Patent ID: 9488242
Filing Date: 2016-11-08
CPC Classification: B60G,F16F

Claim Text:
1. A shock absorber comprising: a shock absorber body having a cylindrical outer shell, and a piston rod capable of going in/out of the outer shell and adapted to generate a damping force suppressing relative movement of the piston rod in an axial direction with respect to the outer shell; a cylindrical dust cover connected to the piston rod and adapted to allow entry of the outer shell to an inside; a cylindrical collar attached to the outer shell and arranged on an outer periphery of the piston rod; a seal member; and a cylindrical seal case provided on a piston rod side end of the outer shell, the seal case having the collar is mounted to the flange portion, the small-diameter portion accommodates the seal member, and the collar is welded to the flange portion so as to be fitted to the outer shell through the seal case and surround the small-diameter portion.