JP4442850B2 - Image forming apparatus, image forming apparatus main body mounting structure and mounting method on mounting table - Google Patents

Image forming apparatus, image forming apparatus main body mounting structure and mounting method on mounting table Download PDF

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JP4442850B2
JP4442850B2 JP2001132742A JP2001132742A JP4442850B2 JP 4442850 B2 JP4442850 B2 JP 4442850B2 JP 2001132742 A JP2001132742 A JP 2001132742A JP 2001132742 A JP2001132742 A JP 2001132742A JP 4442850 B2 JP4442850 B2 JP 4442850B2
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image forming
forming apparatus
main body
apparatus main
mounting table
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JP2002326424A (en
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寿行 前
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Ricoh Co Ltd
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Ricoh Co Ltd
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Description

【０００１】
【発明の属する技術分野】
この発明は、複写機・プリンタ・ファクシミリ、またはそれらの複合機などの画像形成装置に適用することができる。詳しくは、そのような画像形成装置の中で、給紙バンク・テーブル等の載置台上に画像形成装置本体を載置して設置するタイプの画像形成装置に関する。ならびに、そのような画像形成装置における、載置台上への画像形成装置本体載置構造および載置方法に関する。
【０００２】
【従来の技術】
複写機等の画像形成装置には、通常、オプション装置として、給紙バンク・テーブル等の載置台を備える。そして、ユーザーの希望により、そのような載置台上に、シートに画像を記録する、複写機装置本体等の画像形成装置本体を載置して設置する。
【０００３】
ところで、このように載置台を増設するときは、従来、載置台上に画像形成装置本体を載置して後、ねじ等の締結部材で締結して画像形成装置本体を載置台と一体化するのが一般的である。
【０００４】
【発明が解決しようとする課題】
しかし、従来、そのような増設をユーザーが行うとき、締結部材による締結を忘れたり怠ったりすることが時々あった。このような場合、比較的小さな外力でも、載置台と分離して画像形成装置本体のみが傾き、載置台上から落下するおそれがあった。
【０００５】
そこで、この発明の第１の目的は、画像形成装置において、画像形成装置本体を載置台上に載置して使用するとき、締結部材による締結を行わなくても、外力により画像形成装置本体が傾いて載置台上から落下するおそれを少なくすることにある。
【０００６】
第２の目的は、そのような画像形成装置において、画像形成装置本体を載置台上に載置するとき、互いに係合する部材を強固に支持して載置台上からの画像形成装置本体の落下を確実に防止することにある。
【０００７】
第３の目的は、互いに係合する部材を係止して、載置台上からの画像形成装置本体の落下を確実に防止することにある。
【０００８】
第４の目的は、互いに係合する部材を一層確かに係止し、外れることなく掛け止めして、載置台上からの画像形成装置本体の落下をさらに確実に防止することにある。
【０００９】
第５の目的は、画像形成装置本体を載置台上に載置して使用するとき、締結部材による締結を行わなくても、外力により画像形成装置本体が傾いて載置台上から落下するおそれを少なくする、載置台上への画像形成装置本体載置構造を提供することにある。
【００１０】
第６の目的は、画像形成装置本体を載置台上に載置して使用するとき、締結部材による締結を行わなくても、外力により画像形成装置本体が傾いて載置台上から落下するおそれを少なくする、載置台上への画像形成装置本体載置方法を提供することにある。
【００１１】
【課題を解決するための手段】
そのため、請求項１に係る発明は、上記第１、３の目的を達成すべく、画像形成装置本体と載置台の一方に筒部を設けるとともに、他方に、載置台上に画像形成装置本体を載置するとき筒部に入り込む軸状部材を設け、
その軸状部材には周方向の係止溝を形成し、
１つの軸状部材から最も遠い足端を中心として前記画像形成装置本体が傾いたとき、前記筒部の先端が当該軸状部材の前記係止溝に係合する緩さで、当該軸状部材を前記筒部内に入れてなる、ことを特徴とする画像形成装置を提供する。
【００１２】
請求項２に係る発明は、上記第２の目的を達成すべく、請求項１に記載の画像形成装置において、画像形成装置本体の底板と載置台の上ステーの一方に筒部を、他方に軸状部材を設けてなる、ことを特徴とする。
【００１４】
