Patent ID: 7765896
Filing Date: 2010-08-03
Classification: B25B

Abstract:
1. A reversible ratchet wrench, comprising: a drive shank having an end portion provided with a support base; an open shell pivotally mounted on the support base of the drive shank; a ratchet wheel mounted in the shell and having an outer wall provided with a plurality of ratchet teeth; a pawl member mounted between the support base of the drive shank and the ratchet wheel and having a first side provided with a sliding face slidably mounted on the support base of the drive shank and a second side provided with a toothed engaging face meshing with the ratchet teeth of the ratchet wheel; a cover mounted on the shell to cover the ratchet wheel, the pawl member and the support base of the drive shank; wherein the support base of the drive shank has an end face provided with two opposite arcuate guide rails and an arcuate slideway defined between the two guide rails; the sliding face of the pawl member is slidably mounted in the slideway of the drive shank and has opposite sides each provided with a guide track slidable on a respective one of the two guide rails of the drive shank.