Lane, Aitken, Dunner & Ziems
Feeding device for multi-headed radial type nut tappers
 A feeding device for multi-headed radial type nut tappers. The device includes a drum having a plurality of sliding guides provided on the exterior walls thereof, and a rotary hopper provided around the upper periphery thereof, and coaxial therewith. The hopper is rotated around its axis for the purpose of feeding nut blanks into the sliding guides from where they are fed to the front of the tapping heads of the nut tapper. 
B Y B
B23G Y10T B23G
inventional additional inventional
Yuan Ho
Lee