請求項３に係る発明は、上記第４の目的を達成すべく、請求項１に記載の画像形成装置において、係止溝を軸方向に複数形成してなる、ことを特徴とする。
【００１５】
請求項４に係る発明は、上記第５の目的を達成すべく、画像形成装置本体と載置台の一方に筒部を設けるとともに、他方に、載置台上に画像形成装置本体を載置するとき筒部に入り込む軸状部材を設け、
その軸状部材には周方向の係止溝を形成し、
１つの軸状部材から最も遠い足端を中心として前記画像形成装置本体が傾いたとき、前記筒部の先端が当該軸状部材の前記係止溝に係合する緩さで、当該軸状部材を前記筒部内に入れてなる、ことを特徴とする載置台上への画像形成装置本体載置構造を提供する。
【００１６】
請求項５に係る発明は、上記第６の目的を達成すべく、載置台上に画像形成装置本体を載置するとき、一方に設ける軸状部材を、他方に設ける筒部に挿入し、
１つの軸状部材から最も遠い足端を中心として前記画像形成装置本体が傾いたとき、前記筒部の先端が、当該軸状部材に形成した周方向の係止溝に係合する緩さで、当該軸状部材を前記筒部内に入れてなる、ことを特徴とする載置台上への画像形成装置本体載置方法を提供する。
【００１７】
【発明の実施の形態】
以下、図面を参照しつつ、この発明の実施の形態につき説明する。
図１には、この発明による複写機（画像形成装置）の外観を概略的に示す。図中符号１０は、給紙バンク（載置台）２０の上に載置する複写機装置本体（画像形成装置本体）である。
【００１８】
複写機装置本体１０は、剛性を保持すべく、内部に構造体を備える。図示省略するが、構造体は、底板と、その上に立てて対向して備える前後の側板と、それらの側板間を連結する連結部材などからなる。
【００１９】
図２には、複写機装置本体１０の構造体を構成する底板の一部を示す。図示底板１２は、カーリングして外周に縁巻き１３を設ける。これにより、強度を増すとともに、ユーザーが複写機装置本体１０の下から手を差し込んだとき怪我をしないようにする。また、底板１２には、図示省略するが、絞り加工で下向きの突部を複数形成してそこにそれぞれゴム足を取り付けてなる。
【００２０】
さらに、底板１２には、ゴム足取付位置とは異なる位置に複数の孔１４をあける。図２では、そのうちの１の孔１４のみを示すが、図示例では孔１４を３つあけてなる。そして、その孔１４に連通してそれぞれ底板１２上にフランジ付きの円筒部材１５を載せ、不図示の固定ねじでねじ止めして、複写機装置本体１０にそれぞれ上向きの筒部１６を形成する。この筒部１６の内径をＤとする。
【００２１】
一方、給紙バンク２０も、複写機装置本体１０と同様に、剛性を保持すべく、内部に構造体を備える。図３には、給紙バンク２０に備える構造体の概略構成を示す。この図３から判るとおり、構造体は、底板２３と、その上に立てて備える側板２４・２５・２６と、それらの側板間を連結する上ステー２７・２８などからなり、複数の組付けねじ２９を用いて組み付ける。
【００２２】
上ステー２７・２８上には、かしめやねじ止めで取り付けて外径ｄのピン（軸状部材）３０を立てる。このピン３０は、複写機装置本体１０の底板１２に設けた孔１４と対応する位置に設ける。図４には、前上ステー２７に対する１のピン３０の取り付け状態を示す。この図４から判るとおり、ピン３０には、円周方向の係止溝３１を軸方向に２つ設ける。
【００２３】
そして、給紙バンク２０上に複写機装置本体１０を載置するときは、孔１４とピン３０位置を合わせて給紙バンク２０上に真上から複写機装置本体１０を置く。すると、図５に示すように、ピン３０は、孔１４を貫通して円筒部材１５内に緩く入る。そして、複写機装置本体１０の複数のゴム足を上ステー２７・２８上に載せ、詳しくは説明を省略する位置決め手段を適宜係合し、正確に位置決めして設置する。
【００２４】
さて、図示複写機は、この状態で使用するが、例えば図６に示すように、いまこの複写機装置本体１０に外力Ｆが作用し、複写機装置本体１０が角度θ傾いたとする。すると、図７に示すように、底板１２が持ち上がり、円筒部材１５の先端がピン３０に当たってやがてその係止溝３１に係合し、外力Ｆが給紙バンク２０を持ち上げるほどの大きな力でない限りそれ以上の複写機装置本体１０の傾きは阻止される。
【００２５】
ここで、図８に示すように、１のピン３０とそれから最も遠いゴム足３２端との間隔をＸとし、上ステー２７・２８上面から係止溝３１までの高さをｈとすると、
［Ｘ＋（Ｄ／２）］２−ｈ２≦［Ｘ＋（ｄ／２）］２
とすると、ピン３０を係止溝３１に確実に掛け止めることができる。
【００２６】
これを整理すると、
Ｘ２＋ＸＤ＋Ｄ２／４−ｈ２≦Ｘ２＋Ｘｄ＋ｄ２／４
（Ｄ−ｄ）Ｘ＋（Ｄ２−ｄ２）／４≦ｈ２………………▲１▼
となる。
【００２７】
また、
ｄ＜Ｄ………………………………………………▲２▼
である。
【００２８】
よって、Ｄ、ｄ、ｈ、Ｘの関係を、上記▲１▼および▲２▼式のようにすると、ピン３０を係止溝３１に確実に掛け止めることができる。
【００２９】
これにより、複写機装置本体１０を給紙バンク２０上に載置して使用するとき、締結部材による締結を行わなくても、ピン３０を筒部１６に入れてそれらを係合し、外力により複写機装置本体１０が傾いて給紙バンク２０上から落下するおそれを少なくすることができる。
【００３０】
図示複写機によれば、複写機装置本体１０および給紙バンク２０内で筒部１６およびピン３０を、それぞれ剛性の高い底板１２および上ステー２７・２８により強固に支持するから、それら筒部１６とピン３０との係合により複写機装置本体１０の一定以上の傾きを防止して複写機装置本体１０が給紙バンク２０上から落下することを確実に防止することができる。
【００３１】
