High speed machine for cold forging screws, rivets, and the like

Details High speed machine for cold forging screws, rivets, and the like High speed machine for cold forging screws, rivets, and the like

1979-03-20

1980-12-09

Gilden, Leon

10 13, 10 25, B21K 144

Patent

active

042375665

ABSTRACT:
A high speed machine for cold forging screws, rivets, and the like comprises a frame supporting a die-carrying head thereon reciprocates a punch carrying slide, shears having a fixed and a movable blade, and a bar stock shearing device including a linkage effective to transmit at least part of the movement and energy of the punch carrying slide to the movable blade and convert the reciprocating motion of the slide into a reciprocating motion of the movable blade.

REFERENCES:
patent: 2139936 (1938-12-01), Clouse
patent: 3551926 (1971-07-01), Ferre
patent: 3720968 (1973-03-01), Garlacchi
patent: 4023452 (1977-05-01), Lee
patent: 4044588 (1977-08-01), Haines

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