JPH0367354U - - Google Patents
Info
- Publication number
- JPH0367354U JPH0367354U JP12963489U JP12963489U JPH0367354U JP H0367354 U JPH0367354 U JP H0367354U JP 12963489 U JP12963489 U JP 12963489U JP 12963489 U JP12963489 U JP 12963489U JP H0367354 U JPH0367354 U JP H0367354U
- Authority
- JP
- Japan
- Prior art keywords
- photoreceptor
- image forming
- rotational driving
- roller member
- driving force
- 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
Links
- 108091008695 photoreceptors Proteins 0.000 claims 5
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000004140 cleaning Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
- Cleaning In Electrography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は本考案を現像ユニツトに適用した場合
の実施例における現像ユニツト支持駆動機構を表
わした平面説明図、第２図は本考案をクリーニン
グユニツトに適用した場合の実施例におけるクリ
ーニングユニツト支持駆動機構を表わした側面説
明図、第３図は第１図に表わされている本考案の
実施例との比較例における現像ユニツト支持駆動
機構を表わした平面説明図である。
１……感光体ドラム、２……現像ユニツト、４
……現像ローラー、５，１３……案内基準ピン、
６，１４……加圧スプリング、７，１５……ロー
ラースペーサー、８……現像ギア、１０……クリ
ーニングユニツト、１１……クリーニングブラシ
。
Fig. 1 is an explanatory plan view showing a developing unit support drive mechanism in an embodiment in which the present invention is applied to a developing unit, and Fig. 2 shows a cleaning unit support drive mechanism in an embodiment in which the present invention is applied to a cleaning unit. FIG. 3 is an explanatory side view showing a mechanism, and FIG. 3 is an explanatory plan view showing a developing unit support and drive mechanism in a comparative example with the embodiment of the present invention shown in FIG. 1...Photosensitive drum, 2...Developing unit, 4
...Developing roller, 5, 13... Guide reference pin,
6, 14...Pressure spring, 7, 15...Roller spacer, 8...Developing gear, 10...Cleaning unit, 11...Cleaning brush.
Claims (1)
に設置されている画像形成用ユニツトと、前記感
光体に対し所定のギヤツプをもつて対向するよう
に画像形成ユニツトに備えられているローラー部
材と、上記ローラー部材と感光体とのギヤツプを
一定に維持させるようにローラー部材の軸方向両
端部分にそれぞれ設けられる一対の位置決め体と
、装置本体側に設けられている回転駆動源の出力
部から上記ローラー部材の軸方向一端側部分に対
して回転駆動力を伝達させる回転駆動力伝達機構
とを備えてなる画像形成装置において、 上記回転駆動力伝達機構は、画像形成用ユニツ
トのローラー部材を感光体表面に押し付ける方向
に回転伝達を行なうように構成されていることを
特徴とする画像形成装置。[Scope of Claim for Utility Model Registration] An image forming unit installed to be able to move back and forth toward and away from a photoreceptor, and an image forming unit facing the photoreceptor with a predetermined gap. a pair of positioning bodies provided at both ends of the roller member in the axial direction so as to maintain a constant gap between the roller member and the photoreceptor; and a pair of positioning bodies provided on the apparatus main body side. In an image forming apparatus comprising: a rotational driving force transmission mechanism that transmits rotational driving force from an output portion of a rotational driving source to one axial end side portion of the roller member, the rotational driving force transmission mechanism is configured to form an image. An image forming apparatus characterized in that the image forming apparatus is configured to transmit rotation in a direction in which a roller member of a photoreceptor unit is pressed against a surface of a photoreceptor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12963489U JPH0367354U (en) | 1989-11-06 | 1989-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12963489U JPH0367354U (en) | 1989-11-06 | 1989-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0367354U true JPH0367354U (en) | 1991-07-01 |
Family
ID=31677250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12963489U Pending JPH0367354U (en) | 1989-11-06 | 1989-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0367354U (en) |
-
1989
- 1989-11-06 JP JP12963489U patent/JPH0367354U/ja active Pending