| 摘要 |
PURPOSE: To fix and remove a seal ring without using another parts simply, surely, and at a low cost, for example, with the frame and cover of an industrial robot. CONSTITUTION: A seal ring 4 is fixed to a frame 1 by putting a ring shape spring 8 in the outer peripheral surface of the cylindrical part 4a of a seal ring 4 so that the inner peripheral surface of this cylindrical part 4a can be pushingly pressed against a shaft 3 and holding a brim part by the axial direction end surface of the frame 1 and a cover 5. |
