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US 5,212,499 AGranted
Pressing mechanism for thermal printer
AssigneeKanzaki Paper Mfg. Co., Ltd.
InventorsTakayasu Hongo, Yoshinobu Masumura
Life of this patent
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Abstract
A thermal printer of the present invention includes a platen for pressing a thermal head onto a print sheet through a print ribbon at the time of printing, the head is fixed, and a device for resiliently pressing the platen and the head and a device for switching the operation of applying or releasing a pressure between the platen and the head are provided on the platen side.
Claims7
A pressing mechanism for thermal printer, comprising:
- a fixed printing head;
- a platen roll movably disposed adjacent said printing head;
- means, operatively coupled to said platen roll, for rectilinearly moving said platen roll in a direction toward said printing head;
- and
- means for applying a pressing force to press said platen roll against said printing head, said pressing force being applied coaxially with said moving direction.
2 more elements
Dependencies are inferred from the claim text.