US 12,116,239 B2
Medium transport device and image forming apparatus
Hirotake Eguchi, Kanagawa (JP); Nobuhiro Hiroe, Kanagawa (JP); Koji Deguchi, Kanagawa (JP); Kiyoshi Watanabe, Kanagawa (JP); Yasunobu Goto, Kanagawa (JP); Yoshinori Koike, Kanagawa (JP); Natsumi Nakata, Kanagawa (JP); and Yoshiki Matsuzaki, Kanagawa (JP)
Assigned to FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed by FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed on Sep. 8, 2022, as Appl. No. 17/940,300.
Claims priority of application No. 2022-052728 (JP), filed on Mar. 29, 2022.
Prior Publication US 2023/0312293 A1, Oct. 5, 2023
Int. Cl. B65H 9/00 (2006.01); B65H 9/16 (2006.01)
CPC B65H 9/166 (2013.01) [B65H 2801/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A medium transport device comprising:
positional correction rollers configured to transport a medium and correct a position of the medium in a width direction of the medium by moving the medium in the width direction; and
inclination correction rollers configured to transport the medium and correct an inclination of the medium relative to a transport direction of the medium on an upstream side of the positional correction rollers in the transport direction, the inclination correction rollers being disposed at a position where the medium is transported in a flat posture, wherein
the positional correction rollers comprise:
first positional correction rollers configured to nip and transport the medium; and
second positional correction rollers disposed on an upstream side of the first positional correction rollers across an arcuate transport path for the medium and configured to nip and transport the medium, and
the positional correction rollers are configured to correct the position of the medium in the width direction by moving the first positional correction rollers and the second positional correction rollers in the width direction with the medium nipped by the first positional correction rollers and the second positional correction rollers.