JPS6373248U

JPS6373248U -

Info

Publication number: JPS6373248U
Application number: JP16880286U
Authority: JP
Priority date: 1986-10-31
Filing date: 1986-10-31
Publication date: 1988-05-16

Description

[Brief explanation of drawings]

図面は本考案の実施例を示し、第１図は原稿送
り装置の概略断面図、第２図はベルトテンシヨン
機構の斜視図である。１……コンタクトレンズ、１３，１４……ベル
ト巻回用ローラ、１５……エンドレスベルト、２
０……アーム、２５……テンシヨンローラ、２６
……支軸、２７……テンシヨンスプリング。 The drawings show an embodiment of the present invention, with FIG. 1 being a schematic sectional view of a document feeder, and FIG. 2 being a perspective view of a belt tension mechanism. 1... Contact lens, 13, 14... Belt winding roller, 15... Endless belt, 2
0...Arm, 25...Tension roller, 26
...Spindle, 27...Tension spring.

Claims

[Scope of utility model registration request]

In a document feeding device of a copying machine in which a document is conveyed to a predetermined position on a contact glass by an endless belt, rollers for winding the belt are fixed in position on both sides of the document feeding direction with respect to the contact glass. At the same time, an arm is provided on both sides of the endless belt in the width direction, and a tension roller is provided that is swingable around an axis in the belt width direction, and a tension roller is provided in contact with the inner surface of the non-conveying portion of the endless belt. A support shaft that is divided into a plurality of parts in the axial direction and rotatably supports each of the divided rollers is attached to the arm so as to be rotatable around an imaginary axis in the document feeding direction, and the tension A document feeding device for a copying machine, comprising a tension spring that biases a roller into contact with a non-conveying surface of an endless belt.