Patent ID: 6279430
Filing Date: 2001-08-28
Classification: B25B,B25G

Abstract:
An F-type socket wrench comprising:a handle having an opening at one side near a front end, an axial screw hole at said front end in communication with said opening, and an axial blind hole extended from one side of said opening and disposed in longitudinal alignment with said axial screw hole;a coupling block having a base mounted in said opening of said handle, a transverse front groove at a front side of said base, a transverse back groove at a back side of said base, and a square coupling rod perpendicularly raised from an upper surface of said base for turning a wrench socket;a spring mounted in said axial blind hole of said handle to impart a forward pressure to said base of said coupling block;a steel ball supported on said spring and abutting said transverse back groove of said base of said coupling block; anda tightening screw threaded into said axial screw hole of said handle and having a rounded front end abutting said transverse front groove of said base of said coupling block.