JPS6255453U

JPS6255453U -

Info

Publication number: JPS6255453U
Application number: JP14747585U
Authority: JP
Priority date: 1985-09-26
Filing date: 1985-09-26
Publication date: 1987-04-06

Description

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

第１図はプリンタの概略を示す斜視図、第２図
はガイド軸の移動機構の分解斜視図、第３図は弾
性部材の取付状態を示す平面図、第４図は紙厚セ
ンサを一部破断して示す部分断面図、第５図及び
第６図は作用を示す側面図である。図中１は印字装置としてのプリンタ、３はフレ
ーム、５はプラテン、７はガイド軸、１５は印字
ヘツド、３５，３６は偏心カム体、３７，３８は
固定部材としての固定ピン、４１は駆動手段を構
成するステツプモータ、４３，４４は弾性部材を
構成する棒ばね、４５，４６は支持部材である。 Figure 1 is a perspective view showing the outline of the printer, Figure 2 is an exploded perspective view of the guide shaft moving mechanism, Figure 3 is a plan view showing how the elastic member is attached, and Figure 4 partially shows the paper thickness sensor. A partially cut away sectional view and FIGS. 5 and 6 are side views showing the operation. In the figure, 1 is a printer as a printing device, 3 is a frame, 5 is a platen, 7 is a guide shaft, 15 is a print head, 35 and 36 are eccentric cam bodies, 37 and 38 are fixed pins as fixing members, and 41 is a drive A step motor constitutes the means, bar springs 43 and 44 constitute elastic members, and support members 45 and 46.

Claims

【実用新案登録請求の範囲】 (1) フレームに回転可能に軸支されたプラテン
の印字行に沿つて印字ヘツドを移動しながら印字
する印字装置において、前記印字ヘツドを軸線方向へ摺動可能に支持す
るとともに前記フレームに対し軸線と直交する前
後方向へ移動可能に支持されたガイド軸と、前記ガイド軸に取付けられ、周面がフレームに
固着された固定部材に摺接する偏心カム体と、前記偏心カム体を回転する駆動手段と、一端がフレームに固着され、他端が前記ガイド
軸をその軸線方向及び軸線とほぼ直交して前記偏
心カム体を固定部材と接する方向へ付勢する弾性
部材と、を備えたことを特徴とする印字装置。 (2) 前記弾性部材は棒状のバネであり、フレー
ムに固着された一端と、ガイド軸に当接する他端
との間において、前記軸線方向及び軸線とほぼ直
交する方向にガイド軸を付勢するように支持部材
に当接して湾曲している実用新案登録請求の範囲
第１項に記載の印字装置。[Claims for Utility Model Registration] (1) In a printing device that prints while moving a print head along a print line on a platen that is rotatably supported by a frame, the print head is slidable in the axial direction. a guide shaft that is supported and movable relative to the frame in a front-rear direction perpendicular to the axis; an eccentric cam body that is attached to the guide shaft and that slides on a fixed member whose peripheral surface is fixed to the frame; a driving means for rotating the eccentric cam body; and an elastic member having one end fixed to the frame and the other end biasing the guide shaft in the axial direction thereof and in a direction substantially perpendicular to the axis so as to bring the eccentric cam body into contact with the fixed member. A printing device characterized by comprising: and. (2) The elastic member is a rod-shaped spring, and biases the guide shaft in the axial direction and a direction substantially perpendicular to the axis between one end fixed to the frame and the other end abutting the guide shaft. The printing device according to claim 1, which is curved as it abuts against the support member.