Patent ID: 7992471
Filing Date: 2011-08-09
Classification: B25B,B25G

Abstract:
1. A positioning apparatus for hand tool comprising: a shank, the shank having a connecting end defined in one end thereof, the connecting end having a receiving space defined therein and a slot defined in a lateral thereof, the slot communicated with the receiving space; a driving head connected to the connecting end, the driving head having multiple positioning holes defined therein; a switch connected to the connecting end, the switch comprising a screw; and a positioning device connected to the connecting end and received in the receiving space, the positioning device comprising a spring, a pusher, and a base, the base received in the receiving space, the base having a recess defined therein for receiving the spring and the pusher, the base having a slot defined in a lateral thereof and communicated with the recess, the slot in the base corresponding to the slot in the shank, the spring having one end abutting against a bottom of the recess and the other end abutting against the pusher; wherein the screw passes the switch and fastens with the pusher via the slot in the shank and the slot in the base; the pusher selectively engages with one of the multiple positioning holes.