Apparatus for disassembling mating taper connections

Details Apparatus for disassembling mating taper connections Apparatus for disassembling mating taper connections

2005-04-26

2005-04-26

Hong, John C. (Department: 3726)

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

C029S700000

Reexamination Certificate

active

06883217

ABSTRACT:
A disassembly tool for disassembling components secured together by a mating taper connection. The disassembly tool of the present invention includes a self-tapping sleeve for securement in the longitudinal bore of the component having the female portion of the locking taper connection. The self-tapping sleeve includes self-tapping external threads for securing the self-tapping sleeve in the longitudinal bore of the component having the female taper. The self-tapping sleeve further includes a longitudinal bore having internal threads mating with external threads of a threaded inner rod. In use, the self-tapping sleeve is engaged in the longitudinal bore of the component having the female taper. The threaded inner rod is thereafter threaded through the threaded longitudinal bore in the self-taping sleeve until the distal end of the threaded rod abuts the end of the component having the male taper and forces separation of the locking taper connection.

REFERENCES:
patent: 4051559 (1977-10-01), Pifferi
patent: 5002578 (1991-03-01), Luman
patent: 5540687 (1996-07-01), Fairley et al.
patent: 5653765 (1997-08-01), McTighe et al.
patent: 6491696 (2002-12-01), Kunkel
Brochure—ZMR Revision Taper Hip Prosthesis, Zimmer 1999, 2002, 25 pages.

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