加えて、図示例では、ピン３０に係止溝３１を形成するから、その係止溝に筒部１６を係止して給紙バンク２０上からの複写機装置本体１０の落下を一層確実に防止することができる。このとき、係止溝３１を軸方向に複数形成しておくと、はじめの係止溝３１で掛け止め損なったときにも、次の係止溝３１で掛け止めすることができることとなり、係止溝３１に筒部１６をより確かに係止することができる。
【００３２】
なお、上述した例では、画像形成装置本体１０側に筒部１６を、給紙バンク２０側に軸状部材であるピン３０を設けた。しかし、軸状部材がゴム足より下方に突出するようなことがなければ、画像形成装置本体１０側に軸状部材を、給紙バンク・テーブル等の載置台側に筒部を設けるようにしてもよい。
【００３３】
【発明の効果】
以上説明したとおり、この発明によれば、画像形成装置本体と載置台の一方に筒部を設けるとともに、他方に、載置台上に画像形成装置本体を載置するとき筒部に入り込む軸状部材を設けるから、画像形成装置本体を載置台上に載置して使用するとき、軸状部材を筒部に入れてそれらを係合し、締結部材による締結を行わなくても、外力により画像形成装置本体が傾いて載置台上から落下するおそれを少なくすることができる。
【００３４】
請求項２に係る発明によれば、画像形成装置本体の底板と載置台の上ステーの一方に筒部を、他方に軸状部材を設けるから、筒部および軸状部材を、それぞれ剛性の高い底板および上ステーにより強固に支持して、それら筒部と軸状部材との係合により画像形成装置本体の一定以上の傾きを防止して画像形成装置本体が載置台上から落下することをしっかりと確実に防止することができる。
【００３５】
請求項１に係る発明によれば、また、軸状部材に係止溝を形成するから、その係止溝に筒部を係止して載置台上からの画像形成装置本体の落下を一層確実に防止することができる。
【００３６】
請求項３に係る発明によれば、係止溝を軸方向に複数形成するから、はじめの係止溝で掛け止め損なったときにも、次の係止溝で掛け止めすることができることとなり、係止溝に筒部をより確かに係止することができる。
【００３７】
請求項４に係る発明によれば、載置台上への画像形成装置本体載置構造において、画像形成装置本体と載置台の一方に筒部を設けるとともに、他方に、載置台上に画像形成装置本体を載置するとき筒部に入り込む軸状部材を設けるから、画像形成装置本体を載置台上に載置して使用するとき、軸状部材を筒部に入れてそれらを係合し、締結部材による締結を行わなくても、外力により画像形成装置本体が傾いて載置台上から落下するおそれを少なくすることができる。また、軸状部材に周方向の係止溝を形成し、１つの軸状部材から最も遠い足端を中心として画像形成装置本体が傾いたとき、筒部の先端が当該軸状部材の係止溝に係合する緩さで、当該軸状部材を筒部内に入れるから、その係止溝に筒部を係止して載置台上からの画像形成装置本体の落下を一層確実に防止することができる。
【００３８】
請求項５に係る発明によれば、載置台上への画像形成装置本体載置方法において、載置台上に画像形成装置本体を載置するとき、一方に設ける軸状部材を、他方に設ける筒部に挿入するから、同様に、画像形成装置本体を載置台上に載置して使用するとき、軸状部材を筒部に入れてそれらを係合し、締結部材による締結を行わなくても、外力により画像形成装置本体が傾いて載置台上から落下するおそれを少なくすることができる。また、１つの軸状部材から最も遠い足端を中心として画像形成装置本体が傾いたとき、筒部の先端が、当該軸状部材に形成した周方向の係止溝に係合する緩さで、当該軸状部材を筒部内に入れるから、その係止溝に筒部を係止して載置台上からの画像形成装置本体の落下を一層確実に防止することができる。
【図面の簡単な説明】
【図１】この発明による複写機の概略外観図である。
【図２】その複写機装置本体の構造体を構成する底板の部分斜視図である。
【図３】その複写機の給紙バンクに備える構造体の概略構成を示す斜視図である。
【図４】前上ステーに対する１のピンの取り付け状態を示す斜視図である。
【図５】筒部とピンとの係合状態を示す断面図である。
【図６】給紙バンク上の複写機装置本体に外力Ｆが作用したときの説明図である。
【図７】複写機装置本体に外力Ｆが作用したとき、ピンの係止溝に筒部が係止したときの状態説明図である。
【図８】そのときの寸法関係を示す図である。
【符号の説明】
１０ 複写機装置本体（画像形成装置本体）
１２ 底板
１４ 孔
１５ 円筒部材
１６ 筒部
２０ 給紙バンク（載置台）
２７ 前上ステー
２８ 後上ステー
３０ ピン（軸状部材）
３１ 係止溝
３２ ゴム足[0001]
BACKGROUND OF THE INVENTION
The present invention can be applied to an image forming apparatus such as a copying machine, a printer, a facsimile, or a complex machine thereof. More specifically, the present invention relates to an image forming apparatus of such a type in which an image forming apparatus main body is mounted on a mounting table such as a paper feed bank / table. In addition, the present invention relates to an image forming apparatus main body mounting structure and a mounting method on a mounting table in such an image forming apparatus.
[0002]
[Prior art]
