| 主权项 |
1. A press-fit wrench capable for repetitive operation comprising:
a driving handle, one end thereof has a push portion and a receiving groove, the other end thereof has a holding port, and further a pivot hole is passing through the driving handle and arranged between the push portion and the receiving groove; a ring sleeve member, a sleeve hole is passing through the ring sleeve member, and a cutting hole is arranged at a peripheral of the ring sleeve member and fluidly communicated with the sleeve hole, the end of the driving handle having the push portion is inserted into the cutting hole and part of the push portion is exposed into the sleeve hole, a through hole is formed at the ring sleeve member corresponding to the pivot hole, and a bolt is passing through the through hole and the pivot hole; and an elastic member, accommodated in the receiving groove, one end of the elastic member is against the receiving groove and the other end thereof is against a wall surface of the cutting hole; wherein a screw or nut is passing through the sleeve hole and the push portion and a wall of the sleeve hole are stopped against a side of the screw or nut to cooperate with the driving handle to repetitively pivot through the arrangement of the driving handle and the ring sleeve member so that the push portion and the wall of the sleeve hole are capable for stopping against the screw or nut with tight engagement and the elastic member is capable for making the ring sleeve member skip to release engagement for smooth and quick operation. |
