Patent ID: 7237460

Claim:
A reversible ratchet-type wrench comprising: a handle; a head extended from the handle; a cavity disposed in a web defined between the handle and the head; a compartment disposed in the web and having a first end communicated with the cavity and a second end communicated with outside, thereby leaving a bridge in the web; a drive member rotatably mounted in a hole through the head, with the drive member including a plurality of teeth formed on an outer periphery thereof; a pawl disposed within the cavity and including a first side with a plurality of ratchet teeth for releasably engaging with the teeth of the drive member, with the pawl further including a second side with a recess; a rotatable switch member disposed within the compartment and including a turn-piece for manual operation and an actuating plate extended from the turn-piece, the switch member being switchable between two positions for changing ratcheting direction of the drive member, with the actuating plate of the switch member including a first receptacle that faces the recess of the pawl and that has a first end wall; an elastic element having a first end disposed with the first receptacle and a second end attached to the rotatable switch member; and a peg, with the peg having a first end movably received in the recess of the pawl and a second end, with the second end of the peg being received in the first receptacle, with the first end of the elastic element configured to bias the second end of the peg, with the peg and the elastic member being rotatable with the actuating plate and biasing the ratchet teeth of the pawl to engage with the teeth of the drive member.