US 12,240,726 B2
Sheet processing apparatus, image forming apparatus, and image forming system
Tomohiro Furuhashi, Kanagawa (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Appl. No. 18/254,075
Filed by Tomohiro Furuhashi, Kanagawa (JP)
PCT Filed Jan. 14, 2022, PCT No. PCT/IB2022/050283
§ 371(c)(1), (2) Date May 23, 2023,
PCT Pub. No. WO2022/175756, PCT Pub. Date Aug. 25, 2022.
Claims priority of application No. 2021-022618 (JP), filed on Feb. 16, 2021; and application No. 2021-197026 (JP), filed on Dec. 3, 2021.
Prior Publication US 2024/0002186 A1, Jan. 4, 2024
Int. Cl. B65H 45/14 (2006.01)
CPC B65H 45/142 (2013.01) [B65H 2403/21 (2013.01); B65H 2403/72 (2013.01); B65H 2404/14 (2013.01); B65H 2513/412 (2013.01); B65H 2801/27 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A sheet processing apparatus comprising:
a plurality of roller pairs configured to convey a sheet from upstream to downstream in a sheet conveyance direction, the plurality of roller pairs including,
a first roller pair;
a second roller pair downstream from the first roller pair in the sheet conveyance direction; and
a third roller pair between the first roller pair and the second roller pair, the third roller pair configured to form a crease on the sheet;
a single driving force generator configured to supply a driving force to the first roller pair, the second roller pair, and the third roller pair; and
a drive transmission mechanism configured to transmit the driving force to the first roller pair and the second roller pair in a manner such that a rotation direction of the first roller pair is not switched even in a case in which a direction of the driving force is switched such that a rotation direction of the second roller pair is switched when the first roller pair and the second roller pair are driven by the driving force from the driving force generator.