Method for removing O-rings and backup rings from annular indent

Details Method for removing O-rings and backup rings from annular indent Method for removing O-rings and backup rings from annular indent

1987-09-10

1989-03-21

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Disassembling

29235, 29267, 7169, B23P 1904

Patent

active

048131202

ABSTRACT:
A tool for extracting seated o-rings from a confining annular indentation having an elongated o-ring prying section coupled to a handle, the prying section including a curved terminal portion affixed to the handle, a recess formed between the curved terminal portion and the handle to deter interference between the tool and shoulder portions of the indentation during prying of the o-ring out of the indentation upon rocking of the handle.

REFERENCES:
patent: 532557 (1895-01-01), Hoffman
patent: 861666 (1907-07-01), Merrit
patent: 2503683 (1950-04-01), Perkins
patent: 2661487 (1953-12-01), Hicks et al.
patent: 3132414 (1964-05-01), DeBacco et al.
patent: 3145463 (1964-08-01), Hockett
patent: 3577848 (1971-05-01), Mengle
patent: 3879778 (1975-04-01), Archer
patent: 4034595 (1977-07-01), Smith
patent: 4141129 (1979-02-01), Martini
patent: 4233864 (1980-11-01), Gutierrez, Jr.
patent: 4330917 (1982-05-01), Dzurkovich
patent: 4649618 (1987-03-01), Harrison
patent: 4722129 (1988-02-01), Keller

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