US 12,448,238 B2
Sheet feeding device
Seiichiro Adachi, Chiba (JP); and Toshiyuki Ichikawa, Ibaraki (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Apr. 16, 2024, as Appl. No. 18/636,686.
Claims priority of application No. 2023-086522 (JP), filed on May 25, 2023; and application No. 2023-131593 (JP), filed on Aug. 10, 2023.
Prior Publication US 2024/0391716 A1, Nov. 28, 2024
Int. Cl. B65H 3/12 (2006.01); B65H 3/48 (2006.01)
CPC B65H 3/128 (2013.01) [B65H 3/48 (2013.01); B65H 2405/15 (2013.01); B65H 2406/31 (2013.01); B65H 2406/323 (2013.01); B65H 2406/351 (2013.01); B65H 2406/3662 (2013.01); B65H 2515/10 (2013.01); B65H 2515/805 (2013.01); B65H 2801/06 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A sheet feeding device comprising:
a sheet supporting portion configured to support sheets;
an air blowing portion configured to blow an air toward an upstream end from a downstream end of the sheets supported by the sheet supporting portion in a sheet feeding direction;
a feeding belt configured to feed and suck the uppermost sheet of the sheets to which the air is blown by the air blowing portion; and
an upstream suction portion disposed upstream of the feeding belt in the sheet feeding direction and configured to suck the uppermost sheet,
wherein the feeding belt includes a first suction area opposing the uppermost sheet and configured to suck the uppermost sheet, and the upstream suction portion includes a second suction area opposing the uppermost sheet and configured to suck the uppermost sheet, and
wherein in a widthwise direction perpendicular to the sheet feeding direction, a width of the second suction area is narrower than a width of the first suction area.