Drive for ratchet wrench, has ratchet head, with continuous receiving space, where continuous receiving space has receiving recess at inner wall, which forms positioning groove with smaller depth

摘要

The drive has a ratchet head (10), with a continuous receiving space (11). The continuous receiving space has a receiving recess (12) at the inner wall, which forms a positioning groove (13) with a smaller depth. A geared ring (20) is accommodated in the receiving space, which has a drive section (22) on the inner side and external teeth (21) on the peripheral side.