Patent ID: 9457457
Filing Date: 2016-10-04
CPC Classification: B25B

Claim Text:
1. A ratchet wrench, comprising: a wrench member having a ratchet hole, an axial hole, and first inner teeth on a sidewall of the ratchet hole, wherein the axial hole has an end communicated with the ratchet hole; a driving shaft received in the axial hole of the wrench member for rotation, and having a gear and a driven portion at opposite ends thereof; a rotary member received in the ratchet hole of the wrench member for rotation, and having a barrel and a rim on an end of the barrel, wherein the barrel has a connecting bore to receive a transmission rod, the rim has annular teeth on a side facing the barrel to engage the gear of the driving shaft; at least a first paw provided on the barrel, and having first outer teeth to engage the first inner teeth of the wrench member; a grip having an axial hole for receiving the driven portion of the driving shaft; a tube fixedly received within the axial hole of the grip, wherein the tube has second inner teeth on an inner side thereof; the driving shaft is provided with a recess on the driven portion in alignment with the tube; a second paw provided on the driving shaft within the recess, and having second outer teeth to engage the second inner teeth of the tube; and a biasing member provided on the driving shaft between a bottom wall of the recess and the second paw for urging the second paw to engage the second outer teeth of the second paw with the second inner teeth of the tube.