An image forming apparatus such as a copying machine is usually provided with a mounting table such as a paper feed bank / table as an optional device. Then, according to the user's request, an image forming apparatus main body such as a copying machine main body that records an image on a sheet is placed and placed on such a mounting table.
[0003]
By the way, when mounting the mounting table in this way, conventionally, after the image forming apparatus main body is mounted on the mounting table, the image forming apparatus main body is integrated with the mounting table by fastening with a fastening member such as a screw. It is common.
[0004]
[Problems to be solved by the invention]
However, conventionally, when the user performs such an expansion, sometimes the user forgets or neglects the fastening by the fastening member. In such a case, even with a relatively small external force, there is a possibility that only the image forming apparatus main body tilts and falls from the mounting table even when separated from the mounting table.
[0005]
SUMMARY OF THE INVENTION Accordingly, a first object of the present invention is to provide an image forming apparatus main body that can be used by an external force when the image forming apparatus main body is placed on a mounting table and used without being fastened by a fastening member. It is to reduce the possibility of falling from the mounting table by tilting.
[0006]
The second object is to drop the image forming apparatus main body from the mounting table by firmly supporting the members engaged with each other when the image forming apparatus main body is mounted on the mounting table in such an image forming apparatus. It is to surely prevent.
[0007]
A third object is to securely prevent the image forming apparatus main body from dropping from the mounting table by locking members that engage with each other.
[0008]
The fourth object is to more reliably prevent the image forming apparatus main body from dropping from the mounting table by more securely locking the members that engage with each other and latching the members without coming off.
[0009]
A fifth object is that when the image forming apparatus main body is placed on the mounting table and used, there is a possibility that the image forming apparatus main body may be tilted and fall off from the mounting table by external force without performing fastening by a fastening member. An object of the present invention is to provide an image forming apparatus main body mounting structure on a mounting table that is reduced.
