Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1981-03-12
1982-12-21
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
72403, 10 11A, 10 13, B21D 2200
Patent
active
043642560
ABSTRACT:
For releasably latching the punch-carrier plate in a press for moulding screws, rivets and like articles from wire blanks, a latching member is provided which has a front hollow space which is adapted alternately to engage either of two projecting extensions integral with the punch plate, said latching member being biassed by springs which normally urge the front hollow space thereof in engagement with either extension, a follower mechanism being additionally provided to shift the latching member against the bias of the springs to permit that the punch plate may be swung towards either of its two working positions.
REFERENCES:
patent: 2386550 (1945-10-01), Hesselman
patent: 3245097 (1966-04-01), Domingo
patent: 3755839 (1973-09-01), Enody et al.
patent: 3945072 (1976-03-01), Enody et al.
patent: 3965716 (1976-06-01), Suzuki
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