Sealing structure for fluid pressure device
AssigneeSMC Corporation
InventorsChiaki Fukui, Kazuyoshi Takahashi, Atsushi Tamai
Life of this patent
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Abstract
A sealing mechanism is mounted at an end section of a cylinder tube, which configures a cylinder device, by having a step section in between, and the sealing mechanism is sandwiched between the cylinder tube and a rod cover. The sealing mechanism includes a thin plate formed of a metal material, and a sealing member attached to one side surface of the plate. The plate and the sealing member are integrally arranged.
Claims10
A seal structure for a fluid pressure device, in which a piston is displaced along a cylinder chamber under action of a pressure fluid supplied to the cylinder chamber of a cylinder tube, for maintaining airtightness of the cylinder chamber, comprising:
- a seal member installed in an opening end of said cylinder tube, said seal member including:
- a first seal element gripped between said cylinder tube and a cover member that closes said opening end;
- and
- a second seal element surrounding an outer circumferential surface of a piston rod connected to said piston,
- wherein said seal member is formed from an elastic material.
Dependencies are inferred from the claim text.