[0010]
According to a sixth object, when the image forming apparatus main body is mounted on the mounting table and used, there is a risk that the image forming apparatus main body may be inclined and fall off from the mounting table by an external force without performing fastening by a fastening member. An object of the present invention is to provide an image forming apparatus main body mounting method on a mounting table that is reduced.
[0011]
[Means for Solving the Problems]
Therefore, in order to achieve the first and third objects , the invention according to claim 1 is provided with a cylindrical portion on one of the image forming apparatus main body and the mounting table, and on the other hand, the image forming apparatus main body on the mounting table. Provide a shaft-like member that enters the cylindrical part when placed ,
The axial member is formed with a circumferential locking groove,
When the image forming apparatus main body is tilted about the foot end furthest from one shaft-like member, the shaft-like member is loosened so that the tip of the cylindrical portion engages with the locking groove of the shaft-like member. An image forming apparatus is provided, wherein the image forming apparatus is provided in the cylindrical portion.
[0012]
According to a second aspect of the present invention, in order to achieve the second object, in the image forming apparatus according to the first aspect, a cylindrical portion is provided on one of the bottom plate of the main body of the image forming apparatus and the upper stay of the mounting table, and the other is provided on the other. A shaft-shaped member is provided.
[0014]
The invention according to claim 3 is characterized in that, in order to achieve the fourth object, in the image forming apparatus according to claim 1 , a plurality of locking grooves are formed in the axial direction.
[0015]
According to a fourth aspect of the present invention, in order to achieve the fifth object, when the cylindrical portion is provided on one of the image forming apparatus main body and the mounting table, and on the other side, the image forming apparatus main body is mounted on the mounting table. Provide a shaft-like member that enters the tube ,
The axial member is formed with a circumferential locking groove,
When the image forming apparatus main body is tilted about the foot end furthest from one shaft-like member, the shaft-like member is loosened so that the tip of the cylindrical portion engages with the locking groove of the shaft-like member. becomes placed in the cylindrical portion, and to provide an image forming apparatus main body mounting structure onto the mounting table, characterized in that.
[0016]
In order to achieve the sixth object, when the image forming apparatus main body is mounted on the mounting table, the invention according to claim 5 inserts the shaft-like member provided on one side into the cylindrical portion provided on the other side ,
When the image forming apparatus main body is tilted around the foot end farthest from one shaft-like member, the end of the cylindrical portion is loose enough to engage with a circumferential locking groove formed in the shaft-like member. An image forming apparatus main body mounting method on a mounting table is provided , wherein the shaft-shaped member is placed in the cylindrical portion.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 schematically shows the appearance of a copying machine (image forming apparatus) according to the present invention. Reference numeral 10 in the figure denotes a copying machine main body (image forming apparatus main body) placed on a paper supply bank (mounting table) 20.
[0018]
The copying machine main body 10 includes a structure inside to maintain rigidity. Although not shown in the drawings, the structure includes a bottom plate, front and rear side plates provided on and opposed to the bottom plate, a connecting member for connecting the side plates, and the like.
[0019]
FIG. 2 shows a part of the bottom plate constituting the structure of the copying machine main body 10. The illustrated bottom plate 12 is curled and provided with an edge winding 13 on the outer periphery. This increases the strength and prevents injury when the user inserts his hand from below the copying machine main body 10. Although not shown, the bottom plate 12 is formed by drawing a plurality of downward projections and attaching rubber feet thereto.
[0020]
Further, a plurality of holes 14 are formed in the bottom plate 12 at positions different from the rubber foot attachment positions. In FIG. 2, only one of the holes 14 is shown, but three holes 14 are formed in the illustrated example. Then, a cylindrical member 15 with a flange is placed on the bottom plate 12 so as to communicate with the holes 14 and screwed with a fixing screw (not shown) to form an upward cylindrical portion 16 in the copying machine main body 10. Let D be the inner diameter of the cylindrical portion 16.
[0021]
On the other hand, similarly to the copying machine main body 10, the paper supply bank 20 also has a structure inside to maintain rigidity. FIG. 3 shows a schematic configuration of a structure provided in the paper supply bank 20. As can be seen from FIG. 3, the structure includes a bottom plate 23, side plates 24, 25, and 26 provided upright thereon, upper stays 27 and 28 that connect the side plates, and a plurality of assembly screws. Assemble using 29.
[0022]
On the upper stays 27 and 28, a pin (shaft-shaped member) 30 having an outer diameter d is set up by caulking or screwing. The pin 30 is provided at a position corresponding to the hole 14 provided in the bottom plate 12 of the copying machine main body 10. FIG. 4 shows a state in which one pin 30 is attached to the front upper stay 27. As can be seen from FIG. 4, the pin 30 is provided with two circumferential locking grooves 31 in the axial direction.
[0023]
When the copying machine main body 10 is placed on the paper supply bank 20, the copying machine main body 10 is placed on the paper supply bank 20 from directly above with the holes 14 and the pins 30 aligned. Then, as shown in FIG. 5, the pin 30 penetrates the hole 14 and enters the cylindrical member 15 loosely. Then, a plurality of rubber feet of the copying machine main body 10 are placed on the upper stays 27 and 28, and positioning means, which will not be described in detail in detail, are appropriately engaged and accurately positioned and installed.
[0024]
The illustrated copying machine is used in this state. For example, as shown in FIG. 6, it is assumed that an external force F acts on the copying machine main body 10 and the copying machine main body 10 is inclined at an angle θ. Then, as shown in FIG. 7, unless the bottom plate 12 is lifted, the tip of the cylindrical member 15 hits the pin 30 and eventually engages with the locking groove 31, and the external force F is not large enough to lift the paper supply bank 20. The inclination of the copying machine main body 10 is prevented.
[0025]
Here, as shown in FIG. 8, if the distance between one pin 30 and the end of the rubber foot 32 farthest from it is X, and the height from the upper surfaces of the upper stays 27 and 28 to the locking groove 31 is h,
[X + (D / 2)] 2 −h 2 ≦ [X + (d / 2)] 2
Then, the pin 30 can be securely hooked in the locking groove 31.
[0026]
To organize this,
X 2 + XD + D 2/ 4-h 2 ≦ X 2 + Xd + d 2/4
(D−d) X + (D 2 −d 2 ) / 4 ≦ h 2 ……………… (1)
It becomes.
[0027]
Also,
d <D ……………………………………………… ▲ 2 ▼
It is.
[0028]
Therefore, if the relationship between D, d, h, and X is expressed by the above formulas (1) and (2), the pin 30 can be securely hooked in the locking groove 31.
[0029]
As a result, when the copying machine main body 10 is placed on the paper supply bank 20 and used, the pins 30 are inserted into the cylindrical portion 16 to engage with each other without being fastened by a fastening member. It is possible to reduce the possibility that the copying machine main body 10 is inclined and falls from the sheet supply bank 20.
[0030]
According to the illustrated copying machine, the cylindrical portion 16 and the pin 30 are firmly supported by the highly rigid bottom plate 12 and the upper stays 27 and 28 in the copying machine main body 10 and the paper supply bank 20, respectively. By engaging the pin 30 with the pin 30, it is possible to prevent the copying machine apparatus body 10 from tilting beyond a certain level and to reliably prevent the copying machine apparatus body 10 from dropping from the sheet supply bank 20.
[0031]
In addition, since the locking groove 31 is formed in the pin 30 in the illustrated example, the cylindrical portion 16 is locked in the locking groove so that the copying machine apparatus body 10 can be more reliably dropped from the paper supply bank 20. Can be prevented. At this time, if a plurality of the locking grooves 31 are formed in the axial direction, even if the first locking groove 31 fails to be locked, the locking groove 31 can be locked by the next locking groove 31. The cylindrical portion 16 can be more reliably locked in the groove 31.
[0032]
In the above-described example, the cylindrical portion 16 is provided on the image forming apparatus main body 10 side, and the pin 30 that is a shaft-like member is provided on the paper supply bank 20 side. However, if the shaft-like member does not protrude downward from the rubber feet, the shaft-like member is provided on the image forming apparatus main body 10 side, and the cylindrical portion is provided on the mounting table side such as a paper feed bank / table. Also good.
[0033]
【The invention's effect】
As described above, according to the present invention, the cylindrical member is provided on one of the image forming apparatus main body and the mounting table, and on the other hand, the shaft-like member that enters the cylindrical portion when the image forming apparatus main body is mounted on the mounting table. Therefore, when the image forming apparatus main body is mounted on the mounting table and used, the shaft-shaped member is put in the cylindrical portion to engage them, and the image is formed by an external force without fastening by the fastening member. The possibility that the apparatus main body tilts and falls from the mounting table can be reduced.
[0034]
According to the second aspect of the present invention, since the cylindrical portion is provided on one of the bottom plate of the main body of the image forming apparatus and the upper stay of the mounting table and the shaft-shaped member is provided on the other, the cylindrical portion and the shaft-shaped member are each highly rigid. Firmly supported by the bottom plate and the upper stay, and prevents the image forming apparatus body from falling from above the mounting table by preventing the inclination of the image forming apparatus body from exceeding a certain level by engaging the cylindrical portion and the shaft-like member. And can be surely prevented.
[0035]
According to the invention of claim 1, also from forming a locking groove in the shaft-like member, more reliably the drop of the image forming apparatus main body from the mounting table engages a cylindrical portion in its locking grooves Can be prevented.
[0036]
According to the invention according to claim 3 , since a plurality of the locking grooves are formed in the axial direction, even when the latching failure is caused by the first locking groove, it can be latched by the next locking groove, The cylindrical portion can be more reliably locked in the locking groove.
[0037]
According to the fourth aspect of the present invention, in the image forming apparatus main body mounting structure on the mounting table, the cylindrical portion is provided on one of the image forming apparatus main body and the mounting table, and on the other hand, the image forming apparatus on the mounting table. When the main body is placed, a shaft-like member that enters the cylindrical portion is provided. Therefore, when the image forming apparatus main body is placed on the placing table and used, the shaft-like member is placed in the tubular portion to engage and fasten. Even if fastening by a member is not performed, it is possible to reduce the possibility that the image forming apparatus main body is inclined by an external force and falls from the mounting table. Further, when a circumferential locking groove is formed in the shaft-shaped member and the image forming apparatus main body is tilted about the foot end farthest from one shaft-shaped member, the tip of the cylindrical portion is locked to the shaft-shaped member. Since the shaft-like member is inserted into the cylindrical portion with the looseness that engages with the groove, the cylindrical portion is locked in the locking groove to further reliably prevent the image forming apparatus main body from dropping from the mounting table. Can do.
[0038]
According to the fifth aspect of the present invention, in the image forming apparatus main body mounting method on the mounting table, when the image forming apparatus main body is mounted on the mounting table, the shaft member provided on one side is provided with the cylinder provided on the other side. Similarly, when the image forming apparatus main body is mounted on the mounting table and used, it is not necessary to put the shaft-like member into the cylindrical portion and engage them and perform fastening by the fastening member. Thus, it is possible to reduce the possibility that the image forming apparatus main body is inclined by the external force and falls from the mounting table. In addition, when the image forming apparatus main body is tilted about the foot end farthest from one shaft-shaped member, the tip of the cylindrical portion is loose enough to engage with a circumferential locking groove formed in the shaft-shaped member. Since the shaft-like member is put in the cylinder portion, the cylinder portion can be locked in the locking groove to prevent the image forming apparatus main body from dropping from the mounting table.
[Brief description of the drawings]
FIG. 1 is a schematic external view of a copying machine according to the present invention.
FIG. 2 is a partial perspective view of a bottom plate constituting the structure of the copying machine main body.
FIG. 3 is a perspective view showing a schematic configuration of a structure provided in a paper supply bank of the copying machine.
FIG. 4 is a perspective view showing a state where one pin is attached to the front upper stay.
FIG. 5 is a cross-sectional view showing an engaged state between a cylindrical portion and a pin.
FIG. 6 is an explanatory diagram when an external force F acts on the copying machine main body on the paper supply bank.
FIG. 7 is an explanatory diagram of a state when a cylindrical portion is locked in a locking groove of a pin when an external force F is applied to the copying machine main body.
FIG. 8 is a diagram showing a dimensional relationship at that time.
[Explanation of symbols]
10 Copying machine main body (image forming device main body)
12 Bottom plate 14 Hole 15 Cylindrical member 16 Tube portion 20 Paper feed bank (mounting table)
27 Front upper stay 28 Rear upper stay 30 Pin (shaft-shaped member)
31 Locking groove 32 Rubber foot

Claims (5)

画像形成装置本体と載置台の一方に筒部を設けるとともに、他方に、画像形成装置本体に設ける足を載置台上に載せて前記載置台上に前記画像形成装置本体を載置するとき前記筒部に入り込む軸状部材を設け、
その軸状部材には、前記載置台に対して前記画像形成装置本体が傾いたとき、前記筒部の先端が係合する周方向の係止溝を形成し、
１つの軸状部材から最も遠い足の足端を中心として前記画像形成装置本体が傾いたとき、前記筒部の先端が当該軸状部材の前記係止溝に係合する緩さで、当該軸状部材を前記筒部内に入れてなる、画像形成装置。When the cylindrical portion is provided on one of the image forming apparatus main body and the mounting table, and on the other hand, when placing the foot provided on the image forming apparatus main body on the mounting table and mounting the image forming apparatus main body on the mounting table, the cylinder Provide a shaft-like member that enters the part,
The shaft-shaped member is formed with a circumferential locking groove with which the tip of the cylindrical portion engages when the image forming apparatus main body is tilted with respect to the mounting table .
When the image forming apparatus main body is tilted about the foot end of the foot furthest from one shaft-shaped member, the end of the cylindrical portion is loose enough to engage with the locking groove of the shaft-shaped member, and the shaft An image forming apparatus comprising a cylindrical member placed in the cylindrical portion. 前記画像形成装置本体の底板と前記載置台の上ステーの一方に前記筒部を、他方に前記軸状部材を設けてなる、請求項１に記載の画像形成装置。  The image forming apparatus according to claim 1, wherein the cylindrical portion is provided on one of the bottom plate of the main body of the image forming apparatus and the upper stay of the mounting table, and the shaft-like member is provided on the other. 前記係止溝を軸方向に複数形成してなる、請求項１に記載の画像形成装置。  The image forming apparatus according to claim 1, wherein a plurality of the locking grooves are formed in the axial direction. 画像形成装置本体と載置台の一方に筒部を設けるとともに、他方に、画像形成装置本体に設ける足を載置台上に載せて前記載置台上に前記画像形成装置本体を載置するとき前記筒部に入り込む軸状部材を設け、
その軸状部材には、前記載置台に対して前記画像形成装置本体が傾いたとき、前記筒部の先端が係合する周方向の係止溝を形成し、
１つの軸状部材から最も遠い足端を中心として前記画像形成装置本体が傾いたとき、前記筒部の先端が当該軸状部材の前記係止溝に係合する緩さで、当該軸状部材を前記筒部内に入れてなる、載置台上への画像形成装置本体載置構造。When the cylindrical portion is provided on one of the image forming apparatus main body and the mounting table, and on the other hand, when placing the foot provided on the image forming apparatus main body on the mounting table and mounting the image forming apparatus main body on the mounting table, the cylinder Provide a shaft-like member that enters the part,
The shaft-shaped member is formed with a circumferential locking groove with which the tip of the cylindrical portion engages when the image forming apparatus main body is tilted with respect to the mounting table .
When the image forming apparatus main body is tilted about the foot end furthest from one shaft-like member, the shaft-like member is loosened so that the tip of the cylindrical portion engages with the locking groove of the shaft-like member. The image forming apparatus main body mounting structure on the mounting table, which is placed in the cylinder portion. 画像形成装置本体に設ける足を載置台上に載せて載置台上に画像形成装置本体を載置するとき、一方に設ける軸状部材を、他方に設ける筒部に挿入し、
前記載置台に対して前記画像形成装置本体が傾いたとき、前記筒部の先端が前記軸状部材の周方向の係止溝に係合し得るようにするとともに、
１つの軸状部材から最も遠い足端を中心として前記画像形成装置本体が傾いたとき、前記筒部の先端が、当該軸状部材に形成した周方向の係止溝に係合する緩さで、当該軸状部材を前記筒部内に入れてなる、載置台上への画像形成装置本体載置方法。 When placing the foot provided on the image forming apparatus main body on the mounting table and mounting the image forming apparatus main body on the mounting table, the shaft-shaped member provided on one side is inserted into the cylindrical portion provided on the other side,
When the image forming apparatus main body is tilted with respect to the mounting table, the tip of the cylindrical portion can be engaged with a circumferential locking groove of the shaft-shaped member;
When the image forming apparatus main body is tilted around the foot end farthest from one shaft-like member, the end of the cylindrical portion is loose enough to engage with a circumferential locking groove formed in the shaft-like member. The image forming apparatus main body mounting method on the mounting table, wherein the shaft-shaped member is placed in the cylindrical portion.
JP2001132742A 2001-04-27 2001-04-27 Image forming apparatus, image forming apparatus main body mounting structure and mounting method on mounting table Expired - Fee Related JP4442850B2 (en)

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