Patent ID: 7490991
Filing Date: 2009-02-17
Classification: F15B,F16C

Abstract:
1. A guide mechanism for a cylinder apparatus for displacing a displacement member disposed outside of a main cylinder body in an axial direction, said guide mechanism being disposed between said main cylinder body and said displacement member, for retaining said displacement member displaceably with respect to said main cylinder body, said guide mechanism comprising: a pair of retaining members disposed respectively between said displacement member and a pair of guide sections formed on said main cylinder body for retaining said displacement member; bearings for making sliding contact with said guide sections; and elastic sections arranged respectively between said pair of retaining members and said displacement member for urging said pair of retaining members toward said guide sections, wherein said elastic sections comprise: a first elastic member on one of said pair of retaining members, which urges the one retaining member toward one guide section; and a second elastic member on another of said pair of retaining members, which urges the other retaining member toward another guide section.