Patent ID: 6202513
Filing Date: 2001-03-20
Classification: B25B

Abstract:
A socket wrench comprises:a handle and a box head,the box head having a rotating seat, a recess, and three concave points,the rotating seat having four protruded blocks, four control grooves defined by the protruded blocks, and a center hole,a rotating shaft inserted in the center hole of the rotating seat,the rotating shaft having a first post and a second post,an adjusting plate inserted in the recess of the box head,the adjusting plate having two arm plates and a protrusion,the arm plates inserted in one of the control grooves,the protrusion of the adjusting plate inserted in one of the concave points of the box head,two rolling cylinders and an elastic corrugation plate disposed between the arm plates,the elastic corrugation plate located between the rolling cylinders,an annular casing covering a first face of the box head,the annular casing having a round hole receiving the first post,an annular cover covering a second face of the box head,the annular cover having a circular hole receiving the second post.