Controlling system for mechanisms delivering sheets taken off fr

Details Controlling system for mechanisms delivering sheets taken off fr Controlling system for mechanisms delivering sheets taken off fr

1984-03-30

1986-09-09

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 31, 271 98, 271155, 271272, B65H 108, B65H 308, B65H 502

Patent

active

046104445

ABSTRACT:
A controlling system for mechanisms which deliver sheets taken off from a sheet pile in a processing machine. A first height detecting element for a rear part of the sheet pile and a second height detecting element for a front part of the sheet pile are provided with respective first and second detection fingers. The first and second detecting elements are connected to a command circuit which actuates a reduction motor driving the elevator lifting the sheet pile. The calculator also actuates the motor for the lifting or lowering of the sucking unit. The device is used in devices feeding sheets taken off from the top of a pile into a processing machine.

REFERENCES:
patent: 3446496 (1969-05-01), Schwebel
patent: 3716226 (1973-02-01), Kistner
patent: 4077620 (1978-03-01), Frank et al.
patent: 4332124 (1982-06-01), Jaton
Phillips, R. A., "Synchronous Stacking Device", Research Disclosure, Jul., 1977, pp. 60-62.

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