JPH0472939U

JPH0472939U -

Info

Publication number: JPH0472939U
Application number: JP11599690U
Authority: JP
Priority date: 1990-11-05
Filing date: 1990-11-05
Publication date: 1992-06-26

Description

[Brief explanation of drawings]

第１図は自動原稿給送装置の概略図、第２図は
搬送ベルト部分の正面図、第３図は部分破断平面
図、第４図は原稿サイズを示す平面図、第５図及
び第６図は夫々加圧コロ部の別の実施例の正面図
である。１……自動原稿給送装置、６……搬送ベルト、
１２……加圧コロ、１３……軸部、１４……コロ
部、１５……軸受。 Fig. 1 is a schematic diagram of the automatic document feeder, Fig. 2 is a front view of the conveyor belt, Fig. 3 is a partially cutaway plan view, Fig. 4 is a plan view showing the document size, and Figs. 5 and 6. Each figure is a front view of another embodiment of the pressure roller section. 1...Automatic document feeder, 6...Transport belt,
12... Pressure roller, 13... Shaft portion, 14... Roller portion, 15... Bearing.

Claims

[Scope of Claim for Utility Model Registration] (1) A conveyor belt provided to convey a document over a contact glass for document illumination in a copying machine, and a conveyor belt placed inside the conveyor belt that presses the conveyor belt against the contact glass by its own weight. In an automatic document feeder for a copying machine, the pressure roller is disposed at a predetermined position and supported by a bearing that is regulated so as not to move in the direction of movement of the conveyor belt. It has a plurality of roller portions arranged at predetermined intervals and whose outer circumferential surfaces are in contact with the conveyor belt, and the outer circumferential portions of the roller portions which are in contact with the conveyor belt extend along a plane inclined with respect to the axis. Automatic document feeder for copying machines. (2) The automatic document feeder for a copying machine according to claim 1, wherein the inclined surface of the outer circumferential portion of the roller portion is formed as an inclined surface in opposite directions in the left and right directions in the axial direction from the central portion of the conveyor belt. sending device. (3) The automatic document feeding device for a copying machine according to claim 1 or 2, wherein the plurality of roller portions are connected to each other and formed as at least one roller having a spiral outer peripheral portion.