US 11,745,977 B2
Sheet conveyance device and image forming device
Saya Minoshima, Gifu (JP); and Yasuhiro Suzuki, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Feb. 11, 2021, as Appl. No. 17/173,328.
Claims priority of application No. 2020-023371 (JP), filed on Feb. 14, 2020; and application No. 2020-023372 (JP), filed on Feb. 14, 2020.
Prior Publication US 2021/0253383 A1, Aug. 19, 2021
Int. Cl. B65H 85/00 (2006.01); B65H 3/06 (2006.01); B65H 5/06 (2006.01)
CPC B65H 85/00 (2013.01) [B65H 3/0669 (2013.01); B65H 5/06 (2013.01); B65H 2301/33312 (2013.01); B65H 2403/48 (2013.01); B65H 2403/81 (2013.01); B65H 2403/942 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sheet conveyance device comprising:
a first conveyance path configured to allow a sheet to be conveyed along the first conveyance path;
a second conveyance path that extends upward from a branch position in the first conveyance path, the second conveyance path being configured to allow the sheet that has passed through the first conveyance path to be conveyed along the second conveyance path;
a third conveyance path that extends downward from the branch position, the third conveyance path being configured to allow the sheet that has passed through the second conveyance path to be conveyed along the third conveyance path;
a first conveyance roller disposed in the second conveyance path and configured to rotate normally and reversely to convey the sheet;
a first drive motor disposed below the branch position;
a first belt disposed in a drive transmission path from the first drive motor to the first conveyance roller and configured to transmit a driving force from the first drive motor to the first conveyance roller; and
a main body,
wherein the first drive motor is disposed closer to a lower end portion of the main body than an upper end portion of the main body in an upper-lower direction,
wherein the first conveyance roller is disposed closer to the upper end portion of the main body than the lower end portion of the main body in the upper-lower direction, and
wherein the sheet conveyance device includes:
a second conveyance roller disposed in the third conveyance path and configured to convey the sheet; and
a second belt disposed in a drive transmission path from the first drive motor to the second conveyance roller and configured to transmit the driving force from the first drive motor to the second conveyance roller.