JPS5946260U

JPS5946260U - Thermal printer drive mechanism

Info

Publication number: JPS5946260U
Application number: JP14240482U
Authority: JP
Inventors: 郁夫日比野
Original assignee: アルプス電気株式会社
Priority date: 1982-09-20
Filing date: 1982-09-20
Publication date: 1984-03-27

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図、第２図は本考案によるサーマルプリンタの駆動
機構の概略を示す平面図であり、第１図はキャリッジの
待機状態、第２図はキャリッジの移動状態を各々示して
いる。第３図は第２図の■−ｍ一部断面図４図は駆動機
構の斜視図、第５図　　。は紙送りローラの駆動機構を示す斜視図、第６図は一方
向クラッチの一部断面図を含む分解正面図である。１・・・ベース、１ｂ・・・ガイド面、２・・・プラテ
ン、４・・・感熱紙、５・・・紙送りローラ、７・・・
ガイド軸、９・・・キャリッジ、１０・・・サーマルヘ
ッド、１１・・・切欠部、１１ａ・・・小幅部、１１ｂ
・・・大幅部、１２・・・駆動子、１３・・・ワイヤ、
１４．１５・・・プーリ、１６−・・駆動プーリ、１４
ａ、１８ｂ、２０−・・一方向クラッチ、１Ｂ、２１，
２２．２５・・・ギヤ群、２３−・・紙送りローラの駆
動軸。1 and 2 are plan views schematically showing the drive mechanism of a thermal printer according to the present invention, with FIG. 1 showing the carriage in a standby state and FIG. 2 showing the carriage in a moving state. FIG. 3 is a partial sectional view taken along line 1--m in FIG. 2, FIG. 4 is a perspective view of the drive mechanism, and FIG. 6 is a perspective view showing the drive mechanism of the paper feed roller, and FIG. 6 is an exploded front view including a partial sectional view of the one-way clutch. DESCRIPTION OF SYMBOLS 1... Base, 1b... Guide surface, 2... Platen, 4... Thermal paper, 5... Paper feed roller, 7...
Guide shaft, 9... Carriage, 10... Thermal head, 11... Notch, 11a... Narrow width part, 11b
...large portion, 12...driver, 13...wire,
14.15...Pulley, 16-...Drive pulley, 14
a, 18b, 20--one-way clutch, 1B, 21,
22.25...Gear group, 23-...Paper feed roller drive shaft.

Claims

[Scope of utility model registration request]

Between the platen and the guide surface arranged at regular intervals,
A movable carriage is provided, and the part of the carriage facing the platen is equipped with a thermal head, and the part facing the guide surface of the carriage has one side with a small width and the other side with a wide width along the movement direction. A notch is formed in the notch, and a wire is pulled in the notch, and when the wire is pulled in one direction, the wire intervenes between the narrow width part and the guide surface, and presses the thermal head against the platen. A drive element is provided to provide a moving force in the writing direction, and a roller is provided in front of the platen for feeding out the thermal paper.
A one-way clutch is interposed between a group of gears connecting the pulley to which the wire is hung, and which transmits power when the driver is pulled in a direction opposite to the writing direction. Drive mechanism.