Sheet handling apparatus provided with a sheet sucking unit

Details Sheet handling apparatus provided with a sheet sucking unit Sheet handling apparatus provided with a sheet sucking unit

1990-11-19

1993-01-26

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separators

271 91, 271103, 271106, 271261, 271265, B65H 330

Patent

active

051817071

ABSTRACT:
An sheet handling apparatus includes suckers for sucking up a sheet from a sheet storing unit and two sensors which are disposed on the suckers. One of the sensors detects whether the suckers come into contact with the topmost sheet of a sheet stack in the sheet storing unit, and the other sensor detects whether there is a sheet in the sheet storing unit. After the suckers were operated to suck up a sheet, these sensors detect whether the suckers catch the sheet.

REFERENCES:
patent: 3937457 (1976-02-01), Schwebel
patent: 3966197 (1976-06-01), Riedl et al.
patent: 4236954 (1980-12-01), Edwards
patent: 4327906 (1982-05-01), Frohlich et al.
patent: 4720227 (1988-01-01), Eberle
patent: 4958824 (1990-09-01), Willits et al.
patent: 4968019 (1990-11-01), Tanabe et al.

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