Patent ID: 6929024

Claim:
For use with a hand operated, cartridge-removal wrench having an aperture at one end defining a slotted portion, an elongate threaded device having a mounting shaft at one end, and a series of external threads at the other end, said mounting shaft being generally circular and having an internally threaded hole located on its centerline, which hole extends from said mounting shaft end of said device for a considerable distance along the length of said device, said mounting shaft sized to be inserted into the apertured end of the hand operated wrench, with means on said device able to closely engage the slotted portion of such wrench, said internally threaded hole being engagable by an elongate screw, to prevent undesired separation of said elongate device from the wrench during use, with said means preventing rotation of said mounting shaft with respect to the wrench during use of said elongate device, said external threads of said device being of a diameter for tightly engaging a faulty cartridge to be removed during utilization of the wrench.