Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1991-11-29
1993-02-02
Olszewski, Robert P.
Sheet feeding or delivering
Feeding
Separator and conveyor
271225, 271186, 271902, B65H 500, B65H 2900
Patent
active
051832410
ABSTRACT:
Disclosed herein is a device for feeding sheets one by one. This device basically comprises a suction pad moved toward stacked sheets so as to attract an uppermost sheet of the stacked sheets thereto, a drum rotatable in both forward and reverse directions, a first belt-type conveying system disposed on one part of the surface of the drum, a second belt-type conveying system disposed on another part of the surface of the drum, a sheet insertion port defined by the drum and the first belt-type conveying system, and a sheet withdrawal port defined by the drum and the second belt-type conveying system. The device is also characterized in that the suction pad is displaced to face the sheet insertion port so as to interpose the uppermost sheet between the drum and the first belt-type conveying system, followed by transfer toward the second belt-type conveying system, and the uppermost sheet is reversed by the drum and the second belt-type conveying system so as to be discharged from the sheet withdrawal port.
REFERENCES:
patent: 4007669 (1977-02-01), Achelpohl
patent: 4089515 (1978-05-01), Stange et al.
patent: 4557474 (1985-12-01), Davis et al.
patent: 4884097 (1989-11-01), Giannetti et al.
patent: 5089857 (1992-02-01), Xydias
Fuji Photo Film Co. , Ltd.
Olszewski Robert P.
Reiss Steven M.
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