Ratchet screwdriver comprises a screw blade and a ratchet having a crown gear and a blocking element

摘要

Ratchet screwdriver comprises a screw blade (1) and a ratchet having a crown gear (5) and a blocking element (6). The screw blade is able to rotate with the ratchet in one direction. The direction of rotation can be reversed by controlling the blocking element. Preferred Features: The crown gear has an upper first toothed arrangement (51) on the outer side and an opposing lower second toothed arrangement (52). The blocking element has an upper first toothed segment (61) and an opposing lower second toothed segment (62). The firs toothed segment interacts with the first toothed arrangement and the second toothed segment interacts with the second toothed arrangement so that the direction of rotation of the screw blade can be reversed.