US 12,420,577 B2
Printer
Yosuke Nishimura, Shizuoka (JP)
Assigned to TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed by TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jan. 11, 2023, as Appl. No. 18/153,212.
Prior Publication US 2024/0227424 A1, Jul. 11, 2024
Int. Cl. B41J 35/08 (2006.01); B41J 2/325 (2006.01)
CPC B41J 35/08 (2013.01) [B41J 2/325 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A printer comprising:
a supply-side roll formed by winding an ink ribbon around a delivery roller;
a winding roller configured to wind the ink ribbon delivered from the supply-side roll;
a detector configured to detect a change in tension of the ink ribbon wound by the winding roller;
a printing assembly configured to print on a printing medium via the ink ribbon stretched between the supply-side roll and a collection-side roll formed by winding the ink ribbon with the winding roller;
a conveying roller configured to wind the ink ribbon present between the collection-side roll and the printing assembly, and rotate in a direction in which the ink ribbon is wound by the winding roller; and
an adjuster including a gear assembly, the adjuster configured to adjust, based on the change in the tension of the ink ribbon, a frictional force applied between the conveying roller and the ink ribbon and keep constant tension of the ink ribbon passing through the printing assembly.