Patent ID: 8246476
Filing Date: 2012-08-21
Classification: B25B,F16D

Abstract:
1. A universal joint comprising: a swivel member having a swivel body and a first driving portion, the swivel body being formed at a bottom end of the swivel member and having at least one cavity formed at a surface thereof, the at least one cavity extending downwardly from a lateral side of the swivel body, the first driving portion being formed at a top end; a driven socket having a concavity formed at a top end thereof, a second driving portion formed at a bottom end thereof, an annular recess formed at an upper part of a peripheral wall of the concavity, and at least one recession formed at the peripheral wall of the concavity and corresponding to the at least one cavity of the swivel body, a retaining ring being formed in the annular recess, the swivel body being received in the concavity; at least one mediator interacting with the at least one recession and the at least one cavity and located between the swivel body and the driven socket; and further comprising a sleeve, wherein the sleeve is movably sleeved onto the driven socket and can be moved between a first position and a second position, the sleeve having a retaining fringe formed at a top end thereof; when the sleeve is located at the second position, the retaining fringe is located around the swivel member to prevent the swivel member from pivoting movement.