Plate type punching machine

Details Plate type punching machine Plate type punching machine

1977-11-10

1979-11-27

Coan, James F.

B31B 174

Patent

active

041754778

ABSTRACT:
A plate type punching machine in which sheets of paper supplied to the machine are transferred intermittently while held by sheet holding pawls on endless chain belts. Upon reaching the punching die, each sheet is formed with cut lines. This sheet is placed on a board and the cut sections are removed by remover bars in remover bar frames arranged movable vertically on both upper and lower sides of the board. The board is supported by a support which is carried by a mount such that the support is movable out of or into one side of a machine frame. The end on one side of the mount is pivotally secured to the machine frame by pins so that the mount is pivotable up and down about the pins. The other side end of the mount is pivotally joined to rods whose other ends are joined to eccentric shafts connected to a bevel gear. The bevel gear is meshed with another bevel gear secured to an end of a shaft which has provided at its other end a handle.

REFERENCES:
patent: 3055275 (1962-09-01), Schroter
patent: 3060776 (1962-10-01), Bobst et al.
patent: 3786731 (1974-01-01), Bobst et al.
patent: 3865020 (1975-02-01), Erba et al.

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