Patent ID: 6851528
Filing Date: 2005-02-08
Classification: F16F

Abstract:
1. A shock absorber, comprising: a shock rod having a longitudinal axis, a first end, and a second end; a shock body disposed around the first end of the shock rod, the shock body defining a fluid chamber therein and being slidable along the shock rod longitudinal axis, the shock body having a first end and a second end, the shock rod extending through the shock body second end such that the shock rod second end is disposed outside the shock body; a piston disposed on the first end of the shock rod in sealing engagement with the shock body, the piston having at least one channel therethrough in communication with the fluid chamber, the piston separating the shock body fluid chamber into a first fluid chamber and a second fluid chamber, the first fluid chamber being disposed between the shock body first end and the piston, the second fluid chamber being disposed between the shock body second end and the piston; a third fluid chamber in fluid communication with the first fluid chamber; a first outlet through which fluid may pass between the first fluid chamber and the third fluid chamber; a fourth fluid chamber in communication with the third fluid chamber having a volume sufficient to accommodate fluid displaced by the shock rod; a second outlet through which fluid may pass at least in the direction from the third fluid chamber to the fourth fluid chamber; and a third outlet through which fluid may pass at least in the direction from the third fluid chamber to the fourth fluid chamber.