Apparatus for forming railroad spikes and the like

Details Apparatus for forming railroad spikes and the like Apparatus for forming railroad spikes and the like

1980-08-28

1982-08-03

Godici, Nicholas P.

10 58, 10 59, B21G 312, B21G 316

Patent

active

043421270

ABSTRACT:
Railroad spikes and the like are formed by apparatus having a stop contacting and limiting movement of the forwardmost end of a heated stock bar. A bending finger holds the forwardmost end in spaced relation from a stationary gripper die, while a movable gripper die engages the bar and moves it into engagement with the stationary gripper die. Cutter dies then engage the bar to form a tapered end portion at a predetermined location rearward of the forwardmost end as a head forming die engages the forwardmost end to form a spike head. The movable gripper die is urged toward the bar with a force which is proportional to the force exerted by the head forming die on the movable gripper die. The finished spike is ejected when it contacts an ejector finger.

REFERENCES:
patent: 319587 (1885-06-01), Koplin
patent: 343839 (1886-06-01), North
patent: 415494 (1889-11-01), Bowman
patent: 422151 (1890-02-01), Pessenger
patent: 1345064 (1920-06-01), Berkeley
patent: 1774915 (1930-09-01), Crane

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