JPS61181037U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ないし第３図はこの考案の一実施例を示
すもので、第１図ａは平面図、同図ｂはその圧力
分布の特性図、第２図は概略側面図、第３図は概
略斜視図、第４図は従来例を示す概略側面図、第
５図はその概略斜視図、第６図ａは平面図、同図
ｂはその圧力分布の特性図である。 ２０……原稿、２０ＭＩＮ……最小幅原稿、２
０ＭＡＸ…最大幅原稿、２１……給紙ローラ、２
２……ブレーキローラ、２３……前段搬送ローラ
、２４……押圧ローラ、２７……後段搬送ローラ
、２８……押圧ローラ、３９……張りローラ、Ｐ
……原稿露光読取り位置。 Figures 1 to 3 show an embodiment of this invention, where Figure 1a is a plan view, Figure b is a characteristic diagram of pressure distribution, Figure 2 is a schematic side view, and Figure 3 is a diagram. 4 is a schematic side view showing a conventional example, FIG. 5 is a schematic perspective view thereof, FIG. 6a is a plan view, and FIG. 6b is a characteristic diagram of pressure distribution. 20...Original, 20MIN...Minimum width original, 2
0MAX...Maximum width original, 21...Paper feed roller, 2
2...Brake roller, 23...Previous conveyance roller, 24...Press roller, 27...Second conveyance roller, 28...Press roller, 39...Tension roller, P
...Original exposure reading position.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 給紙ローラ・ブレーキローラ対により一枚ずつ
分離給紙される原稿を前段搬送ローラ・押圧ロー
ラ対と後段搬送ローラ・押圧ローラ対とにより原
稿露光読取り位置を所定速度で搬送させて原稿画
像を読取るようにした原稿読取り搬送装置におい
て、前記各ローラを最小幅原稿よりも短い長さと
して原稿幅中心に配置するとともに、前記原稿露
光読取り位置直前で前記前段搬送ローラ・押圧ロ
ーラ対と後段搬送ローラ・押圧ローラ対とを結ぶ
接線より原稿搬送路側に突出させて配置させた最
大幅原稿より長めの張りローラを設けたことを特
徴とする原稿読取り搬送装置。 The document is separated and fed one by one by a pair of paper feed rollers and brake rollers, and is conveyed at a predetermined speed to the document exposure reading position by a pair of front-stage conveyance rollers and a pair of pressure rollers and a pair of rear-stage conveyance rollers and pressure rollers, and the document image is read. In the document reading and conveying device, each of the rollers is arranged at the center of the document width with a length shorter than the minimum width document, and the front conveyance roller/pressing roller pair and the rear conveyance roller pair are arranged immediately before the document exposure/reading position. A document reading and conveying device characterized in that a tension roller is provided that is longer than the maximum width document and is arranged to protrude toward the document conveyance path from a tangent line connecting a pair of pressure rollers.