BUMP STOPPER FOR SHOCK ABSORBER

PROBLEM TO BE SOLVED: To provide a bump stopper adapting for impact of a cylinder moving up and down in response to an operation state of a vehicle.SOLUTION: This invention provides a bump stopper for shock absorber including a plurality of corrugated protrusions and corrugated shape grooves equally spaced apart and continuously formed at an outer peripheral surface of an elastic shell made of synthetic resin having a thickness of about 1.5 mm to 5 mm to form a hollow wrinkled pipe, a fastening member formed to be attached to the shock absorber on an upper stage of the shell, a through-hole arranged inside the fastening member, a drawing hole formed at a central part of a shock absorbing plate constituting a lower surface of the shell so as to cause a cylinder rod to be drawn, a wedge-like engaging protrusion formed at the fastening member of the shell so as to be engaged with a short chin of a spring retainer of the shock absorber, and an O-ring shaped shock relaxation member made of soft synthetic resin placed at a "" shaped bent part formed at the corrugated protrusions of the shell, inside of the corrugated groove and outside contact region in order to alleviate the shock applied to the bent part when the sell contracts.