JPS59139650U

JPS59139650U - power transmission device

Info

Publication number: JPS59139650U
Application number: JP3300083U
Authority: JP
Inventors: 郁夫日比野
Original assignee: アルプス電気株式会社
Priority date: 1983-03-08
Filing date: 1983-03-08
Publication date: 1984-09-18
Also published as: JPH0210362Y2

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]

図面は本考案の実施例を示すものであり、第１図はサー
マルプリンタの斜視図、第２図はその平面図、第３図は
第２図の■−■断面図、第４図は紙送り用のクラッチ機
構を示すものであり第６Ａ図の■矢視図、第５図は動力
伝達装置の正面図゛、第６Ａ図はクラッチ機構の平面図
、第６Ｂ図は動力伝達装置を示すものであり第５図の■
矢視図、第７Ａ図、第７Ｂ図、第７Ｃ図、第７Ｄ図、第
７Ｅ−、第７Ｆ図は動力伝達装置の動作を示す第５図相
当図、第８Ａ図、第ｆｉＢ図、第８Ｃ図、第８Ｄ図、第
８Ｅ図、第８Ｆ図はクラッチ機構の動作を示す第４図相
当図である。３５・・・駆動側回転体、３５ｂ・・・歯車、３５Ｃ・
・・平滑部、４３・・・従動側回転体、４３ａ・・・部
分歯、４３ｄ・・・突起。The drawings show an embodiment of the present invention: Fig. 1 is a perspective view of a thermal printer, Fig. 2 is a plan view thereof, Fig. 3 is a sectional view taken along the line ■-■ of Fig. 2, and Fig. 4 is a paper 6A is a front view of the power transmission device, FIG. 6A is a plan view of the clutch mechanism, and FIG. 6B is a view of the power transmission device. ■ in Figure 5
The arrow view, Fig. 7A, Fig. 7B, Fig. 7C, Fig. 7D, Fig. 7E-, and Fig. 7F are views corresponding to Fig. 5, Fig. 8A, Fig. fiB, Fig. 8C, 8D, 8E, and 8F are views corresponding to FIG. 4 showing the operation of the clutch mechanism. 35... Drive side rotating body, 35b... Gear, 35C.
... Smooth part, 43 ... Driven side rotating body, 43a ... Partial tooth, 43d ... Protrusion.

Claims

[Claims for Utility Model Registration] 1. In a power transmission device in which a driving-side rotating body 35 and a driven-side rotating body 43 face each other, the driving-side rotating body 35 has a smooth portion 35C formed on its circumference. , timing tooth 35
d, a gear 35b, and a driven rotating body 43.
includes a protrusion 43d whose tip surface slides into contact with the smooth portion 35C.
And, this protrusion 43d is formed on the periphery where it does not exist,
A power transmission device characterized in that the gear 35b (!: partial teeth 43a that can mesh with each other by 1 lil) are provided. 2. A plurality of projections 43d are provided on the circumference of the driven rotating body 43. A power transmission device according to claim 1 of the utility model registration claim.