Printer

Patent metadata

Field	Value
Publication number	US-10906327-B2
Application number	US-201816605840-A
Country	US
Kind code	B2
Filing date	Sep 25, 2018
Priority date	Sep 26, 2017
Publication date	Feb 2, 2021
Grant date	Feb 2, 2021

Abstract

A printer includes a printing portion configured to print on a print medium, a ribbon supply shaft configured to hold an ink ribbon to be supplied to the printing portion, a ribbon roll up shaft configured to roll up the used ink ribbon, a printing unit provided swingably, the printing unit having a thermal head that constitutes the printing portion, and a partition member swingably provided in the printing unit, the partition member partitioning the ink ribbon and the print medium, and the ribbon supply shaft is provided in the partition member.

First claim

The invention claimed is:

1. A printer, comprising:
a printing portion configured to print on a print medium;
a ribbon supply shaft configured to hold an ink ribbon to be supplied to the printing portion;
a ribbon roll up shaft configured to roll up the used ink ribbon;
a printing unit provided swingably, the printing unit having a thermal head that constitutes the printing portion; and
a partition member swingably provided in the printing unit, the partition member partitioning the ink ribbon and the print medium, wherein
the ribbon supply shaft is provided on the partition member.

2. The printer according to claim 1 , wherein
the partition member is swingable between a close position to bring the ribbon supply shaft to a ribbon supply position where the ink ribbon is capable of being supplied to the printing portion, and an open position to bring the ribbon supply shaft to a ribbon replacement position where the ribbon supply shaft is attachable to and detachable from the printer.

3. The printer according to claim 2 , wherein
at the ribbon replacement position, the ribbon supply shaft is positioned on the lower side of the ribbon roll up shaft and on the front side of the printer more than the ribbon roll up shaft.

4. The printer according to claim 2 , wherein
at the ribbon replacement position, the ribbon supply shaft is positioned on the lower side of a plane containing a lower surface of the thermal head.

5. The printer according to claim 2 , wherein
in a state where the ribbon supply shaft is placed at the ribbon replacement position and looseness of the ink ribbon is removed, a part of the ink ribbon from the ribbon supply shaft to an end portion of the printing unit on the front side of the printer is abutted with only two points including the thermal head and the end portion of the printing unit on the front side of the printer, or abutted with only the end portion of the printing unit on the front side of the printer.

6. The printer according to claim 2 , wherein
when the partition member is placed at the open position, the ribbon supply shaft is exposed to an outlet port of the print medium.

7. The printer according to claim 1 , wherein
the ribbon supply shaft is configured to be attachable and detachable on the front side of the printer, and
the ribbon roll up shaft is configured to be attachable and detachable on the upper side.

8. A printer, comprising:
a ribbon supply shaft configured to hold an ink ribbon;
a ribbon roll up shaft configured to roll up used ink ribbon;
a thermal head configured to print on a print medium; and
a swingable partition member configured to partition the ink ribbon and the print medium, wherein
the ribbon supply shaft is provided on the swingable partition member.

9. The printer according to claim 8 , wherein
the partition member is swingable between a close position to bring the ribbon supply shaft to a ribbon supply position, and an open position to bring the ribbon supply shaft to a ribbon replacement position where the ribbon supply shaft is attachable to and detachable from the printer.

10. The printer according to claim 9 , wherein
at the ribbon replacement position, the ribbon supply shaft is positioned on the lower side of the ribbon roll up shaft and on the front side of the printer more than the ribbon roll up shaft.

11. The printer according to claim 9 , wherein
at the ribbon replacement position, the ribbon supply shaft is positioned on the lower side of a plane containing a lower surface of the thermal head.

12. The printer according to claim 9 , wherein
in a state where the ribbon supply shaft is placed at the ribbon replacement position and looseness of the ink ribbon is removed, the part of the ink ribbon from the ribbon supply shaft to the thermal head has no bent points.

13. The printer according to claim 9 , wherein
when the partition member is placed at the open position, the ribbon supply shaft is exposed to an outlet port of the print medium.

14. The printer according to claim 8 , wherein
the ribbon supply shaft is configured to be attachable and detachable on the front side of the printer, and
the ribbon roll up shaft is configured to be attachable and detachable on the upper side of the printer.

15. A printer, comprising:
a ribbon supply shaft configured to hold an ink ribbon;
a ribbon roll up shaft configured to roll up used ink ribbon;
a thermal head configured to print on a print medium; and
a swingable partition member configured to partition the ink ribbon and the print medium, wherein
the ribbon supply shaft is connected to the swingable partition member such that the ribbon supply shaft moves together with the swingable partition member when the swingable partition member swings to an open position.

Assignees

• Sato Holdings Kk

Inventors

• Kakui Yasuyuki
• Jinnouchi Takayoshi
• Maeda Hideyuki

Classifications

• B41J2/325 Primary

  by selective transfer of ink from ink carrier, e.g. from ink ribbon or sheet · CPC title

• B41J17/24

  Webs supplied from reels or spools attached to the machine · CPC title

• B41J35/28

  Detachable carriers or holders for ink-ribbon mechanisms · CPC title

• B41J29/02

  Framework · CPC title

• B41J17/18

  pivotable to and from the platen · CPC title