Feeder for feeding sheets having a recessed profile end edge

Details Feeder for feeding sheets having a recessed profile end edge Feeder for feeding sheets having a recessed profile end edge

1976-08-30

1977-09-20

Saifer, Robert W.

Sheet feeding or delivering

Feeding

By means to convey sheet

271233, 83278, B65H 910

Patent

active

040492613

ABSTRACT:
A sheet feeder for feeding sheets accurately in correct orientation, especially to a press for blanking pieces from the sheet, has an intermittent sheet-advancing action in which not only the movement of the sheet, but also its orientation with respect to the path of travel and its transverse position, are determined solely by pusher dogs without any need for side guides. The pusher dogs fit in recesses in the rear edge of the sheet in such a way that the transverse position of the sheet is determined accurately by an abrupt discontinuity of the recess or recesses engaging a pusher dog.

REFERENCES:
patent: 250304 (1881-11-01), Viellemard
patent: 1065086 (1913-06-01), Swift, Jr.
patent: 2260182 (1941-10-01), Knutsen et al.
patent: 2474944 (1949-07-01), Henry
patent: 3116658 (1964-01-01), Baker

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