Patent ID: 11932011
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 6:
7. The printing cassette according to claim 6,
wherein the input gear includes:
a wall portion disposed radially inside a pitch circle of the input gear, extending in the first direction, and being inserted into the hollow portion of the first roll; and
a gear-side spline tooth disposed at the wall portion and protruding toward a rotational axis of the input gear,

wherein the gear-side spline tooth is engaged with the drive shaft in a state where the printing cassette is attached to the printing apparatus main body, and
wherein in a projection drawing in which the spool and the input gear are projected onto a surface virtually orthogonal to the rotational axis, a diameter of an inscribed circle of the spool-side spline tooth is more than a diameter of an inscribed circle of the gear-side spline tooth.