Sheet feeding apparatus

Details Sheet feeding apparatus Sheet feeding apparatus

1995-07-19

1997-07-22

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271 98, 271105, 271108, B65H 314

Patent

active

056496974

ABSTRACT:
A sheet feeding apparatus to control the injection quantity of air to a document bundle and to allow a stable supply of paper regardless of the document size, document quantity or curling of the document. In the case where air is blown by a separation air injection unit against the front edge of a document loading unit, document-floating sensors are provided protruding upward from a sheet feeding belt. The floating sensors can be for example contact-type sensors such as microswitches to set that injection amount of air to an optimum injection amount of air when the state of the floating sensors, changes compared to their initial state.

REFERENCES:
patent: 4397459 (1983-08-01), Silverberg et al.
patent: 4638986 (1987-01-01), Huggins et al.
patent: 5255905 (1993-10-01), Reid et al.
patent: 5356127 (1994-10-01), Moore et al.
Wenthe, Jr., Stephen J., "Stack Weight Sensing Paper Tray", Xerox Disclosure Journal, vol. 7, No. 4, Jul./Aug. 1982, p. 229.

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