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Printer

A technology for printers and elastic components, which is applied to printing devices, printing, transfer materials, etc., can solve the problem of reducing the pressing force in the contact area, achieve the effect of reducing the pressing force and realizing the cost of the device

Active Publication Date: 2012-09-26
SEIKO INSTR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, in the structure of the above-mentioned Patent Document 1, there is the following problem: when the second roll paper is used, the pressing force applied to the contact area between the thermal head and the platen cannot be sufficiently reduced.

Method used

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Embodiment Construction

[0045] (thermal printer)

[0046] Next, embodiments of the present invention will be described based on the drawings. figure 1 is a perspective view showing a state where the paper cover in the thermal printer is in the closed position, figure 2It is a perspective view showing a state where the paper cover is in an open position. In addition, in the following description, in order to make the invention easier to understand, the illustrations are simplified by omitting part of the components, simplifying the shape, changing the scale, etc. as appropriate. In addition, in the drawings, the reference sign FR indicates the front, the reference sign LH indicates the left side, and the reference sign UP indicates the upward direction.

[0047] Such as figure 1 , figure 2 As shown, the thermal printer (printer) 1 is configured to be able to print on various types of recording paper P1 having different widths. Recording paper P1 is thermal paper that changes color when heated, ...

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Abstract

The invention provides a printer which includes: a thermal head including a large number of heating elements and being arranged along a width direction of a thermal paper to be drawn from a roll sheet; a platen roller arranged opposite to the thermal head, for sending out the thermal paper by rotating in a state of sandwiching the thermal paper between the thermal head and the platen roller; and an elastic member provided on an opposite side of the platen roller with respect to the thermal head, for pressing the thermal head toward the platen roller, in which the elastic member is provided with a pressing force releasing mechanism for separating the elastic member from the thermal head according to a width of the roll sheet to be fed, and for releasing pressing of the thermal head by the elastic member.

Description

technical field [0001] The present invention relates to a printer for printing various information on recording paper drawn from roll paper. Background technique [0002] A large number of various thermal printers are currently provided that perform printing by pressing a thermal head against special recording paper (thermal paper) that develops color by heating. In particular, since smooth character printing and colorful image printing can be performed without using toner, ink, etc., it is suitable for printing of various labels, receipts, tickets, and the like. [0003] The above-mentioned thermal printer is a device that clamps the recording paper by the platen and the thermal head, feeds the recording paper by the rotation of the platen, and heats the printing of the recording paper by the heating element of the thermal head. surface (heat-sensitive surface), and thus, the printing surface is colored for printing. As recording paper used in this thermal printer, roll p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/32
CPCB41J11/0025B41J25/312
Inventor 神保敬志
Owner SEIKO INSTR INC
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