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Printer

A technology for printers and locking shafts, applied in typewriters, printing devices, printing, etc., can solve problems such as poor operability, achieve the effects of easy loading and unloading, easy miniaturization, and improved operability

Active Publication Date: 2011-09-21
SEIKO INSTR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In such a printer, when the recording paper is set and the jam is dealt with, or when the recording head and the platen roller are repaired or replaced, etc., the recording head and the platen roller are still in contact inside the box. state, thus poor operability

Method used

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Embodiment Construction

[0065] Below, refer to Figure 1 to Figure 12 , to describe the embodiment of the present invention. In addition, in this embodiment, as an example of a printer, a thermal printer will be described as an example.

[0066] Such as figure 1 with figure 2 As shown, the printer 1 according to the present embodiment includes a platen unit 2 and a main body unit 3 which are detachably combined, and a case 4 which accommodates a roll paper R around which recording paper P is wound.

[0067] also, figure 1 It is an overall side view of the printer 1 in a state where the platen unit 2 and the main body unit 3 are combined. figure 2 is displayed from figure 1 The shown state is an overall side view of a state where the paper platen unit 2 and the body unit 3 are separated.

[0068] First, the housing 4 will be described.

[0069] The case 4 of the present embodiment is constituted by a base member 10 and a lid member 11 that is openably and closably (rotatably) coupled to the b...

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Abstract

Provided is a printer in which attachment and detachment manipulation of a platen roller can easily be performed, in which the platen roller can be retained with high reliability at a time of attachment, and in which downsizing of the entire printer is achieved due to use of the platen roller smaller in diameter. A printer (1) includes: a rocking plate (22) including a bearing portion (22a) for axially supporting a platen roller (21); a rock shaft (23) inserted through a slide opening portion (26) so as to be combined with the rocking plate; and a stationary frame (40) to which a recording head (42) is fixed, in which: the rock shaft is slidingly movable in an imaginary in-plane direction orthogonal to a platen axis; the stationary frame includes a first recess (45) into which the bearing portion is disengageably fitted, and a second recess (46) into which, after the bearing portion is fitted, the rock shaft is disengageably fitted; and the bearing portion is undisengageable from inside the first recess while the rock shaft is fitted, and is disengageable from inside the first recess after the rock shaft is disengaged.

Description

technical field [0001] The present invention relates to a printer in which a platen roller and a recording head are detachably combined. Background technique [0002] As a conventionally known printer, there is known a printer having a recording head and a platen roller in contact with the inside of a housing, and the recording head performs recording on the recording paper sent out by the platen roller. In such a printer, when the recording paper is set and the jam is dealt with, or when the recording head and the platen roller are repaired or replaced, etc., the recording head and the platen roller are still in contact inside the box. state, and thus poor operability. [0003] In this regard, it is desirable to have a structure in which the recording head and the platen roller can be separated from each other and exposed to the outside of the case. In particular, since the recording head has a plurality of recording elements (heat generating elements, etc.), it is prefer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/32
CPCB41J3/4075B41J11/04
Inventor 内藤昭夫
Owner SEIKO INSTR INC
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