Arrangement for separating sheets of paper and the like

Details Arrangement for separating sheets of paper and the like Arrangement for separating sheets of paper and the like

1974-11-18

1976-08-24

Love, John J.

Sheet feeding or delivering

Feeding

Separators

271 12, 271 30A, 271 37, 271104, 271122, 271146, 271149, B65H 310, B65H 352, B65H 102

Patent

active

039762912

ABSTRACT:
In the arrangement, a batch or stack of vertically oriented recording media sheets is supported on edge on a horizontal vibrating table which is vibrated by a vibrating conveyor and the sheets are advanced singly, starting with the leading or frontmost sheet, through a separating slot between a pair of endless belts constituting a transporting arrangement. A first rotating suction drum is mounted at the rear end of the vibrating table and is formed with circumferentially spaced suction bores for operative relation with a rotary slide valve to connect the suction bores intermittently to a suction system. A second rotating suction drum is arranged within the range of the separating slot and serves as a separating drum, and a hold-back suction drum is also arranged within the range of the separating slot and serves as a hold-back device, the hold-back suction drum having the same design as the first rotating suction drum. The second rotating suction drum is also operatively associated with a rotary slide valve and has a single series of slots aligned in an axial plane and intermittently connected to a suction system by the associated rotary slide valve.

REFERENCES:
patent: 3025052 (1962-03-01), Gutteling
patent: 3126199 (1964-03-01), Rosoff
patent: 3173684 (1965-03-01), Binzoni et al.
patent: 3235249 (1966-02-01), Street et al.
patent: 3240489 (1966-03-01), Pinckney et al.
patent: 3291482 (1966-12-01), Stemmler

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