Printer including a container for a roll body in which a belt-shaped print medium is wound

1. A printer comprising:

a frame including a first opening formed in a surface thereof,

a container configured to receive a roll body in which a belt-shaped print medium is wound,

a cover configured to open and close an opening of the container, and

a body case provided outside the frame the body case including a first protrusion protruding from a surface of the body case toward the first opening in the frame, and

wherein the frame forms a portion of the container,

wherein the first opening and the first protrusion are provided within an interior of the body case, and

wherein a contour of an end surface of the first protrusion matches a contour along the surface of the frame.

2. The printer according to claim 1 ,

wherein the surface of the frame is formed as a concave surface with respect to an interior of the printer,

wherein the end surface of the first protrusion is formed as a concave surface with respect to the interior of the printer that matches the concave surface of the frame, and

wherein the concave surface of the frame and the concave surface of the first protrusion match a shape of an outer circumferential surface of the roll body.

3. The printer according to claim 2 , wherein the first protrusion engages with a circumferential edge at least partially defining the first opening.

4. The printer according to claim 1 , wherein the first protrusion engages with a circumferential edge at least partially defining the first opening.

5. The printer according to claim 1 ,

wherein the frame includes a battery container configured to contain a battery for supplying electric energy to the printer, the battery container including a second opening at a bottom surface thereof, and

wherein the body case includes a second protrusion protruding through the second opening, the second protrusion configured to receive the battery thereon.

6. The printer according to claim 5 ,

wherein the second protrusion extends in a longitudinal direction of the battery container,

wherein the body case includes a third protrusion extending in parallel with the second protrusion, and

wherein the frame includes a plate-shaped part fitting a gap between the second protrusion and the third protrusion.

7. The printer according to claim 1 , wherein the frame includes a front part that forms a battery container configured to have a function unit including a thermal head mounted thereon, and a rear part that forms the container configured to contain the roll body in which the belt-shaped print medium is wound.

8. The printer according to claim 1 , wherein the body case includes a plurality of the first protrusions.

9. The printer according to claim 8 , wherein the plurality of the first protrusions includes at least one protrusion extending in a first direction along an axis of the roll body and at least one protrusion extending in a second direction that is orthogonal to the first direction.

10. The printer according to claim 1 , wherein the contour of the end surface of the first protrusion is curved.

11. The printer according to claim 1 , wherein the first protrusion protrudes from a surface of the body case toward the first opening in the frame toward the opening of the container.

12. The printer according to claim 1 , wherein the end surface forms a boundary of the container.

13. The printer according to claim 1 , wherein the first opening defines a boundary of the container.

14. The printer according to claim 1 , wherein the first protrusion comprises a rib.

15. The printer according to claim 14 , wherein the body case includes a plurality of ribs.

16. The printer according to claim 15 , wherein the plurality of the ribs includes at least one rib extending in a first direction along an axis of the roll body and at least one rib extending in a second direction that is orthogonal to the first direction.

17. The printer according to claim 1 , wherein an outer perimeter of the first protrusion in a plan view is a closed shape.

18. A printer comprising:

a container configured to contain a roll body in which a belt-shaped print medium is wound;

a frame including a first surface configured to support the roll body from below, the first surface being one of surfaces defining the container and being provided with a first opening; and

a body case provided outside the frame, the body case including a first protrusion that overlaps with the first opening in a plan view, the first protrusion protruding from a surface of the body case to a position at which an edge of the first protrusion faces a circumferential edge at least partially defining the first opening in the frame,

wherein a surface of the first protrusion facing the container extends along the first surface,

wherein the first surface is formed as a concave surface with respect to an interior of the printer, and

wherein a top surface of the first protrusion is formed as a concave surface with respect to the interior of the printer that conforms to the first surface.

19. The printer according to claim 18 , wherein the body case includes a plurality of the first protrusions.

20. The printer according to claim 19 , wherein the plurality of the first protrusions includes at least one protrusion extending in a first direction along an axis of the roll body and at least one protrusion extending in a second direction that is orthogonal to the first direction.

21. A printer comprising:

a frame including a first opening formed in a surface thereof,

a container configured to receive a roll body in which a belt-shaped print medium is wound,

a cover configured to open and close an opening of the container, and

a body case provided outside the frame, the body case including a rib protruding from a surface of the body case through the first opening in the frame, and

wherein the frame forms at least a portion of the container,

wherein the first opening and the rib are provided within an interior of the body case, and

wherein a contour of an end surface of the rib matches a contour along the surface of the frame.

22. The printer according to claim 21 , wherein the body case includes a plurality of the ribs.

23. The printer according to claim 22 , wherein the plurality of the ribs includes at least one rib extending in a first direction along an axis of the roll body and at least one rib extending in a second direction that is orthogonal to the first direction.

24. The printer according to claim 21 , wherein an outer perimeter of the rib in a plan view is a closed shape.

25. A printer comprising:

a frame including a first opening formed in a surface thereof,

a container configured to receive a roll body in which a belt-shaped print medium is wound,

a cover configured to open and close an opening of the container, and

a body case provided outside the frame, the body case including a first protrusion protruding from a surface of the body case toward the first opening in the frame, and

wherein the frame forms a portion of the container,

wherein the first opening and the first protrusion are provided within an interior of the body case, and

wherein a contour of an end surface of the first protrusion forms a portion of the container.

26. The printer according to claim 25 , wherein the first protrusion has a rib shape.

27. The printer according to claim 26 , wherein a contour of the end surface of the first protrusion matches a contour along the surface of the frame.

28. The printer according to claim 26 , wherein the first protrusion engages with a circumferential edge at least partially defining the first opening.

29. The printer according to claim 25 , wherein the body case includes a plurality of protrusions, each having a rib shape.

30. The printer according to claim 29 , wherein the plurality of the protrusions includes the first protrusion having a rib shape and a second protrusion having a rib shape, the first protrusion extending in a first direction along an axis of the roll body, the second protrusion extending in a second direction that is orthogonal to the first direction.