Patent ID: 11945217
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A tape cassette comprising:
a cassette case having a first end portion and a second end portion separated from the first end portion in a first direction, the cassette case having a third end portion and a fourth end portion separated from the third end portion in a second direction, and the cassette case having a guide hole, the guide hole positioned closer to the second end portion of the cassette case in the first direction than to the first end portion, the guide hole positioned closer to the fourth end portion of the cassette case than to the third end portion of the cassette case in the second direction;
a first spool positioned in the cassette case, the first spool positioned closer to the fourth end portion of the cassette case than to the third end portion in the second direction, the first spool positioned closer to the second end portion than to the first end portion in the first direction;
a ribbon spool positioned in the cassette case, the ribbon spool positioned closer to the fourth end portion than to the third end portion in the second direction; and
a tape drive roller rotatable about an axis extending in a third direction, the tape drive roller configured to allow tape to be discharged to the outside of the tape cassette, the tape drive roller positioned closer to the first end portion of the cassette case in the first direction than to the second end portion, the tape drive roller positioned closer to the third end portion of the cassette case than to the fourth end portion of the cassette case in the second direction, wherein
the cassette case includes an arm positioned at the first end portion, the arm extending in the second direction, the arm having a first outer surface facing a portion of the cassette case in the first direction and a second outer surface facing away from the cassette case in the first direction, and the arm has an exit configured to allow ink ribbon to be discharged toward the tape drive roller from inside of the cassette case, wherein
the arm includes a first indicator and a second indicator arranged at the second outer surface in a predetermined pattern, a position of the first indicator is different from a position of the second indicator in the second direction and the third direction,
wherein the guide hole is farther from the tape drive roller than the first spool,
wherein a portion of the first spool intersects a line connecting the tape drive roller and the guide hole, and
wherein the arm and the ribbon spool are positioned at one side of the line.