Patent ID: 9487256
Filing Date: 2016-11-08
CPC Classification: A47C,B62J,B62K

Claim Text:
1. A bicycle seat adjustment assembly comprising: a fixing member configured to be connected to an underside of a seat, a lever pivotably connected to the fixing member and a connection part extending from an under side of the fixing member, the connection part having a passage and an end of the lever located at an end of the passage; an outer tube having a first end configured to be connected with a bicycle frame and a second end of the outer tube having a reception room which is in open communication with an interior of the outer tube, a collar mounted to an outside of the reception room of the outer tube, and a positioning member connected to the first end of the outer tube; an inner tube located in the outer tube and a first end of the inner tube extending out from the outer tube and connected with the connection part, the connection part extending into the inner tube; a cylinder located within the outer tube and the inner tube, a piston rod located in the cylinder and a first end of the piston rod extending out from a first end of the cylinder and connected to the connection part within the passage, the first end of the piston rod being in operable contact with the lever to retract the piston rod and the inner tube therewith, a first positioning portion connected to a second end of the cylinder and connected to the positioning member for fixing the cylinder within the outer tube, the cylinder including a second positioning portion at the first end thereof; a buffering member located within the inner tube and comprising an annular ring circumscribing the second positioning portion and overlaying the first end of the cylinder with an opening formed therein for passage of the piston rod therethrough, the buffering member buffering, an impact between the first end of the cylinder and the connection part of the fixing member when the inner tube is displaced into the outer tube as the piston rod is displaced into the cylinder; and a first sleeve mounted to a second end of the inner tube.