjustable damping force Apr. 1, 2003
6352143 Vibration damping system using a hydraulic damper with a field responsive fluid control Mar. 5, 2002
6244982 Hydraulic chain tensioner with a piston having a plurality of sliding elements Jun. 12, 2001
6068351 Hydraulic braking axle May. 30, 2000
5604936 Self-lowering toilet seat Feb. 25, 1997
5324065 Suspension assembly for a heavy vehicle, in particular for a tracked vehicle Jun. 28, 1994
4768628 Shock absorber for a suspension element of a heavy vehicle Sep. 6, 1988
4466803 Belt tensioner and method of making the same Aug. 21, 1984











 
 
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