Cotter-pin extracting pliers

Details Cotter-pin extracting pliers Cotter-pin extracting pliers

1984-09-04

1986-02-04

Smith, James G.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

81302, B23P 1904

Patent

active

045676356

ABSTRACT:
The invention to which this specification pertains represents a new design in cotter-pin extracting pliers, in that the toothed end of this invention is recessed down into the forked end, and the toothed end and forked end are flush with each other, the combination of which characteristics facilitate removal of deeply set pins from shafts and nuts. Another improvement is found in the fact that the pin to be removed is surrounded by the forked end of this invention to prevent slippage. We believe that the extended and upwardly curved upper jaw, unique to our invention, will make possible a tool which will better perform the job of extracting cotter-pins; at the same time, the compact design and the placement of the pivot point make possible a tool requiring a very small amount of space in which to perate, because compression of the handles is the only movement required.

REFERENCES:
patent: D58453 (1921-07-01), Anderson
patent: 1258674 (1918-03-01), Hampell
patent: 1468252 (1923-09-01), Anderson
patent: 1476695 (1923-12-01), De Graff
patent: 1608327 (1926-11-01), Lemmon
patent: 1701052 (1929-02-01), Osborne
patent: 2220317 (1940-11-01), Cynoske

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