JPS60108850U

JPS60108850U - timing belt device

Info

Publication number: JPS60108850U
Application number: JP20446483U
Authority: JP
Inventors: 湊　正弘
Original assignee: 株式会社リコー
Priority date: 1983-12-27
Filing date: 1983-12-27
Publication date: 1985-07-24

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 drawings]

第１図は従来のタイミングベルト装置の構成図、第２図
は同上装置におけるプーリおよびバックテンショナ一部
分の拡大図、第３図は本考案実施例装置の構成図、第４
図は小径ローラ群がタイミングベルトの背面に当接して
いる状態を示す図、第５図は第４図の装置部の二部断面
平面区である。１・・・タイミングベルト、３・・・プーリ、１４・・
・小径ローラ群。　　゛Fig. 1 is a block diagram of a conventional timing belt device, Fig. 2 is an enlarged view of a part of the pulley and back tensioner in the same device, Fig. 3 is a block diagram of an embodiment of the device of the present invention, and Fig. 4 is a block diagram of a conventional timing belt device.
The figure shows a state in which the small-diameter roller group is in contact with the back surface of the timing belt, and FIG. 5 is a two-part cross-sectional plan view of the device section of FIG. 4. 1...Timing belt, 3...Pulley, 14...
・Small diameter roller group.゛

Claims

[Scope of utility model registration request]

In a timing belt device that includes a timing belt and boots that mesh with the timing belt at intervals, the straight portion of the timing belt between the pulleys should be curved inward toward the pulleys. A timing belt device characterized in that a group of small-diameter rollers arranged along a direction are brought into contact with a back surface of a timing belt on the opposite side where teeth are formed.