Patent ID: 8850932

Claim:
A positioning device for a hand tool comprising: a handle, a tool head, a positioning member and an adjusting member; the handle having a groove defined at one end thereof, two first through holes respectively and coaxially opened at two opposite lateral surfaces of the groove, the groove having a chamber defined at a bottom thereof, the handle having a threaded hole defined in a lateral side thereof and communicated with the chamber; the tool head having a connecting portion extended therefrom and mounted in the groove of the handle, the connecting portion having a second through hole opened in a center thereof and corresponding to the first through holes, a pin passed through the first through holes and the second through hole, the connecting portion having a plurality of second teeth defined on a periphery of a bottom of the connecting portion and extended toward the chamber; the positioning member received in the chamber, the positioning member having a pusher and a spring, the pusher having a plurality of first teeth formed at one end thereof and engaged with the second teeth of the tool head, the pusher having a shank formed at another end thereof, the spring sleeving onto the shank, one end of the spring abutted against a bottom of the chamber; and the adjusting member having a threaded portion extended therefrom and abutted against the shank of the pusher, an extending portion extended from the threaded portion toward the chamber, a retaining portion defined at one end of the extending portion, one end of the shank extended to the extending portion and located between the threaded portion and the retaining portion.