JPS60134636U

JPS60134636U - platen structure

Info

Publication number: JPS60134636U
Application number: JP2249184U
Authority: JP
Inventors: 菊地　曠; 嘉範越田
Original assignee: 沖電気工業株式会社
Priority date: 1984-02-21
Filing date: 1984-02-21
Publication date: 1985-09-07

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図は部分的に断面とした従来のプラテンの側面図、
第２図は本考案の一実施例を示すプラテンの分解斜視図
、第３図は印字用紙の平面図である。９・・・プラテン本体、１０．１１・・・プラテン軸、
１２・・・リブ、１３・・・スプロケットホイール、１
４・・・ギア、１５・・・位置決め部材、１６・・・ス
プロケットホイール、１７・・・位置決め部材。Figure 1 is a partially sectional side view of a conventional platen;
FIG. 2 is an exploded perspective view of a platen showing an embodiment of the present invention, and FIG. 3 is a plan view of printing paper. 9...Platen body, 10.11...Platen shaft,
12... Rib, 13... Sprocket wheel, 1
4... Gear, 15... Positioning member, 16... Sprocket wheel, 17... Positioning member.

Claims

[Claims for Utility Model Registration] 1. In a platen structure that has sprocket wheels with sprocket pins at both left and right ends and rotates by obtaining rotational driving force from a gear provided at one end, the inside of a cylindrical platen body is The penetrating platen shaft is supported integrally with the platen body by a predetermined number of ribs, the gear is integrally formed on the outer surface of one of the two sprocket wheels, and the ribs are formed on the inner surfaces of both sprocket wheels. A platen structure characterized in that a positioning member is provided that engages with one of the sprocket wheels, and the sprocket wheel is fitted onto a platen shaft formed integrally with the platen main body, and the positioning member is fitted to the ribs to form an integral unit. . 2. A platen structure according to claim 1 of the utility model registration, characterized in that the number of ribs is a common divisor of the number divided by the line feed pitch of the outer circumference of the platen.