Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1984-07-05
1986-06-03
Schmidt, Frederick R.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29266, B23P 1902
Patent
active
045921245
ABSTRACT:
An elongated shank member is provided including a first end portion defining an endwise outwardly opening threaded bore therein for threaded engagement over a diametrically reduced threaded shaft end portion. A washer is also provided and is freely slidable on the second end portion of the shank member and the washer is of an outside diameter greater than the outside diameter of the first end portion of the shank member. A nut is provided and removably threadedly engaged on the second end of the shank member and is of size too great to be received through the center opening of the washer. Finally, a sleeve member is provided and is freely slidable on the shank member and abuttable by the washer. The second end portion of the shank member includes diametrically opposite flats and the first end portion of the shank member is of an outside diameter considerably greater than the outside diameter of the second end portion of the shank member. Also, the sleeve member includes a centrally apertured end wall through which the second end portion of the shank member is slidingly receivable and abuttable against the diametrically enlarged first end of the shank member.
REFERENCES:
patent: 1395587 (1921-11-01), McLachlan
patent: 3584365 (1971-06-01), Cuen et al.
patent: 3862483 (1975-01-01), Kloster
patent: 4209888 (1980-07-01), Glasscock et al.
patent: 4259774 (1981-04-01), Dolinski et al.
patent: 4457061 (1984-07-01), Eason
patent: 4472869 (1984-09-01), Yasui et al.
Jacobson Harvey B.
Keith Herman G.
Keith John M.
Schad Steven P.
Schmidt Frederick R.
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