US 11,753,266 B2
Sheet stacking device and image forming apparatus incorporating the sheet stacking device
Ruki Midorikawa, Kanagawa (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Filed by Ruki Midorikawa, Kanagawa (JP)
Filed on Dec. 23, 2020, as Appl. No. 17/131,982.
Application 17/131,982 is a continuation of application No. 16/253,432, filed on Jan. 22, 2019, granted, now 10,906,765.
Claims priority of application No. 2018-024385 (JP), filed on Feb. 14, 2018.
Prior Publication US 2021/0107758 A1, Apr. 15, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B65H 29/24 (2006.01); B65H 43/06 (2006.01); G03G 15/00 (2006.01); G03G 21/20 (2006.01)
CPC B65H 29/246 (2013.01) [B65H 43/06 (2013.01); G03G 15/6552 (2013.01); G03G 21/206 (2013.01); B65H 2301/5144 (2013.01); B65H 2511/15 (2013.01); B65H 2553/61 (2013.01); B65H 2601/273 (2013.01); G03G 2215/00911 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sheet stacking device comprising:
a stacker on which at least one sheet is stacked;
a detector configured to detect a stacking amount of the at least one sheet on the stacker;
a blower configured to blow air to the at least one sheet stacked on the stacker, and to rotate with respect to the stacker; and
a moving device including at least one gear, the moving device configured to,
move the blower while maintaining a constant blowing angle of the blower with respect to the at least one sheet stacked on the stacker, and
move the blower to change a distance between the blower and the stacker to achieve a constant distance between the blower and a top surface of the at least one sheet stacked on the stacker.