Patent ID: 7047842

Claim:
A pawl mechanism of a ratchet wrench, comprising: a wrench main body having a head section formed with a first receiving cavity which is composed of a first recess and a first receptacle, the first receiving cavity being formed with a first thread hole and a second thread hole, a bottom of the first recess being formed with a locating hole and a through hole; a pawl disposed in the first recess of the wrench main body; a shift member including a lever and a rotary shaft connected therewith, the rotary shaft being fitted through the through hole of the bottom of the first recess of the wrench main body and integrally connected with the pawl; a ratchet wheel mounted in the first receptacle of the first receiving cavity of the wrench main body; and an upper cover disposed on the wrench main body corresponding to the ratchet wheel and the pawl and covering the first receiving cavity, said wrench main body including four engaging recesses being located on the bottom of the first recess of the wrench main body, a first engaging channel and a second engaging channel being respectively formed on two sides of the pawl corresponding to two of the four engaging recesses of the wrench main body, a spring and a steel ball being disposed in each of the first and second engaging channels, whereby the steel balls can be located in the corresponding engaging recesses of the wrench main body.