JPH0257845U

JPH0257845U -

Info

Publication number: JPH0257845U
Application number: JP13552188U
Authority: JP
Priority date: 1988-10-19
Filing date: 1988-10-19
Publication date: 1990-04-25

Description

[Brief explanation of drawings]

第１図は本考案に係る逆転コロの断面図、第２
図は変形例の断面図、第３図は更に別の変形例の
断面図、第４図は第３図の例の分解断面図、第５
図は抜き勾配を設けたハブにヒステリシストルク
を利用するトルクリミツタを用いた断面図、第６
図は第５図のトルクリミツタを用いた場合、給紙
コロと逆転コロに生じる力関係を示す図、第７図
は従来のＦＲＲ給紙装置を用いた複写機の部分説
明図、第８図は従来の逆転コロの断面図、第９図
は第８図の分解斜視図、第１０図は従来のＦＲＲ
給紙装置の一部の正面図、第１１図は給紙コロと
逆転コロを上から見た図である。１……逆転コロ、２……コロ、３……ハブ、４
……トルクリミツタ、５……駆動軸。 Figure 1 is a sectional view of the reversing roller according to the present invention, Figure 2 is a sectional view of the reversing roller according to the present invention;
The figure is a sectional view of a modified example, FIG. 3 is a sectional view of yet another modified example, FIG. 4 is an exploded sectional view of the example shown in FIG.
The figure is a cross-sectional view of a hub with a draft angle and a torque limiter that uses hysteresis torque.
The figure shows the force relationship that occurs between the paper feed roller and the reversing roller when the torque limiter shown in Fig. 5 is used, Fig. 7 is a partial explanatory diagram of a copying machine using a conventional FRR paper feeder, and Fig. 8 is A sectional view of a conventional reversing roller, Fig. 9 is an exploded perspective view of Fig. 8, and Fig. 10 is a conventional FRR.
FIG. 11, which is a front view of a part of the paper feeding device, is a top view of the paper feeding roller and the reversing roller. 1... Reverse roller, 2... Roller, 3... Hub, 4
...torque limiter, 5...drive shaft.

Claims

[Scope of Claim for Utility Model Registration] A paper feeding roller device for preventing double feeding, which includes a paper feeding roller and a reversing roller that returns the paper, the reversing roller is removably located within the hollow annular roller and the roller. a torque limiter formed to be housed so that at least a portion thereof is hidden; the torque limiter has a drive part connected to the drive shaft; a driven part connected to the roller; and the rotation of the drive part is transmitted to the driven part. A paper feeding roller device characterized by having a transmission means for transmitting information.