Sheet feeding apparatus for image recording system

Details Sheet feeding apparatus for image recording system Sheet feeding apparatus for image recording system

1992-07-07

1993-09-14

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separator and conveyor

271118, 271124, 271126, B65H 500

Patent

active

052441911

ABSTRACT:
A sheet feeding apparatus for successively supplying, by one, sheets piled up within a sheet storing device up to an image formation apparatus along a predetermined sheet supplying direction. The sheet feeding apparatus is equipped with a sheet feeding roller driven to rotate about a roller rotating shaft to pick up the sheets from the sheet storing device and a separation device disposed at a downstream side of the sheet storing device and in opposed relation to the sheet feeding roller. The separation device is pressed by a spring toward the sheet feeding roller to be brought into contact therewith so that the sheets picked up from the sheet storing device are pressed against the sheet feeding roller so as to be frictionally separated from each other and fed by one in accordance with the rotation of the sheet feeding roller toward a downstream side. The sheet storing device is also pressed by a spring toward the sheet feeding roller so that the sheets can be brought into contact with the sheet feeding roller to be picked up therefrom. Also included in the apparatus is a releasing device operable in accordance with the rotation of the sheet feeding roller for releasing the pressed state of the sheets against the sheet feeding roller and for releasing the pressed state of the separation device against the sheet feeding roller when sheet feeding roller rotates by a predetermined rotational angle. This arrangement allows reduction of parts to reduce the cost and size of the apparatus.

REFERENCES:
patent: 4717139 (1988-01-01), Sootome et al.

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