Patent ID: 6964216
Filing Date: 2005-11-15
Classification: B25B

Abstract:
1. A selective one-way wrench comprising: a handle; an annular head from which the handle projects, the annular head defining a first space and a second space communicated with the first space; a gear rotationally put in the first space, the gear including a toothed external face; a direction controller put in the second space, the direction controller including two pawls and a spring installed between the pawls, each of the pawls including a toothed face; and a direction switch including a first element installed rotationally on the handle and a second element put in the second space and operable connected with the first element for bringing the toothed face of selective one of the pawls into engagement with the toothed external face of the annular gear wherein the first element includes a cylinder extending from a bottom thereof, and the second element includes a rod extending from a top thereof, and the cylinder of the first element receives the rod of the second element.