US 12,240,730 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 Jul. 19, 2023, as Appl. No. 18/354,732.
Application 18/354,732 is a continuation of application No. 17/173,328, filed on Feb. 11, 2021, granted, now 11,745,977.
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 2024/0043241 A1, Feb. 8, 2024
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. An image forming device comprising:
a sheet cassette configured to support a sheet;
a first conveyance path configured to allow the 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;
an image forming unit configured to form an image on the sheet conveyed from the sheet cassette;
a discharge tray configured to support the sheet on which the image is formed by the image forming unit;
a first drive motor disposed at a position below the branch position and closer to the sheet cassette than the discharge tray in an upper-lower direction;
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 transfer belt disposed below the image forming unit,
wherein the first drive motor is disposed at a position entirely below the transfer belt.