CUSHION STRUCTURE OF CYLINDER

摘要

PURPOSE: To suppress the vibration of a cushion seal, and to prevent the generation of any sound when a cushion ring 26 is advanced to the cushion seal 34. CONSTITUTION: A spacer 35 is provided on the cushion seal 34 at the position adjacent to a rear part in the advancing direction of the cushion ring 26. This spacer is movable in the axial direction, and the inside diameter is set to be larger than the inside diameter of the cushion seal.