Lane, Aitken, Dunner & Ziems
Feeding device for the rotary die head of an automatic high-speed cold heading machine
 The disclosed invention relates to a feeding device for a rotary die head of an automatic highspeed cold heading machine adapted for forming bolts, machine screws, rivets, and like products and, more particularly, to an intermittent rotary motion mechanism consisting principally of one or two pairs of cam gears and an epicyclic train of gears for transmitting an intermittent rotary motion to the rotary die head of the heading machine. 
B
B21K
inventional
Yuan Ho
Lee