US 12,233,642 B2
Regulation device and printer
Tsuyoshi Sanada, Susono Shizuoka (JP)
Assigned to TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed by TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 8, 2023, as Appl. No. 18/180,156.
Prior Publication US 2024/0300252 A1, Sep. 12, 2024
Int. Cl. B41J 15/04 (2006.01); B41J 11/00 (2006.01); B41J 11/28 (2006.01)
CPC B41J 15/042 (2013.01) [B41J 11/0055 (2013.01); B41J 11/28 (2013.01); B41J 11/00 (2013.01); B41J 15/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A regulation device that regulates movement in a width direction of a rolled sheet of a printer, comprising:
a first rack gear connected to a first guide support supporting the rolled sheet so that movement to one side of the width direction is regulated, the first rack gear movable in the width direction;
a second rack gear connected to a second guide support supporting the rolled sheet so that movement to a second side of the width direction is regulated, the second rack gear movable in the width direction;
a pinion gear engaging with the first and second rack gears; and
a regulation gear that engages with the pinion gear to rotate, the regulation gear includes a locked portion having a plurality of steps are formed along a curved line forming a part of a spiral wound in a rotation direction of the regulation gear if the first and second rack gears are moved outward in the width direction from a rotation shaft center of the regulation gear toward a diameter outside, the regulation gear regulates movement of the first and second rack gears by locking the locked portion.