CPC B62J 1/08 (2013.01) [B62J 2001/085 (2013.01)] | 19 Claims |
1. A height adjustable seat post for a bicycle, the height adjustable seat post comprising:
an upper tube and a lower tube configured in a telescopic arrangement, a lower end of the lower tube to be coupled to a frame of the bicycle, the upper tube to be coupled to a seat;
a shaft coupled to the lower tube and extending into the upper tube;
a piston assembly coupled to the shaft and disposed in the upper tube, the piston assembly including a piston dividing the upper tube into a first chamber and a second chamber, the first and second chambers filled with fluid;
a valve operable between a closed state in which the fluid is blocked from flowing between the first and second chambers and an open state to enable the fluid to flow between the first and second chambers; and
a solenoid to control the valve.
|