Overlapped-transfer preventing paper supply device in image form

Details Overlapped-transfer preventing paper supply device in image form Overlapped-transfer preventing paper supply device in image form

1989-11-27

1991-06-25

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271122, B65H 352

Patent

active

050260430

ABSTRACT:
An overlapped-transfer preventing paper supply device in an image-forming apparatus includes an overlapped-transfer preventing member and a rotary paper supply member in an overlapped-transfer preventing portion. A sheet-returning member returns a sheet located in the vicinity of the overlapped-transfer preventing portion to a sheet source or supply and moves from a downstream side to an upstream side of the overlapped-transfer preventing portion. A drive operates in response to a sheet-returning signal to move the sheet-returning member in a sheet-returning direction. A sheet located in the vicinity of the overlapped-transfer preventing portion can be prevented from being damaged, and jamming due to such sheet can be prevented.

REFERENCES:
patent: 3861670 (1975-01-01), Kraft
patent: 4709911 (1987-12-01), Saiki et al.
patent: 4779861 (1988-10-01), Ozawa et al.
patent: 4852868 (1989-08-01), Fukui et al.

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