| 摘要 |
PURPOSE: A structure of a gas absorber is provided to simplify a structure and reduce the number of parts by preventing a gas leakage from a gas chamber without an oil seal , so that product costs are lowered. CONSTITUTION: A stopping member(20) forms the gas room and includes a piercing hole(21) on the center for a piston rod to be extended or compressed and two or more containing groove(22) on the outside. An O-ring member(23) is mounted on the containing groove to prevent a gas leakage of the gas chamber. packing member(26) is equipped on the outside of the stopping member. A rod guide member(27) is equipped on the outside of the packing member and is fixed on the cylinder by the curing work with the cylinder. And a caulking part(35), which is caulked more three points on the outside of the cylinder, maintains the airtightness with the inside wall of the cylinder to prevent a gas leakage of the gas chamber.
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