US 12,472,757 B2
Printing cassette having structure for restraining power transmission loss, and printing device using the same
Shinji Ukai, Kiyosu (JP); Kentaro Murayama, Kasugai (JP); and Kosuke Higashi, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Sep. 22, 2023, as Appl. No. 18/472,750.
Application 18/472,750 is a continuation of application No. PCT/JP2022/011553, filed on Mar. 15, 2022.
Claims priority of application No. 2021-050350 (JP), filed on Mar. 24, 2021.
Prior Publication US 2024/0010013 A1, Jan. 11, 2024
Int. Cl. B41J 15/04 (2006.01); B41J 3/407 (2006.01)
CPC B41J 15/044 (2013.01) [B41J 3/4075 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A printing cassette attachable to a printer body including a cassette accommodating portion provided with a first engaging portion and a second engaging portion, the printing cassette comprising:
a power transmission mechanism including an input rotational part and an output rotational part; and
a guide case accommodating at least a part of the power transmission mechanism therein, the guide case having:
a guide portion configured to guide a printing tape;
a first side surface and a second side surface arranged to interpose the at least a part of the power transmission mechanism therebetween;
a first engagement surface engageable with the first engaging portion; and
a second engagement surface engageable with the second engaging portion,
wherein the first engagement surface extends from the first side surface and crosses the first side surface,
wherein the second engagement surface extends from the second side surface and crosses the second side surface, and
wherein a first imaginary straight line is defined in the printing cassette, the first imaginary straight line passing through the first engagement surface and the second engagement surface and being interposed between a rotation axis of the input rotational part and a rotation axis of the output rotational part.