Patent
1978-01-23
1979-04-24
Combs, E. M.
10111, 10123P, B23G 500
Patent
active
041504500
ABSTRACT:
Apparatus for re-forming a helical screw thread includes a carrier; opposed jaws to be received in thread defined grooves at opposite sides of the body forming the thread; one jaw carried in fixed position by the carrier; a shaft mounting the other jaw and defining an axis of rotation; and brake means on the carrier and adjustable to selectively prevent rotation of the shaft and other jaw after the latter has been received in a thread groove, so that the jaw relative positions may remain fixed during thread re-forming.
REFERENCES:
patent: 1017403 (1912-02-01), Garbarino et al.
patent: 1754489 (1930-04-01), Stevenson
patent: 2495318 (1950-01-01), Dyson et al.
patent: 2508291 (1950-05-01), Porro
patent: 3793659 (1974-02-01), Edgar
Laub Steven D.
Laub, Jr. Henry A.
Combs E. M.
Haefliger William W.
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