Sheet-supply device having a drive force transmission mechanism

Details Sheet-supply device having a drive force transmission mechanism Sheet-supply device having a drive force transmission mechanism

1996-12-18

1999-09-07

Milef, Boris

Sheet feeding or delivering

Feeding

Separator and conveyor

271 1012, 271114, 271242, B65H 500

Patent

active

059474653

ABSTRACT:
A sheet-supply device for supplying a sheet from a stack of sheets to a print mechanism, the sheet supply device including: a sheet-feed roller for feeding the sheet in a sheet-feed direction; a rotatable transport roller disposed downstream from the sheet-feed roller in the sheet-feed direction; a drive source for generating a drive force by rotating in a forward rotational direction to rotate the transport roller in a sheet-transport rotational direction for transporting the sheet away from the sheet-feed roller and a reverse rotational direction to rotate the transport roller in a reverse sheet-transport rotational direction opposite the sheet-transport rotational direction; a drive force transmission mechanism for transmitting drive force from the drive source to the sheet-feed roller to rotate the sheet-feed roller in the sheet-feed rotational direction, the drive force transmission mechanism interrupting transmission of drive force from the drive source to the sheet-feed roller for a short period when the drive force switches from its reverse rotational direction to its forward rotational direction and for a long period longer than the short period when the drive force switches from its forward rotational direction to its reverse rotational direction.

REFERENCES:
patent: 5222724 (1993-06-01), Hirano et al.
patent: 5697603 (1997-12-01), Kato

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