JPS61140853U

JPS61140853U -

Info

Publication number: JPS61140853U
Application number: JP2411485U
Authority: JP
Priority date: 1985-02-20
Filing date: 1985-02-20
Publication date: 1986-09-01

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の一実施例を示すもので、第１図
は画像形成装置の外観斜視図、第２図は同じく一
部切欠して示す概略的斜視図、第３図は概略的縦
断側面図、第４図は転写動作状態を説明するため
の斜視図、第５図は熱転写リボンのインク塗布状
態を示す平面図、第６図イ，ロは多色転写時にお
ける用紙の動きを説明する説明図、第７図は要部
の構成を示すブロツク図、第８図はプリンタ部を
示す断面図、第９図はその背面側を示す斜視図、
第１０図はサーマルヘツドの押圧機構を示す斜視
図、第１１図は動力伝達手段の一部を分解して示
す斜視図、第１２図はアームとカムの配置関係を
示す側面図、第１３図はカムの回転によるアーム
の動作を示す説明図、第１４図はサーマルヘツド
がプラテンから離間した状態を示す側面図、第１
５図はサーマルヘツドがプラテンに接触した状態
を示す側面図である。１０……プラテン、１１……記録ヘツド、Ａ…
…動力伝達手段、３８……アーム、４０……カム
、３９……駆動源（モータ）。 The drawings show an embodiment of the present invention; FIG. 1 is an external perspective view of an image forming apparatus, FIG. 2 is a partially cutaway schematic perspective view, and FIG. 3 is a schematic longitudinal side view. , Fig. 4 is a perspective view for explaining the transfer operation state, Fig. 5 is a plan view showing the ink application state of the thermal transfer ribbon, and Fig. 6 A and B are explanations for explaining the movement of paper during multicolor transfer. 7 is a block diagram showing the configuration of the main parts, FIG. 8 is a sectional view showing the printer section, and FIG. 9 is a perspective view showing the back side of the printer section.
Fig. 10 is a perspective view showing the pressing mechanism of the thermal head, Fig. 11 is an exploded perspective view showing a part of the power transmission means, Fig. 12 is a side view showing the arrangement relationship between the arm and the cam, and Fig. 13. 14 is an explanatory diagram showing the movement of the arm due to the rotation of the cam, FIG. 14 is a side view showing the state in which the thermal head is separated from the platen, and FIG.
FIG. 5 is a side view showing the thermal head in contact with the platen. 10...platen, 11...recording head, A...
...Power transmission means, 38... Arm, 40... Cam, 39... Drive source (motor).

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

プラテンと、このプラテンに対向し移動自在な
記録ヘツドと、この記録ヘツドに動力伝達手段を
介して接続され記録ヘツドを前記プラテンに接離
させる駆動源とを具備し、前記動力伝達手段は前
記駆動源によつて回転されるカムと、このカムの
回転によつて一端側を支点として回動するアーム
とを有し、前記カムを前記回動アームの反支点側
から支点側に向かつて回転させる構成としたこと
を特徴とする画像形成装置。 The recording head includes a platen, a movable recording head facing the platen, and a drive source connected to the recording head via a power transmission means to move the recording head toward and away from the platen, and the power transmission means is connected to the drive source. It has a cam that is rotated by a source, and an arm that rotates about one end as a fulcrum by rotation of the cam, and rotates the cam from the side opposite to the fulcrum of the rotating arm toward the fulcrum. An image forming apparatus characterized in that: