JPS5887579A - Interval holding mechanism of electrostatic image carrying body - Google Patents
Interval holding mechanism of electrostatic image carrying bodyInfo
- Publication number
- JPS5887579A JPS5887579A JP18568181A JP18568181A JPS5887579A JP S5887579 A JPS5887579 A JP S5887579A JP 18568181 A JP18568181 A JP 18568181A JP 18568181 A JP18568181 A JP 18568181A JP S5887579 A JPS5887579 A JP S5887579A
- Authority
- JP
- Japan
- Prior art keywords
- electrostatic image
- image carrier
- spacing
- drum
- support ring
- 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
- 230000007246 mechanism Effects 0.000 title claims description 14
- 238000005323 electroforming Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 108091008695 photoreceptors Proteins 0.000 description 14
- 238000000926 separation method Methods 0.000 description 10
- 239000000969 carrier Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 etc. Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008531 maintenance mechanism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
- G03G15/751—Details relating to xerographic drum, band or plate, e.g. replacing, testing relating to drum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Photoreceptors In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は静電像担持体の間隔保持機構に関し、とりわけ
電鋳法により作成された薄肉円筒又は無端ベルトを用い
て作成された静電像担持体の間隔保持機構に関し有効で
ある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a spacing mechanism for electrostatic image carriers, and more particularly to a spacing mechanism for electrostatic image carriers made using a thin cylinder or endless belt made by electroforming. It is valid.
以下、静電像担持体の基体を電鋳法によって作成し、該
基体の補強のために補強部材を付設した静電像担持体に
ついて説明する。勿論本発明が以下の電鋳法による静電
像担持体での間隔保持機構に限定されるものではない。Hereinafter, an electrostatic image bearing member will be described in which the base body of the electrostatic image bearing body is produced by electroforming and a reinforcing member is attached to reinforce the base body. Of course, the present invention is not limited to the spacing mechanism for an electrostatic image carrier using the electroforming method described below.
電鋳法（ｅｌｅｃｔｒｏｆｏｒｍｌｎｇ ）はめっきと
同様に金属の電着を利用し、所定の形のものを作る方法
であるが、次の長所をもっている。Electroforming is a method of manufacturing a predetermined shape by using electrodeposition of metal, similar to plating, and has the following advantages.
（１）一般の金属工業ではむずかしい薄い製品を作るこ
とができる。厚いｆｉ５では制限がない。(1) It is possible to make thin products that are difficult in the general metal industry. With thick fi5 there is no limit.
（１） −目なしの管やベルトを作ることができる。(1) - It is possible to make pipes and belts without eyes.
（２）狭い公差と優れた表面仕上のものができる（公差
で±２μｍ、表面あらさで０５〜１５μｍ）。(2) Products with narrow tolerances and excellent surface finish can be produced (tolerance: ±2 μm, surface roughness: 05-15 μm).
轢 金属のかたさ、引張強さなどの機械的性質を調節す
ることができる（液組成と電着条件の制御による）。Mechanical properties such as metal hardness and tensile strength can be adjusted (by controlling liquid composition and electrodeposition conditions).
また有料もＡｊ、Ｔｉ 、Ｃｒ、Ｍｏ、Ｗ等、さらニ合
金としては黄銅、ステンレス、Ｃｏ−人ｌ＊０． 、
Ｐｂ −ＴＩＯ，、Ｐｂ−Ｔｉｅ等から選択することが
できる。In addition, there are charges such as Aj, Ti, Cr, Mo, W, etc., and alloys such as brass, stainless steel, Co-personl*0. ,
It can be selected from Pb-TIO, Pb-Tie, etc.
このように電鋳法を用いて軽量で高精度のものを同型多
数生産することができることから、電子写真等における
静電像担持体の基体としてのローラまたはベルトとし【
、電鋳法による薄肉円筒または無端ベルトを用いること
とした。As described above, electroforming can be used to produce large numbers of lightweight, high-precision products of the same type, so rollers or belts are used as the base of electrostatic image carriers in electrophotography, etc.
, we decided to use a thin-walled cylinder or endless belt made by electroforming.
第１図は静電記録装置の一例を示した全体断面図である
。セレン、酸化亜鉛等の材料を塗布あるいは蒸着した静
電像担持体である感光体ドラム１の周囲には、矢印で示
した回転方向にコロナ帯電器２、露光光学系３、トナー
現像装置１４、転写電極５、分離■−ラ６、除電器７、
クリーニング装置８が順次隣合わされて配列されている
。またカ七ッ）９から供給された記碌紙Ｐは感光体ドラ
ム１と転写電極５０間を通過し、この間にトナー像な転
写され、分離四−ラ６によって感光体ドラム！から分離
され、搬送装置、定着器１０な通って装置外に堆出され
る。FIG. 1 is an overall sectional view showing an example of an electrostatic recording device. Around the photosensitive drum 1, which is an electrostatic image carrier coated or vapor-deposited with materials such as selenium and zinc oxide, there are a corona charger 2, an exposure optical system 3, a toner developing device 14, Transfer electrode 5, separation ■-ra 6, static eliminator 7,
The cleaning devices 8 are arranged next to each other in sequence. In addition, the recording paper P supplied from 9) passes between the photoreceptor drum 1 and the transfer electrode 50, during which time a toner image is transferred to the photoreceptor drum by the separation roller 6. The image is separated from the image forming apparatus, passes through a conveying device and a fixing device 10, and is deposited outside the apparatus.
このような静電記録装置にあって、感光体ドラムｌの周
辺にある各プロセス関係の部材あるいは装置は、ドラム
局面との位置関係すなわち間隙寸法が正確に保持される
ことが重要である場合が多い。従来は治具等を用いて静
電記録装置の基板等に取付けて位置間隔等を確保するこ
とがなされていた。この場合、組立工数や部品点数を多
く必要とし、ドラムに偏心等があるときは誤差となり、
複雑であったにも拘らず精度出しに困難を伴うものであ
った。In such an electrostatic recording device, it is sometimes important that the positional relationship with the drum surface, that is, the gap size, of each process-related member or device around the photoreceptor drum l is maintained accurately. many. Conventionally, a jig or the like has been used to attach it to a substrate or the like of an electrostatic recording device to ensure positional spacing and the like. In this case, a large number of assembly man-hours and parts are required, and if the drum has eccentricity, errors may occur.
Despite its complexity, it was difficult to achieve accuracy.
本発明は一例として電鋳法によって作成された薄肉円筒
又は無端ベルトを用いた靜ｗｌ像担持体とその周辺に配
設される被間隔保持装置との間隔な保持する間隔保持機
構に関するもので、従来のような治具による調整を不要
とし、組立工数、部品点数の低減を目的としてなされた
もので、上記目的は、静電像担持体と該静電像担持体の
周辺に配設される被間隔保持装着との間隔を保持する静
電像担持体の間隔保持機構において、前記靜Ｎ像担持体
の両１１１ｂｋＣ蟲接する補強部材を設け、皺補強部材
の端面当接部の外径を前記静電像担持体と被間隔保持装
置との間隔保持のための突当て部材となしたことを特徴
とする静電像担持体の間隔保持機構によって達成される
。The present invention relates to a distance maintaining mechanism for maintaining a distance between a silent image carrier using a thin cylinder or an endless belt made by electroforming, and a distance maintaining device disposed around the image carrier, as an example. This was done with the aim of eliminating the need for adjustments using conventional jigs and reducing assembly man-hours and the number of parts. In a spacing maintenance mechanism for an electrostatic image carrier that maintains a distance from a distance-maintaining attachment, a reinforcing member is provided that contacts both 111bkC of the static image carrier, and the outer diameter of the end surface abutting portion of the wrinkle reinforcing member is set as above. This is achieved by a gap maintaining mechanism for an electrostatic image carrier, characterized in that it is an abutment member for maintaining the gap between the electrostatic image carrier and the distance maintaining device.
以下、図ＦＩｊｌＫよりて本発明の詳細な説明を行う。Hereinafter, the present invention will be explained in detail with reference to FIG. FIjlK.
第２図は本発明の実施例で、何れも感光体ドラムに適用
した軸方向に切りた断面図を示し？−ものである。FIG. 2 shows an embodiment of the present invention, each of which shows a cross-sectional view cut in the axial direction applied to a photoreceptor drum. -It is something.
１１は電鋳法により作成した薄肉円筒周面に感光体を付
着させた静電像担持体である円筒ドラムである。円筒ド
ラム１１の肉厚はＯ，Ｏ１１１ｍｌ〜２■で、とりわけ
０．１〜ｌｓｍのものが多用される。Reference numeral 11 denotes a cylindrical drum, which is an electrostatic image carrier having a photoreceptor attached to the circumferential surface of a thin cylinder produced by electroforming. The wall thickness of the cylindrical drum 11 is from 111 ml to 2 cm, and in particular, from 0.1 to lsm is often used.
円筒ドラム１１０両側には補強部材であるサポートリン
グ１２を設けた。サポートリング１２は、円筒ドラム１
１の内面ＩＬＪＩ及び円筒ドラム１１の端面１１ ｂＫ
当接し、且つサポートリング１２の端面当接部の外径１
２ ｂは１１１２図（ａ）では突当【部材として円筒ド
ラム１１の外径よりも大きくするようにしている。Support rings 12, which are reinforcing members, are provided on both sides of the cylindrical drum 110. The support ring 12 is attached to the cylindrical drum 1
1 inner surface ILJI and end surface 11 bK of cylindrical drum 11
The outer diameter 1 of the end surface abutting portion of the support ring 12
2b is 1112 In FIG. 11(a), the abutting member is made larger than the outer diameter of the cylindrical drum 11.
このようなすボートリング１２に円筒ドラム１１の両端
部に設けると、円筒ドラム１１は薄肉円筒であっても着
量でかつ充分な強度をもつこととなる。If such boat rings 12 are provided at both ends of the cylindrical drum 11, the cylindrical drum 11 will have a sufficient amount of coverage and sufficient strength even if it is a thin cylinder.
−毅に円筒ドラム１１とサポートリング１２とはドラム
両側のサポートリング１２を継ぐステー（図示せず）に
よって該ドラムを締付けることによって固定しており、
接着剤等によって固定することもできる。- The cylindrical drum 11 and the support ring 12 are fixed by tightening the drum with stays (not shown) that connect the support rings 12 on both sides of the drum,
It can also be fixed with adhesive or the like.
２１は被間隔保持装置である。１２図（ａｌ において
は、サポートリング１２の前記の外径１２ｂ（突当て部
材）Ｋ当接し、従動回転する回転部材（ローラ）４を設
け、被間隔保持装置１２１とローラｎとを同軸とし、そ
の軸回がスプリング等によってローラρト？ホー）リン
グ１２とが常に当接するように設けた。Reference numeral 21 denotes a spacing holding device. In FIG. 12 (al), a rotating member (roller) 4 is provided which is in contact with the outer diameter 12b (abutting member) K of the support ring 12 and is driven to rotate, and the spaced holding device 121 and the roller n are coaxial. The shaft is provided so that it is always in contact with the roller ring 12 by means of a spring or the like.
このようＫするときは、円筒ドラム１１の外径、サポー
トリングの外径１２ｂ１被間隔保持装置２１の外径、お
よびローラｎの外径によって円筒ドラム１１と被間隔保
持装ｆｆ１ｉ２１との間隙寸法が決定し、従来のような
治具や、調整環は不要で、しかも精度のよい間隔保持が
なされる。When performing K in this way, the gap size between the cylindrical drum 11 and the spacer holding device ff1i21 is determined by the outer diameter of the cylindrical drum 11, the outer diameter of the support ring 12b1, the outer diameter of the spacer holding device 21, and the outer diameter of the roller n. There is no need for conventional jigs or adjustment rings, and the spacing can be maintained with high precision.
１１２図（ｂ＋は、ローラｎが従動回転する対象を前記
のサポートリング１２の外径１２ ｂではなく、別にサ
ポートリング１２に設けた外径１２ ｃ ｖｃ当接し従
動回転するようにしたものである。Fig. 112 (b+ shows that the roller n is driven to rotate by contacting the outer diameter 12c vc provided separately on the support ring 12, instead of the outer diameter 12b of the support ring 12 described above) .
次に第１図の静電記録装置に於ける間隔保持機構の適用
例につき説明する。勿論之ＩＩＩＩＫ限定されるもので
はない。Next, an example of application of the distance maintaining mechanism in the electrostatic recording apparatus shown in FIG. 1 will be explained. Of course, this is not limited to IIIK.
（１）被間隔保持装置２１が現像ローラ４１である場合
現像な−４４１は公知の如く永久磁石を内蔵しその外側
に非磁性の円筒目−ラを設けたもので、内側の永久磁石
だけが回転する方式や、円筒ローラだけが回転する方式
、両者が回転する方式がある。また現倫剤が一成分系現
像剤と二成分系現倫剤の場合で円筒ドラム１１と現像ロ
ーラ４１との間隙寸法は相異するが大体０．３ｍ〜５簡
の間で、実験的に求められたもので、調整には精度を要
求されるものである。(1) When the distance holding device 21 is the developing roller 41, the developing roller 441 has a built-in permanent magnet and a non-magnetic cylindrical roller on the outside, and only the inner permanent magnet There are methods in which the roller rotates, methods in which only the cylindrical roller rotates, and methods in which both rotate. In addition, the gap size between the cylindrical drum 11 and the developing roller 41 is different depending on whether the developing agent is a one-component developer or a two-component developer, but it is approximately between 0.3 m and 5 cm. This is something that is required and requires precision in adjustment.
本発明は現像ローラ４１に適用することができる。The present invention can be applied to the developing roller 41.
（２）被間隔保持装置２１が飛散防止ローラ４２である
場合
トナー現像装置４の内側ではトナー飛散があり、これが
現像装置４より外に出ることを防止するため、円筒ドラ
ム１１との出入口に当る部分に飛散防止ローラ４２を設
ける。したがってこの場合は円筒ドラム１１と飛散防止
ローラ収との間隙はなるべく近接していることが望まし
く、０．２ｍ乃至１ｍ程［［保持する。(2) When the distance holding device 21 is a scattering prevention roller 42, there is toner scattering inside the toner developing device 4, and in order to prevent this from coming out of the developing device 4, the spacing prevention roller 42 is installed at the entrance/exit to the cylindrical drum 11. A scattering prevention roller 42 is provided at the portion. Therefore, in this case, it is desirable that the gap between the cylindrical drum 11 and the anti-scattering roller be as close as possible, and should be maintained at about 0.2 m to 1 m.
本発明は飛散防止ローラ４２に適用することができ−る
。The present invention can be applied to the anti-scattering roller 42.
（３）被間隔保持装置２１が分離ローラ６である場合
分離μｍう６は転写を終えた記録紙Ｐを静電的に付着さ
せ、円筒ドラム１１から分離させる。従って分離ローラ
６は円筒ドラム１１と同じ周速度で同方向に回転すると
共に、分離ローラ６軸は上下に移動し、円筒ドラム１１
に極めて近接した位置、例えば０．２■乃至１ ｍ ｌ
！度の間隔位置で記録紙Ｐを付着させ、ついで分離ロー
ラ６軸が下って分離を行うような構造とする。ローラｎ
ｆ）ＩＩ触対象であるサポートリング１２の外径１２
ｂ又は１２ Ｃをカム形状とすることによって分離ロー
ラ６軸を上下作動させることもできる。本発明は分離ロ
ーラ６に適用することができる。(3) When the distance holding device 21 is the separation roller 6, the separation μm 6 electrostatically attaches the recording paper P that has been transferred and separates it from the cylindrical drum 11. Therefore, the separation roller 6 rotates in the same direction as the cylindrical drum 11 at the same circumferential speed, and the axis of the separation roller 6 moves up and down.
, e.g. 0.2 to 1 ml
! The structure is such that the recording paper P is attached to the recording paper P at a certain interval, and then the separation roller 6 shaft descends to perform separation. Laura n
f) Outer diameter 12 of the support ring 12 that is the object of II contact
By making b or 12C into a cam shape, the separation roller 6 shaft can be moved up and down. The present invention can be applied to the separation roller 6.
（４） 被間隔保持装置２１がトナー回収ローラ８２
である場合
クリーニング装置８において、クリーニングブレード８
１で掻落したトナーを回収するためのトナー回収ｐ−ラ
乾は、なるべく円筒ドラム１１に近接した位置、例えば
０．２■乃至ｌ■程度の間隙を保持して矢印方向に回転
していることが必要である。本発明はトナー回収−−ラ
８２に適用することができる。(4) The space holding device 21 is the toner collection roller 82
In the cleaning device 8, the cleaning blade 8
The toner collection p-ra dryer for collecting the toner scraped off in step 1 must be rotated in the direction of the arrow while maintaining a position as close to the cylindrical drum 11 as possible, for example, with a gap of about 0.2 cm to 1 cm. is necessary. The present invention can be applied to the toner collection roller 82.
ｌｌＮ５ＷＪは電鋳法により作成された無端ベルトを用
いた静電像担持体へめ実施例な示した側面図で、第４Ｗ
Ｊは１１１３図におけるＸ−Ｘ断面を示したものである
。llN5WJ is a side view showing an example of an electrostatic image carrier using an endless belt made by electroforming, and the 4th W
J shows the XX cross section in Figure 1113.
３１は電鋳法により作成した無端ベルト周’ｆＭＫ感光
体を付着させた感光体ベルトである。無端ベルトの肉厚
は約０．３＋ａｔである。この感光体ベルト３１の両端
部の両側にサポートリング３２を設けた。サポートリン
グ教は感光体ベルト３１の内面と端部に当接し、且つサ
ボー）ＩＪング支の端面当接部の外径３２ｂは感光体ベ
ルト３１の外径よりも大きくしである。また感光体ベル
ト３１０両端面には等間隔の孔が設けてあり、之にサポ
ートリング諺周面）：に婢間隔に設けた爪３３が噛合し
両者の間ですべりがないような構造としている。Reference numeral 31 denotes a photoreceptor belt to which a MK photoreceptor is adhered around the endless belt produced by electroforming. The wall thickness of the endless belt is approximately 0.3+at. Support rings 32 were provided on both ends of this photoreceptor belt 31. The support ring contacts the inner surface and end portion of the photoreceptor belt 31, and the outer diameter 32b of the end surface abutting portion of the support ring is larger than the outer diameter of the photoreceptor belt 31. Further, holes are provided at equal intervals on both end surfaces of the photoreceptor belt 310, and claws 33 provided at small intervals are engaged with the support ring (peripheral surface) so that there is no slippage between the two. .
雪１は餐間隔保持装置で、サポートリング〜の外径３２
ｂＫ従動回転するローラｌを設け、被間隔保持装置２１
とローラ２２とを同軸とし、その軸２３がローラ２２と
サポートリング諺とが常に当接するような構造としてい
る。Snow 1 is a spacing device, and the outer diameter of the support ring is 32
bK A driven rotating roller l is provided, and the distance holding device 21
and the roller 22 are coaxial, and the shaft 23 is structured such that the roller 22 and the support ring are always in contact with each other.
以上の構造をもった間隔保持機構によっても、感光体ベ
ルト３１と被間隔保持装ｆｆ１ｆ２１との間では円筒ド
ラムで説明したと同じ効果が得られる。Even with the spacing mechanism having the above-described structure, the same effect as described for the cylindrical drum can be obtained between the photoreceptor belt 31 and the spacing holding device ff1f21.
ところで侭担持体のサボー） ＩＪングの外径部と被間
隔保持部材の当接の方法は、ます像担持体が所定位置に
なく、これから装着しようとする時、像担持体の周囲に
配設されている被間隔保持装置はスプリング部の弾性部
材による抑圧機構（図示せず）を解除することによって
、＠ｌ担持体外周面に対し、はｙ法線方向に逃げるよう
移動しており、像担持体をその軸方向に静電記銀装蓋に
挿入した後、各被間隔保持装置を、前記抑圧機構な復元
することによって、サポートリングの外径部と被間隔保
持部材側の回転部材を当接せしめることＫよって本発明
の目的である間隔保持機構が達成されることになる。By the way, the method of contacting the outer diameter part of the IJ ring with the spaced holding member is that when the image carrier is not in the specified position and you are about to mount it, the IJ ring is placed around the image carrier. By releasing the suppression mechanism (not shown) made of the elastic member of the spring part, the spaced holding device moves away from the outer peripheral surface of the carrier in the y normal direction, and the image is After inserting the carrier into the electrostatic recording silver cover in its axial direction, each spaced holding device is restored to its original state by the suppressing mechanism, so that the outer diameter of the support ring and the rotating member on the side of the spaced holding member are By bringing them into contact K, the distance maintaining mechanism which is the object of the present invention is achieved.
また本発明で用いる像担持体は、先に述べた如く、一般
のアルミを切削又は鋳造尋によって基体を成形し、その
上に感光体等を塗布又は蒸着して層をなしたものにも、
電鋳法によって成形した肉厚の薄いベルト又は円筒状の
基体を用いた像担持体にも適用できる。Furthermore, as mentioned above, the image carrier used in the present invention may be one in which a substrate is formed by cutting or casting general aluminum, and a layer is formed by coating or vapor depositing a photoreceptor etc. on the substrate.
It can also be applied to an image carrier using a thin belt or a cylindrical base formed by electroforming.
異体的な像担持体の層構成の一例としては図示しないが
、アルミの基体）、に下引き層、更にその上Ｋ ＯＰＣ
等の感光体を塗布したもの、またアルイ基体上にセレン
、アモルファスノリコン等を蒸着１１図は静電記録装置
の全体断面図で、第２図は本発明の円筒ドラムへの実施
例の断面図で、第３図、第４図は本発明の感光体ベルト
への集施例の側面図と断面図とを示す。Although not shown, an example of the layer structure of a different image carrier includes an aluminum base), an undercoat layer, and a K OPC layer on top of the undercoat layer.
11 is an overall sectional view of an electrostatic recording device, and FIG. 2 is a sectional view of an embodiment of the present invention on a cylindrical drum. 3 and 4 show a side view and a sectional view of an embodiment of the present invention assembled into a photoreceptor belt.
１１ 、３１・・・・・・靜１［像担持体１２ 、３２
・・・・・・サポートリング（補強部材）２１、・−ｒ
ｔ・・・・・・被間隔保持装置２２、−９！ビ・・・・
・・ローラ（回転部材）代理人 桑 原 義 美11 , 31 . . . 1 [Image carrier 12 , 32
...Support ring (reinforcement member) 21, -r
t...Spacing holding device 22, -9! Bi...
...Roller (rotating member) agent Yoshimi Kuwahara
Claims (2)
される被間隔保持装置との間隔を保持する静電像担持体
の間隔保持機構において、前記静電像担持体の両道に当
接する補強部材を設け、該補強部材の端面当接部の外径
を前記静電像担持体と被間隔保持！Ｉｌｉとの間隔保持
のための央当て部材となし、該補強部材の外周面１ｆＣ
４接し従動回転せしめられる回転部材を前記被間隔保持
装置に設けたことを特徴とする静電像担持体の間隔保持
機構。(1) In an electrostatic image carrier spacing mechanism that maintains a spacing between an electrostatic image carrier and a spacing device disposed around the electrostatic image carrier, the electrostatic image carrier A reinforcing member is provided that abuts on both paths, and the outer diameter of the end surface abutting portion of the reinforcing member is maintained at a distance from the electrostatic image carrier! The outer peripheral surface 1fC of the reinforcing member is used as a center support member to maintain the distance from Ili.
A spacing maintaining mechanism for an electrostatic image carrier, characterized in that the spacing holding device is provided with a rotating member that is in contact with four parts and is driven to rotate.
薄肉円筒又は無端ベルト上に像担持層を形成せしめてな
る特許請求の範囲１１１１項記載の静電像担持体の間隔
保持機構。(2) An electrostatic image carrier spacing mechanism according to claim 1111, wherein the electrostatic image carrier has an image carrier layer formed on a thin cylinder or an endless belt produced by electroforming. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18568181A JPS5887579A (en) | 1981-11-19 | 1981-11-19 | Interval holding mechanism of electrostatic image carrying body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18568181A JPS5887579A (en) | 1981-11-19 | 1981-11-19 | Interval holding mechanism of electrostatic image carrying body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5887579A true JPS5887579A (en) | 1983-05-25 |
Family
ID=16175001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18568181A Pending JPS5887579A (en) | 1981-11-19 | 1981-11-19 | Interval holding mechanism of electrostatic image carrying body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5887579A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5521678A (en) * | 1993-12-21 | 1996-05-28 | Xerox Corporation | Electrostatographic imaging drum having a periphery flush with periphery of an end cap |
| US5576803A (en) * | 1993-12-21 | 1996-11-19 | Xerox Corporation | Electrostatographic imaging drum end cap and drum assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5652770B2 (en) * | 1977-03-16 | 1981-12-15 |
-
1981
- 1981-11-19 JP JP18568181A patent/JPS5887579A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5652770B2 (en) * | 1977-03-16 | 1981-12-15 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5521678A (en) * | 1993-12-21 | 1996-05-28 | Xerox Corporation | Electrostatographic imaging drum having a periphery flush with periphery of an end cap |
| US5576803A (en) * | 1993-12-21 | 1996-11-19 | Xerox Corporation | Electrostatographic imaging drum end cap and drum assembly |
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