| US 7,578,500 B2 | ||
| Sheet feeding apparatus and image forming apparatus | ||
| Takeshi Tsuchida, Toride (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Mar. 20, 2007, as Appl. No. 11/688,330. | ||
| Claims priority of application No. 2006-085120 (JP), filed on Mar. 27, 2006. | ||
| Prior Publication US 2007/0222140 A1, Sep. 27, 2007 | ||
| Int. Cl. B65H 1/00 (2006.01) | ||
| U.S. Cl. 271—171 [271/9.05; 271/9.09; 399/389] | 13 Claims |
| 1. A sheet feeding apparatus comprising:
a tray on which sheets to be fed are stacked;
a sheet feeding portion which separates and feeds the sheets stacked on the tray one by one;
a regulating member which is movable in a width direction which crosses a feeding direction of the sheet fed by the sheet
feeding portion and regulates the sheets stacked on the tray in the width direction;
an extending portion which is provided on the regulating member and extends to downstream of the sheet feeding portion; and
a sensor, which is provided on the extending portion, for discriminating a type of sheet,
wherein in a state in which one sheet of the sheets stacked on the tray is protruded from the tray by the sheet feeding portion,
the sensor discriminates the type of the protruded sheet.
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