Patent ID: 6854303

Claim:
A lock comprising: a cylindrical lock encasement including; a front face; a sidewall; a rear face having a rounded rectangular shaped opening extending inward for less than the width of said sidewall for receiving a shackle and a hasp, said shackle designed to couple with said hasp attached to a device to be locked; a cavity extending inward from the surface of said sidewall towards the center of said encasement and adapted to receive a tumbler keyed locking mechanism; said sidewall having; an opening adapted to receive a tumbler keyed locking mechanism and opening into said cavity; a threaded opening for receiving a setscrew; a circumferential groove passing over said threaded opening; a first and a second diameter; a slip ring capable of coupling to said encasement by sliding axially from the rear to the front of said encasement, having; an opening for allowing a key to be inserted into said tumbler keyed locking mechanism; an opening for allowing said setscrew to be received into said threaded opening for said setscrew; said setscrew opening and said threaded opening located with respect to said sidewall opening and said slip ring opening such that inserting said setscrew aligns said sidewall opening over said slip ring opening; a third inside and fourth inside diameter; wherein said lock is resistant to torque force by the use of said slip ring axially attached to said case and said forward axial movement of said slip ring is precluded past said front face through the use of different circumferences on said sidewall and within the inside diameter of said slip ring.