JPS60122734U

JPS60122734U - Document feeder

Info

Publication number: JPS60122734U
Application number: JP1204584U
Authority: JP
Inventors: 小野　静行
Original assignee: 富士ゼロックス株式会社
Priority date: 1984-01-30
Filing date: 1984-01-30
Publication date: 1985-08-19

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図は従来の原稿送り装置の側面図、第２図は同装置
の要部の側面図、第３図は同装置の平面図、第４図は本
考案の一実施例の断面図、第５図は第４図における実施
例のモータ制御回路のブロック図である。１・・・複写機本体、２・・・原稿送り装置、３・・・
原稿送り装置本体、４，５・・・プラテンロール、６・
・・プラテンベルト、７．訃・・軸、９．１０・・・カ
ムフォロアー、１１．１２・・・カム、１３・・・フレ
ーム、１４．１５・・・カム軸、１６．１７・・・スプ
リング、１８．１９・・・プーリ、２０・・・ステッピ
ングモータ、２１・・・プーリ、２２．２３・・・タイ
ミングベルト、２４・・・プラテンガラス、２５・・・
データ入力部、２６・・・データ選別部、２７・・・カ
ウンター、２９・・・比　　　−較部、２９・・・モー
タ駆動部、ａ・・・原稿。FIG. 1 is a side view of a conventional document feeder, FIG. 2 is a side view of the main parts of the device, FIG. 3 is a plan view of the device, and FIG. 4 is a sectional view of an embodiment of the present invention. FIG. 5 is a block diagram of the motor control circuit of the embodiment shown in FIG. 4. 1...Copying machine main body, 2...Document feeder, 3...
Document feeder main body, 4, 5... platen roll, 6.
...Platen belt, 7. Death...shaft, 9.10...cam follower, 11.12...cam, 13...frame, 14.15...camshaft, 16.17...spring, 18.19...・Pulley, 20...Stepping motor, 21...Pulley, 22.23...Timing belt, 24...Platen glass, 25...
Data input section, 26... Data sorting section, 27... Counter, 29... Comparison section, 29... Motor drive section, a... Document.

Claims

[Scope of utility model registration request]

The copying machine is equipped with two platen rolls installed at the front and back ends above the platen glass, and a platen belt stretched between the rolls, and a document is held between the platen belt and the platen glass. A document feeding device that conveys a document to a predetermined position on a platen glass is provided with a roll pressure variable mechanism that pushes and presses each of the platen rolls against the platen glass and changes this pressure in accordance with the thickness of the document. A document feeder characterized by: