JP4828652B2 - Film loading tool, film loading method, and image forming apparatus - Google Patents
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本発明は、画像形成装置のフィルム装填具に関するものであり、特に感光体フィルム、中間転写体フィルム、転写フィルム、搬送フィルム、定着フィルム等、画像形成装置の各部に用いられる無端状に形成されたフィルムの装填具に関するものである。 The present invention relates to a film loading device for an image forming apparatus, and in particular, it is formed in an endless shape used for each part of the image forming apparatus, such as a photosensitive film, an intermediate transfer film, a transfer film, a transport film, and a fixing film. The present invention relates to a film loading device.
図３に、従来技術のフィルム装填法の概略図を示す。フィルムについては、感光体フィルム、中間転写体フィルム、転写フィルム、搬送フィルム、定着フィルム等が挙げられる。図において、１はフィルム、２ａ，２ｂはパイプ、５ａ，５ｂは支持ローラ、８ａ，８ｂはアダプタ、９はガイド部材、１０はフィルムフレームである。 FIG. 3 shows a schematic diagram of a prior art film loading method. Examples of the film include a photoreceptor film, an intermediate transfer film, a transfer film, a transport film, and a fixing film. In the figure, 1 is a film, 2a and 2b are pipes, 5a and 5b are support rollers, 8a and 8b are adapters, 9 is a guide member, and 10 is a film frame.
フィルム１を装填する際は、フィルムフレーム１０を図示しない画像形成装置の本体から引き出し、図の様にアダプタ８ａ，８ｂ、及びガイド部材９をフィルムフレーム１０に取り付け、その後、フィルム１を掛けた状態でパイプ２ａ，２ｂをそれぞれアダプタ８ａ，８ｂに挿入してフィルム１を支持する。 When the film 1 is loaded, the film frame 10 is pulled out from the main body of the image forming apparatus (not shown), the adapters 8a and 8b and the guide member 9 are attached to the film frame 10 as shown, and then the film 1 is hung. Then, the pipes 2a and 2b are inserted into the adapters 8a and 8b, respectively, to support the film 1.
ガイド部材９にはテ―パが設けられており、オペレータがフィルム１をフィルムフレーム１０に向けて装填する際にフィルム１の中央部に発生する撓みは、ガイド部材９のテ―パによって保持される形で解消される。また、フィルム１はパイプ２ａ，２ｂにより支持されることで、フィルム１の落下を防止する。 The guide member 9 is provided with a taper, and the bending that occurs at the center of the film 1 when the operator loads the film 1 toward the film frame 10 is held by the taper of the guide member 9. It is solved in the form. The film 1 is supported by the pipes 2a and 2b, thereby preventing the film 1 from falling.
これらにより、表面を傷つけることなくフィルム１をフィルムフレーム１０に装填する仕組みになっている（例えば、特許文献１参照）。 Thus, the film 1 is loaded into the film frame 10 without damaging the surface (for example, see Patent Document 1).
近年の超高速の画像形成装置においては、フィルムの周長は２ｍ以上に及び、その奥行き方向（フィルム装填方向）の長さも６０ｃｍ以上と、長大化、幅広化しつつある。そのため、このような従来方式のフィルム装填法では、長大で幅広なフィルムに対応すべく、ガイド部材９について、テ―パ部の長さおよび装填時のフィルム１の中央部の撓みを保持する区間の幅を長くとる必要があるため、ガイド部材９の奥行き方向（フィルム装填方向）および幅方向（フィルム周長方向）の長さが大きくなり、必然的にガイド部材９が大型になってしまうという問題があった。 In recent ultra-high-speed image forming apparatuses, the peripheral length of the film is 2 m or more, and the length in the depth direction (film loading direction) is 60 cm or more. Therefore, in such a conventional film loading method, the length of the taper portion and the section in which the deflection of the central portion of the film 1 during loading is maintained for the guide member 9 in order to accommodate a long and wide film. Therefore, it is necessary to increase the width of the guide member 9 in the depth direction (film loading direction) and the width direction (film circumferential direction), which inevitably increases the size of the guide member 9. There was a problem.
また、フィルムフレーム１０にアダプタ８ａ，８ｂ、及びガイド部材９を別途取り付ける必要がある分、フィルム装填に時間がかかり、フィルム装填具のコストが嵩むという問題があった。 Further, since it is necessary to separately attach the adapters 8a and 8b and the guide member 9 to the film frame 10, it takes time to load the film, and there is a problem that the cost of the film loading tool increases.
本発明の目的は、フィルム着脱時にフィルム装填部においてフィルムフレームにフィルムガイド部材やアダプタ等を別途取り付けることなく、フィルムが装填可能なフィルム装填具、フィルム装填方法ならびに画像形成装置を提供することにある。 An object of the present invention is to provide a film loading tool , a film loading method, and an image forming apparatus capable of loading a film without separately attaching a film guide member, an adapter, or the like to the film frame in the film loading section when the film is attached or detached. .
上記目的を達成するため本発明の第１の手段は、フィルム装填具において、
無端状フィルムを装填するフィルムフレームに設けられたパイプ状部材保持部に片側端部が保持される２本のパイプ状部材と、
その２本のパイプ状部材の間に掛け渡されて、前記フィルムフレームから突設されたフィルムガイド部材保持部に片側端部を掛けて保持されるフィルムガイド部材を備え、
前記パイプ状部材ならびに前記フィルムガイド部材の片側端部を前記パイプ状部材保持部ならびにフィルムガイド部材保持部にそれぞれ保持することにより、前記パイプ状部材と前記フィルムガイド部材保持部の間で前記フィルムガイド部材をテ―パ状の山形に突出させ、そのフィルムガイド部材の突出状態で前記パイプ状部材とフィルムガイド部材を通して前記無端状フィルムを前記フィルムフレーム側に移動して装填する構成になっていることを特徴とするものである。
本発明の第２の手段は前記第１の手段において、
前記パイプ状部材が紙筒で構成されていることを特徴とするものである。
本発明の第３の手段は前記第１の手段において、
前記無端状フィルムが感光体フィルム、転写フィルム、搬送フィルム、定着フィルムのグループから選択されたフィルムであることを特徴とするものである。
本発明の第４の手段は前記第１の手段において、
前記パイプ状部材の片側端部が、前記パイプ状部材保持部に設けられた溝に挿入・固定されることを特徴とするものである。
本発明の第５の手段は前記第４の手段において、
前記パイプ状部材の外径Ｄ１が前記溝の外径Ｄ２に対して中間ばめの寸法関係にあって、かつ、前記パイプ状部材の内径Ｄ３が前記溝の内径Ｄ４に対して、溝の入口ではすきまばめ、溝の最深部ではしまりばめの寸法関係にあることを特徴とするものである。
本発明の第６の手段は前記第１の手段において、
前記パイプ状部材ならびにフィルムガイド部材が前記無端状フィルムの梱包材料で構成されることを特徴とするものである。
本発明の第７の手段は前記第１の手段において、
前記パイプ状部材とフィルムガイド部材は貼付・接着等で一体になっていることを特徴とするものである。
本発明の第８の手段はフィルムの装填方法において、
２本の支持ローラを回転可能に保持したフィルムフレームを画像形成装置の本体から引き出す工程と、
２本のパイプ状部材の片側端部を前記フィルムフレームに設けられたパイプ状部材保持部に保持するとともに、前記パイプ状部材の間に掛け渡されたフィルムガイド部材の片側端部を前記フィルムフレームに突設されたフィルムガイド部材保持部に掛けて保持することにより、前記パイプ状部材とフィルムガイド部材保持部の間で前記フィルムガイド部材をテ―パ状の山形に突出させる工程と、
そのフィルムガイド部材が山形に突出した状態で、無端状フィルムを前記パイプ状部材とフィルムガイド部材を通して前記フィルムフレーム側に移動して装填する工程を
備えていることを特徴とするものである。
本発明の第９の手段は前記第８の手段において、
前記無端状フィルムを前記パイプ状部材とフィルムガイド部材に掛けた状態で、前記パイプ状部材ならびにフィルムガイド部材を前記フィルムフレームに保持することを特徴とするものである。
本発明の第１０の手段は前記第８の手段において、
前記無端状フィルムが感光体フィルム、転写フィルム、搬送フィルム、定着フィルムのグループから選択されたフィルムであることを特徴とするものである。
本発明の第１１の手段は画像形成装置において、
無端状フィルムを支持する支持ローラと、
その支持ローラを回転可能に保持するとともに、画像形成装置の本体から引き出すことが可能なフィルムフレームを備え、
そのフィルムフレームに、
２本のパイプ状部材の片側端部を保持するパイプ状部材保持部を設けるとともに、
前記２本のパイプ状部材の間に掛け渡されるフィルムガイド部材の片側端部を保持するフィルムガイド部材保持部を突設して、
前記２本のパイプ状部材の片側端部を前記パイプ状部材保持部に保持し、前記フィルムガイド部材の片側端部を前記フィルムガイド部材保持部に掛けて保持することにより、前記フィルムガイド部材を前記パイプ状部材と前記フィルムガイド部材保持部の間でテ―パ状の山形に突出させて、そのフィルムガイド部材の突出状態で前記パイプ状部材とフィルムガイド部材を通して前記無端状フィルムを前記フィルムフレーム側に移動して装填する構成になっていることを特徴とするものである。
本発明の第１２の手段は前記第１１の手段において、
前記無端状フィルムが感光体フィルム、転写フィルム、搬送フィルム、定着フィルムのグループから選択されたフィルムであることを特徴とするものである。
本発明の第１３の手段は前記第１１の手段において、
前記パイプ状部材保持部に前記パイプ状部材の片側端部を挿入・固定する溝が設けられていることを特徴とするものである。
本発明の第１４の手段は前記第１３の手段において、
前記溝の外径Ｄ２が前記パイプ状部材の外径Ｄ１に対して中間ばめの寸法関係にあって、かつ、前記溝の内径Ｄ４が前記パイプ状部材の内径Ｄ３に対して、溝の入口ではすきまばめ、溝の最深部ではしまりばめの寸法関係にあり、
前記パイプ状部材保持部により前記パイプ状部材をほぼ水平に保持する構成になっていることを特徴とするものである。
本発明の第１５の手段は前記第１１の手段において、
前記無端状フィルムの周長が２ｍ以上で、当該フィルムの装填方向の長さが６０ｃｍ以上であることを特徴とするものである。
In order to achieve the above object, a first means of the present invention is a film loading device,
Two pipe-like members whose one end is held by a pipe-like member holding portion provided in a film frame for loading an endless film ;
A film guide member that is stretched between the two pipe-shaped members and is held by hanging a one-side end portion on the film guide member holding portion protruding from the film frame ,
By holding each one side end portion of the pipe-shaped member and said film guide member to the pipe-shaped member holding portion and the film guide member holding portion, said film guide between the said pipe-like member film guide member holding portion The member is projected into a taper-shaped chevron, and the endless film is moved and loaded to the film frame side through the pipe-shaped member and the film guide member in the projecting state of the film guide member. It is characterized by.
According to a second means of the present invention, in the first means,
The pipe-like member is formed of a paper tube.
According to a third means of the present invention, in the first means,
The endless film is a film selected from the group consisting of a photoreceptor film, a transfer film, a transport film, and a fixing film.
According to a fourth means of the present invention, in the first means,
One end of the pipe-shaped member is inserted into and fixed to a groove provided in the pipe-shaped member holding portion .
According to a fifth means of the present invention, in the fourth means,
The outer diameter D1 of the pipe-shaped member is in a dimensional relation with the outer diameter D2 of the groove, and the inner diameter D3 of the pipe-shaped member is the inlet of the groove with respect to the inner diameter D4 of the groove. Then, there is a dimensional relationship between the clearance fit and the interference fit at the deepest portion of the groove .
According to a sixth means of the present invention, in the first means ,
The pipe-shaped member and the film guide member are made of a packing material for the endless film .
According to a seventh means of the present invention, in the first means,
The pipe-shaped member and the film guide member are integrated with each other by sticking / bonding or the like .
The eighth means of the present invention is a method for loading a film ,
Pulling out a film frame holding two support rollers rotatably from the main body of the image forming apparatus;
One end of two pipe-like members is held by a pipe-like member holding portion provided in the film frame, and one end of a film guide member spanned between the pipe-like members is held in the film frame A step of projecting the film guide member into a taper-shaped chevron between the pipe-shaped member and the film guide member holding portion by holding the film guide member holding portion projecting on
A step of moving and loading an endless film to the film frame side through the pipe-shaped member and the film guide member with the film guide member protruding in a mountain shape;
It is characterized by having.
According to a ninth means of the present invention, in the eighth means,
The pipe-shaped member and the film guide member are held on the film frame in a state where the endless film is hung on the pipe-shaped member and the film guide member.
According to a tenth means of the present invention, in the eighth means,
The endless film is a film selected from the group consisting of a photoreceptor film, a transfer film, a transport film, and a fixing film.
An eleventh means of the present invention is an image forming apparatus,
A support roller for supporting the endless film;
The support roller is rotatably held and has a film frame that can be pulled out from the main body of the image forming apparatus.
In the film frame,
While providing a pipe-shaped member holding portion for holding one end of two pipe-shaped members,
Projecting a film guide member holding portion for holding one end of the film guide member spanned between the two pipe-shaped members;
The one end of the two pipe-shaped members is held by the pipe-shaped member holding portion, and the one end of the film guide member is held on the film guide member holding portion to hold the film guide member. A taper-like chevron is projected between the pipe-shaped member and the film guide member holding portion, and the endless film is passed through the pipe-shaped member and the film guide member in the projected state of the film guide member. It is the structure which moves to the side and is loaded.
The twelfth means of the present invention is the eleventh means,
The endless film is a film selected from the group consisting of a photoreceptor film, a transfer film, a transport film, and a fixing film.
The thirteenth means of the present invention is the eleventh means,
The pipe-shaped member holding portion is provided with a groove for inserting and fixing one end portion of the pipe-shaped member.
The fourteenth means of the present invention is the thirteenth means,
The outer diameter D2 of the groove is in an intermediate fit dimension with respect to the outer diameter D1 of the pipe member, and the inner diameter D4 of the groove is the inlet of the groove with respect to the inner diameter D3 of the pipe member. In the clearance fit, the deepest part of the groove is related to the size of the fit.
The pipe-shaped member holding portion is configured to hold the pipe-shaped member substantially horizontally.
According to a fifteenth means of the present invention, in the eleventh means,
The peripheral length of the endless film is 2 m or more, and the length in the loading direction of the film is 60 cm or more.
本発明によれば、フィルムフレームにフィルムガイド部材やアダプタ等を別途取り付けることなく、フィルムの装填が可能となるため、フィルム装填時間の短縮、フィルム装填具のコスト低減が可能となる。 According to the present invention, since it is possible to load a film without separately attaching a film guide member, an adapter, or the like to the film frame, it is possible to reduce the film loading time and the cost of the film loading tool.
以下、本発明の実施例について説明する。図１は本発明の実施例に係るフィルム装填具の斜視図、図２はそのフィルム装填具の縦断面図である。 Examples of the present invention will be described below. FIG. 1 is a perspective view of a film loading device according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of the film loading device.
これらの図において、１はフィルム、２ａ，２ｂはパイプ、３はガイドシート、４はフィルムフレーム、５ａ，５ｂは支持ローラ、６ａ、６ｂはフランジである。 In these drawings, 1 is a film, 2a and 2b are pipes, 3 is a guide sheet, 4 is a film frame, 5a and 5b are support rollers, and 6a and 6b are flanges.
このフランジ６ａ、６ｂは、フィルムフレーム４に支持ローラ５ａ，５ｂを回転可能に取り付けるための部材である。フィルムフレーム４には、ガイドシート３の片側端部を保持するための保持部７が設けられている。
The flanges 6a and 6b are members for rotatably attaching the
パイプ２ａ，２ｂとガイドシート３は、貼り付け、接着等による一体構造となっており、フィルム１の搬送や保管に使用する梱包部材であるため、パイプ２ａ，２ｂの材質の一例としては紙筒、ガイドシート３の材質の一例としてはプラスチックシートが挙げられる。
Since the pipes 2a and 2b and the
フィルム１を装填する際は、フィルムフレーム４を図示しない画像形成装置の本体から引き出した後、フィルム１を掛けた状態のパイプ２ａ，２ｂとガイドシート３の一体部材について、先ずガイドシート３の片側端部をフィルムフレーム４に設けられた保持部７に掛けて保持し、続いてパイプ２ａ，２ｂをフランジ６ａ、６ｂに挿入する。
When the film 1 is loaded, after the film frame 4 is pulled out from the main body of the image forming apparatus (not shown), the pipes 2a and 2b and the
フランジ６ａ、６ｂにはパイプ２ａ，２ｂを挿入するための溝を設けており、図２に示すように、パイプ２ａ，２ｂの外径Ｄ１と溝の外径Ｄ２を中間ばめの寸法関係とし、パイプ２ａ，２ｂの内径Ｄ３と溝の内径Ｄ４については、溝の入口ではすきまばめ、溝の最深部ではしまりばめの寸法関係とすることで、パイプ２ａ，２ｂをほぼ水平に固定できるようにする。 The flanges 6a and 6b are provided with grooves for inserting the pipes 2a and 2b. As shown in FIG. 2, the outer diameter D1 of the pipes 2a and 2b and the outer diameter D2 of the grooves are dimensional relations of the intermediate fit. As for the inner diameter D3 of the pipes 2a and 2b and the inner diameter D4 of the groove, it is possible to fix the pipes 2a and 2b almost horizontally by setting the clearance fit at the inlet of the groove and the interference fit at the deepest portion of the groove. Like that.
これらの操作により、図２に示すようにフィルムフレーム４の保持部７からパイプ２ａ，２ｂの端部（フィルム装填方向とは逆方向の端部）に向ってガイドシート３によるテ―パが形成される。
By these operations, a taper is formed by the
このようにして形成されたガイドシート３のテ―パによってフィルム１の中央部を、パイプ２ａ，２ｂによりフィルム１の両端部を保持しつつ、フィルム１をフィルムフレーム４に向けて装填することにより、フィルムフレーム４にフィルムガイド部材やアダプタ等を別途取り付けることなく、フィルム１を装填することが可能となる。
By loading the film 1 toward the film frame 4 while holding the central portion of the film 1 by the taper of the
１：フィルム、２ａ，２ｂ：パイプ、３：ガイドシート、４：フィルムフレーム、５ａ，５ｂ：支持ローラ、６ａ、６ｂ：フランジ、７：保持部。 1: Film, 2a, 2b: Pipe, 3: Guide sheet, 4: Film frame, 5a, 5b: Support roller, 6a, 6b: Flange, 7: Holding part.
Claims (15)
その２本のパイプ状部材の間に掛け渡されて、前記フィルムフレームから突設されたフィルムガイド部材保持部に片側端部を掛けて保持されるフィルムガイド部材を備え、
前記パイプ状部材ならびに前記フィルムガイド部材の片側端部を前記パイプ状部材保持部ならびにフィルムガイド部材保持部にそれぞれ保持することにより、前記パイプ状部材と前記フィルムガイド部材保持部の間で前記フィルムガイド部材をテ―パ状の山形に突出させ、そのフィルムガイド部材の突出状態で前記パイプ状部材とフィルムガイド部材を通して前記無端状フィルムを前記フィルムフレーム側に移動して装填する構成になっていることを特徴とするフィルム装填具。 Two pipe-like members whose one end is held by a pipe-like member holding portion provided in a film frame for loading an endless film ;
A film guide member that is stretched between the two pipe-shaped members and is held by hanging a one-side end portion on the film guide member holding portion protruding from the film frame ,
By holding each one side end portion of the pipe-shaped member and said film guide member to the pipe-shaped member holding portion and the film guide member holding portion, said film guide between the said pipe-like member film guide member holding portion The member is projected into a taper-shaped chevron, and the endless film is moved and loaded to the film frame side through the pipe-shaped member and the film guide member in the projecting state of the film guide member. A film loading tool characterized by the above.
前記パイプ状部材が紙筒で構成されていることを特徴とするフィルム装填具。 The film loader of claim 1, wherein
A film loading tool, wherein the pipe-like member is formed of a paper tube.
前記無端状フィルムが感光体フィルム、転写フィルム、搬送フィルム、定着フィルムのグループから選択されたフィルムであることを特徴とするフィルム装填具。 The film loader of claim 1, wherein
The film loading device, wherein the endless film is a film selected from the group of a photoreceptor film, a transfer film, a transport film, and a fixing film.
前記パイプ状部材の片側端部が、前記パイプ状部材保持部に設けられた溝に挿入・固定されることを特徴とするフィルム装填具。 The film loader of claim 1, wherein
One end of the pipe-shaped member is inserted and fixed in a groove provided in the pipe-shaped member holding section .
前記パイプ状部材の外径Ｄ１が前記溝の外径Ｄ２に対して中間ばめの寸法関係にあって、かつ、前記パイプ状部材の内径Ｄ３が前記溝の内径Ｄ４に対して、溝の入口ではすきまばめ、溝の最深部ではしまりばめの寸法関係にあることを特徴とするフィルム装填具。 The film loading device according to claim 4.
The outer diameter D1 of the pipe-shaped member is in a dimensional relation with the outer diameter D2 of the groove, and the inner diameter D3 of the pipe-shaped member is the inlet of the groove with respect to the inner diameter D4 of the groove. A film loading tool characterized in that it has a dimensional relationship between a clearance fit and an interference fit at the deepest part of the groove .
前記パイプ状部材ならびにフィルムガイド部材が前記無端状フィルムの梱包材料で構成されることを特徴とするフィルム装填具。 The film loader of claim 1, wherein
The film loading device, wherein the pipe-shaped member and the film guide member are made of a packing material for the endless film .
前記パイプ状部材とフィルムガイド部材は貼付・接着等で一体になっていることを特徴とするフィルム装填具。 The film loader of claim 1, wherein
The film loading device, wherein the pipe-shaped member and the film guide member are integrated by pasting and bonding .
２本のパイプ状部材の片側端部を前記フィルムフレームに設けられたパイプ状部材保持部に保持するとともに、前記パイプ状部材の間に掛け渡されたフィルムガイド部材の片側端部を前記フィルムフレームに突設されたフィルムガイド部材保持部に掛けて保持することにより、前記パイプ状部材とフィルムガイド部材保持部の間で前記フィルムガイド部材をテ―パ状の山形に突出させる工程と、One end of two pipe-like members is held by a pipe-like member holding portion provided in the film frame, and one end of a film guide member spanned between the pipe-like members is held in the film frame A step of projecting the film guide member into a taper-shaped chevron between the pipe-shaped member and the film guide member holding portion by holding the film guide member holding portion projecting on
そのフィルムガイド部材が山形に突出した状態で、無端状フィルムを前記パイプ状部材とフィルムガイド部材を通して前記フィルムフレーム側に移動して装填する工程をA step of moving and loading an endless film to the film frame side through the pipe-shaped member and the film guide member with the film guide member protruding in a mountain shape;
備えていることを特徴とするフィルムの装填方法。A method for loading a film, comprising:
前記無端状フィルムを前記パイプ状部材とフィルムガイド部材に掛けた状態で、前記パイプ状部材ならびにフィルムガイド部材を前記フィルムフレームに保持することを特徴とするフィルムの装填方法。 The film loading method according to claim 8,
A film loading method comprising holding the pipe-shaped member and the film guide member on the film frame in a state where the endless film is hung on the pipe-shaped member and the film guide member .
前記無端状フィルムが感光体フィルム、転写フィルム、搬送フィルム、定着フィルムのグループから選択されたフィルムであることを特徴とするフィルムの装填方法。 The film loading method according to claim 8,
The film loading method, wherein the endless film is a film selected from the group consisting of a photoreceptor film, a transfer film, a transport film, and a fixing film .
その支持ローラを回転可能に保持するとともに、画像形成装置の本体から引き出すことが可能なフィルムフレームを備え、
そのフィルムフレームに、
２本のパイプ状部材の片側端部を保持するパイプ状部材保持部を設けるとともに、
前記２本のパイプ状部材の間に掛け渡されるフィルムガイド部材の片側端部を保持するフィルムガイド部材保持部を突設して、
前記２本のパイプ状部材の片側端部を前記パイプ状部材保持部に保持し、前記フィルムガイド部材の片側端部を前記フィルムガイド部材保持部に掛けて保持することにより、前記フィルムガイド部材を前記パイプ状部材と前記フィルムガイド部材保持部の間でテ―パ状の山形に突出させて、そのフィルムガイド部材の突出状態で前記パイプ状部材とフィルムガイド部材を通して前記無端状フィルムを前記フィルムフレーム側に移動して装填する構成になっていることを特徴とする画像形成装置。 A support roller for supporting the endless film;
The support roller is rotatably held and has a film frame that can be pulled out from the main body of the image forming apparatus.
In the film frame,
While providing a pipe-shaped member holding portion for holding one end of two pipe-shaped members,
Projecting a film guide member holding portion for holding one end of the film guide member spanned between the two pipe-shaped members;
The one end of the two pipe-shaped members is held by the pipe-shaped member holding portion, and the one end of the film guide member is held on the film guide member holding portion to hold the film guide member. A taper-like chevron is projected between the pipe-shaped member and the film guide member holding portion, and the endless film is passed through the pipe-shaped member and the film guide member in the projected state of the film guide member. An image forming apparatus, wherein the image forming apparatus is configured to be moved and loaded .
前記無端状フィルムが感光体フィルム、転写フィルム、搬送フィルム、定着フィルムのグループから選択されたフィルムであることを特徴とする画像形成装置。 The image forming apparatus according to claim 11.
The image forming apparatus, wherein the endless film is a film selected from the group consisting of a photoreceptor film, a transfer film, a transport film, and a fixing film .
前記パイプ状部材保持部に前記パイプ状部材の片側端部を挿入・固定する溝が設けられていることを特徴とする画像形成装置。 The image forming apparatus according to claim 11.
An image forming apparatus, wherein the pipe-shaped member holding portion is provided with a groove for inserting and fixing one end portion of the pipe-shaped member .
前記溝の外径Ｄ２が前記パイプ状部材の外径Ｄ１に対して中間ばめの寸法関係にあって、かつ、前記溝の内径Ｄ４が前記パイプ状部材の内径Ｄ３に対して、溝の入口ではすきまばめ、溝の最深部ではしまりばめの寸法関係にあり、
前記パイプ状部材保持部により前記パイプ状部材をほぼ水平に保持する構成になっていることを特徴とする画像形成装置。 The image forming apparatus according to claim 13.
The outer diameter D2 of the groove is in an intermediate fit dimension with respect to the outer diameter D1 of the pipe member, and the inner diameter D4 of the groove is the inlet of the groove with respect to the inner diameter D3 of the pipe member. In the clearance fit, the deepest part of the groove is related to the size of the fit.
An image forming apparatus, wherein the pipe-shaped member holding portion holds the pipe-shaped member substantially horizontally .
前記無端状フィルムの周長が２ｍ以上で、当該フィルムの装填方向の長さが６０ｃｍ以上であることを特徴とする画像形成装置。 The image forming apparatus according to claim 11.
An image forming apparatus, wherein the endless film has a peripheral length of 2 m or more and a length in the loading direction of the film is 60 cm or more .
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