| 摘要 |
PURPOSE:To prevent seizure due to incorrect positioning, by performing pin coupling, between a fixed scroll member and turning scroll member, through a rotation preventive ring and surely performing positioning. CONSTITUTION:A circular groove 8 is provided to a surface of a fixed scroll member 1, jointed with a turning scroll member 2, and a rotation preventive ring 7 is fitted into the circular groove. A hole is provided in an eccentric position of the rotation preventive ring 7, and a pin 6, protrusively fixed to the turning scroll member 2, is fitted into said hole. This pin is used, and the turning scroll 2 and the fixed scroll 1 can be surely performed positioning. |
