Patent ID: 6684739
Filing Date: 2004-02-03
Classification: B25G,Y10T

Abstract:
A hand tool angle adjustment structure comprising a handle, said handle having a substantially U-shaped front coupling portion, a screw hole transversely extended through one side of said U-shaped front coupling portion, and a through hole transversely extended through an opposite side of said U-shaped front coupling portion in axial alignment with said screw hole, a work head, said work head comprising a flat, cylindrical coupling portion extended from a rear side thereof and rotatably mounted on said U-shaped front coupling portion of said handle and a mounting hole extended through a cylindrical periphery of said cylindrical coupling portion and aligned between the through hole and the screw hole of said handle, said mounting bole having a narrow middle portion fitting the outer diameter of a threaded shank of a lock bolt and two expanded end portions of oblong cross section at two distal ends thereof, and said lock bolt being inserted through the through hole of said handle and the mounting hole of said work bead and threaded into the screw hole of said handle to secure said work head to said handle.