US 11,794,492 B2
Portable miniaturized printer device
Tsuyoshi Sanada, Susono Shizuoka (JP)
Assigned to TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed by TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jan. 25, 2022, as Appl. No. 17/583,457.
Claims priority of application No. 2021-048228 (JP), filed on Mar. 23, 2021.
Prior Publication US 2022/0305814 A1, Sep. 29, 2022
Int. Cl. B41J 11/00 (2006.01); B41J 3/36 (2006.01); B41J 15/04 (2006.01); B65H 23/032 (2006.01)
CPC B41J 11/0045 (2013.01) [B41J 3/36 (2013.01); B41J 15/042 (2013.01); B65H 23/0322 (2013.01); B65H 2301/41346 (2013.01); B65H 2301/4421 (2013.01); B65H 2403/411 (2013.01); B65H 2511/12 (2013.01); B65H 2801/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A printer device, comprising:
a recessed accommodation part that accommodates a roll-shaped continuous paper;
a pair of rack gears arranged in a staircase-like shape on a paper conveyance direction side of the roll-shaped continuous paper accommodated in the accommodation part and having tooth rows arranged in a first direction orthogonal to the paper conveyance direction so as to face each other;
a pinion gear arranged between the pair of rack gears and configured to fit into the tooth rows of the pair of rack gears; and
a pair of paper guides respectively provided at a position of an upper rack gear of the pair of rack gears closer to a center side in the first direction from one end portion in the first direction and a position of a lower rack gear of the pair of rack gears closer to the center side in the first direction from another end portion in the first direction or the other end portion, and support side surfaces of the roll-shaped continuous paper accommodated in the accommodation part by an opening or closing movement in the first direction by the pair of rack gears and the pinion gear, wherein
a paper guide of the pair of paper guides, which is provided on the upper rack gear, is mounted to an upper mounting part extending from a back surface of the upper rack gear opposite to the tooth row to the paper conveyance direction side, wherein the upper mounting part is offset away from the pinion gear.