Patent ID: 7107876

Claim:
A screwdriver, comprising a body, a ratchet wheel, two pawl members, two elastic members, a cover, and a catch plate, wherein: the body has a first end formed with a receiving hole, a plurality of receiving recesses communicating with the receiving hole and a positioning slit in communication with the receiving recesses; the ratchet wheel is mounted on the body and has an outer wall formed with an annular toothed portion mounted in the receiving hole of the body; each of the pawl members is mounted in a respective one of the receiving recesses and has a first face formed with a toothed portion engaged with the toothed portion of the ratchet wheel, each of the pawl members has an end formed with a driven block; each of the elastic members is urged between a side face of a respective one of the receiving recesses of the body and a respective one of the pawl members; the cover is rotatably mounted on the body and has a closed end formed with a depression formed with a protruding urging block having two urging sides each of which is movable with the cover to press the driven block of a respective one of the pawl members; and the catch plate comprising a portion fit in the positioning slit of the body, another portion located in the receiving hole and two other portions located in the receiving recesses to retain the toothed portion of the ratchet wheel, the pawl members and the elastic members in the body.