JPS60101262U - Photosensitive drum drive device - Google Patents

Photosensitive drum drive device

Info

Publication number
JPS60101262U
JPS60101262U JP19432383U JP19432383U JPS60101262U JP S60101262 U JPS60101262 U JP S60101262U JP 19432383 U JP19432383 U JP 19432383U JP 19432383 U JP19432383 U JP 19432383U JP S60101262 U JPS60101262 U JP S60101262U
Authority
JP
Japan
Prior art keywords
photosensitive drum
drive shaft
gear
brake
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19432383U
Other languages
Japanese (ja)
Inventor
稔 清野
正幸 相野谷
筑前谷　隆夫
Original Assignee
日立工機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日立工機株式会社 filed Critical 日立工機株式会社
Priority to JP19432383U priority Critical patent/JPS60101262U/en
Publication of JPS60101262U publication Critical patent/JPS60101262U/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)

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

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

第１図は通常の転写式電子写真印刷装置の概略図、第２
図は第１図の装置の従来の感光ドラム駆動装置の斜視図
、第３図は第２図のギヤとピニオンとの歯先噛み合部の
説明図、第４図は本考案の感光ドラム駆動装置の★施例
の第２図と同部分の斜視図、第５図、第６図、第７図は
それぞれ本考案の感光ドラム駆動装置の他の実施例のブ
レーキ装置の説明図である。 １・・・感光ドラム、３・・・現像装置、６・・・用紙
搬送装置、９・・・駆動軸、１０・・・モータ、１５・
・・ピニオン、１６・・・ギヤ、１７・・・スプリング
、２１・・・ブレーキプーリ、２２・・・ブレーキブロ
ック、２３・・・ピボット、２４・・・圧縮スプリング
、２５・・・ブレーキシュー、Ａ・・・バックラッシュ
。Figure 1 is a schematic diagram of a normal transfer type electrophotographic printing device, Figure 2
The figure is a perspective view of the conventional photosensitive drum driving device of the apparatus shown in FIG. 1, FIG. 3 is an explanatory diagram of the gear and pinion tooth tip meshing part of FIG. 2, and FIG. 4 is the photosensitive drum drive of the present invention. A perspective view of the same part as FIG. 2 of the ★ embodiment of the apparatus, and FIGS. 5, 6, and 7 are explanatory diagrams of the brake device of other embodiments of the photosensitive drum drive device of the present invention, respectively. DESCRIPTION OF SYMBOLS 1... Photosensitive drum, 3... Developing device, 6... Paper conveying device, 9... Drive shaft, 10... Motor, 15...
... Pinion, 16 ... Gear, 17 ... Spring, 21 ... Brake pulley, 22 ... Brake block, 23 ... Pivot, 24 ... Compression spring, 25 ... Brake shoe, A...Backlash.

Claims (1)

【実用新案登録請求の範囲】 １　モータに駆動されるピニオンと噛み合され回転駆動
されるギヤが固定された駆動軸と、該駆動軸に固定され
ると共に該駆動軸に回転駆動される方向に現像装置及び
用紙搬送装置を介し加速され静電潜像を形成する感光ド
ラムとを設けたものにおいて、上記ピニオン及び上記ギ
ヤの歯先噛み合部のバックラッシュを常に最大に保持す
る上記駆動軸の回転を制動するブレーキ装置を饅けたこ
とを特徴とする感光ドラム駆動装置。 ２　上記ブレーキ装置が、上記ギヤ端面に固着されたブ
レーキブーリムスプリングの張力を介し緊張され上記ブ
レーキプーリ外周に張架されたブレーキバンドとから形
成されている実用新案登録請求の範囲第１項記載の感光
ドラム駆動装置。[Claims for Utility Model Registration] 1. A drive shaft to which a gear that is engaged with a pinion driven by a motor and is rotationally driven is fixed, and a gear that is fixed to the drive shaft and rotated by the drive shaft. The drive shaft is equipped with a developing device and a photosensitive drum that is accelerated through a paper conveyance device to form an electrostatic latent image, and the drive shaft is configured to always maintain maximum backlash at the tooth tip meshing portions of the pinion and the gear. A photosensitive drum drive device characterized by being equipped with a brake device that brakes rotation. 2. The above-mentioned brake device is formed of a brake band stretched around the outer periphery of the brake pulley and tensioned through the tension of a brake boom rim spring fixed to the end face of the gear. photosensitive drum drive device.
JP19432383U 1983-12-16 1983-12-16 Photosensitive drum drive device Pending JPS60101262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19432383U JPS60101262U (en) 1983-12-16 1983-12-16 Photosensitive drum drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19432383U JPS60101262U (en) 1983-12-16 1983-12-16 Photosensitive drum drive device

Publications (1)

Publication Number Publication Date
JPS60101262U true JPS60101262U (en) 1985-07-10

Family

ID=30417714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19432383U Pending JPS60101262U (en) 1983-12-16 1983-12-16 Photosensitive drum drive device

Country Status (1)

Country Link
JP (1) JPS60101262U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6255143A (en) * 1985-09-04 1987-03-10 Daiwa Can Co Ltd Multicolor printing machine
JPS6327860A (en) * 1986-07-22 1988-02-05 Ricoh Co Ltd Drive transmitting method
JPH02100083A (en) * 1988-10-07 1990-04-12 Ricoh Co Ltd Image forming device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825480U (en) * 1971-08-03 1973-03-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825480U (en) * 1971-08-03 1973-03-26

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6255143A (en) * 1985-09-04 1987-03-10 Daiwa Can Co Ltd Multicolor printing machine
JPS6327860A (en) * 1986-07-22 1988-02-05 Ricoh Co Ltd Drive transmitting method
JPH02100083A (en) * 1988-10-07 1990-04-12 Ricoh Co Ltd Image forming device

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