Patent ID: 8393448

Claim:
A spring fork comprising: a cylinder; a compression stage piston arranged in the cylinder in a fixed manner, with first and second cylinder chambers located in the cylinder on both sides of the compression stage piston and holding hydraulic medium; a traction stage piston moveable in the cylinder, with the second cylinder chamber defined between the compression stage piston and the traction stage piston, with movement of the traction stage piston towards the compression stage piston compressing the hydraulic medium in the second cylinder chamber; at least one connection channel extending through the compression stage piston and connecting the first and second cylinder chambers for the hydraulic medium to flow; and an adjustment device movable with respect to the compression stage piston, with the adjustment device including a penetrating opening and a bypass bore with a cross-section reduced from a cross-section of the penetrating opening, with the adjustment device movable relative to the compression stage piston to align one of the penetrating opening and the bypass bore with the at least one connection channel connecting the first and second cylinder chambers, wherein a side of the compression stage piston facing the traction stage piston is covered by the adjustment device in a form of a washer rotational relative to the compression stage piston and spring-loaded against the compression stage piston, wherein the washer is provided with the penetrating opening and the bypass bore having different cross-sections and overlapping with the at least one connection channel by rotating the washer.