Patent ID: 7121171
Filing Date: 2006-10-17
Classification: B25B

Abstract:
1. A bi-directional ratchet spanner with a ratchet control structure, comprising: a ratchet unit; a handle; a first receiving portion for receiving the ratchet; a second receiving portion; a braking block being received in the second receiving portion; a third receiving portion; a switch unit being received in the third receiving portion; wherein a wall of the third receiving portion has a first trench and a second trench; one end of the switch unit in the third receiving portion is formed with a concave portion and a through hole; the concave portion receives one end of a positioning rod; another end of the positioning rod is received in a sliding trench of the braking block; and a control element is received in the through hole; and wherein by moving the switch unit, the positioning rod and control element will control the rotation direction of the ratchet.