JPH01236132A - Automatic paper feeder - Google Patents

Automatic paper feeder

Info

Publication number
JPH01236132A
JPH01236132A JP5848888A JP5848888A JPH01236132A JP H01236132 A JPH01236132 A JP H01236132A JP 5848888 A JP5848888 A JP 5848888A JP 5848888 A JP5848888 A JP 5848888A JP H01236132 A JPH01236132 A JP H01236132A
Authority
JP
Japan
Prior art keywords
originals
original
rotor
sheet
sheets
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
JP5848888A
Other languages
Japanese (ja)
Inventor
Kiyoshi Matsuhashi
松橋 清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP5848888A priority Critical patent/JPH01236132A/en
Publication of JPH01236132A publication Critical patent/JPH01236132A/en
Pending legal-status Critical Current

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  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

PURPOSE:To prevent paper jamming or double feeding, etc., from occurring by setting up a rotor in and around a lower end of a tilting mount, and installing a projection in this rotor. CONSTITUTION:A projection 13A installed in a rotor 12 is adjoined, in advance, to the position where the lower end of an original 1 set on a mounting surface 2a of an original table 2 comes into contact, and originals are mounted on this original table in pile. In addition, the projection 13A is separated from the lower end of each original 1 with rotation of the rotor 12, whereby each original 1 is lowered along the mounting surface 2a by its own weight, and thus each of these originals 1 can be molded up and down along the mounting surface 2a. Accordingly, with this vertical motion repeated as much as the specified frequency, each lower end of respective originals 1 is trued up in line, and afterward, the rotor 12 is stopped at a position where projections 13A-13C are unable to come into contact with the lower end of these originals 1, whereby the stacked originals 1 are conveyable toward a separate conveying mechanism in the state that their ends are trued up in line with dead load.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はファクシミリなどに使用され、重積載置された
複数枚の原稿などのシートを1枚ずつ走査部などに搬送
する自動給紙装置に係り、特に、シートの下端を揃える
ことのできる自動給紙装置に関する。
[Detailed Description of the Invention] [Industrial Application Field] The present invention is applied to an automatic paper feeder used in facsimiles, etc., which conveys sheets such as multiple stacked originals one by one to a scanning unit or the like. In particular, the present invention relates to an automatic paper feeder that can align the bottom edges of sheets.

(従来の技術) 従来から、ファクシミリには、複数枚の原稿を傾斜載置
台上にセットすると、この原稿を自動的に1枚ずつ走査
部に搬送する自動給紙装置が設()られており、このよ
うな自動給紙装置によれば、操作者がファクシミリに付
きっきりで1枚ずつ原稿を手差しすることなく、−度重
ねて傾斜載置台上にセットするだけで、原稿を順次1枚
ずつ走査部に搬送して自動的に送信することができる。
(Prior Art) Traditionally, facsimile machines have been equipped with an automatic paper feeder that automatically feeds multiple originals one by one to a scanning unit when multiple originals are set on an inclined loading table. According to this type of automatic paper feeder, the operator can scan the originals one by one by simply setting them on the tilted loading table one by one, without having to be present at the facsimile machine and manually feeding the originals one by one. It can be transported to the department and automatically transmitted.

このような従来の自動給紙装置をさらに具体的に説明す
ると、原稿を゛重積載置可能とされた傾斜載置台の下端
部に、この傾斜載置台上のシートを1枚ずつ他から分離
して搬送する例えば分離ローラおよび分離板からなる分
離搬送機構が配設されており、このような構成によれば
、複数の原稿を重積状に傾斜載置台上に搬送すると、各
原稿の下端部が分離ローラと分離板との間に挟持され、
分離ローラの回転により手積原稿の最下位のものから順
次1枚ずつ走査部に搬送するようになっている。
To explain this kind of conventional automatic paper feeder in more detail, it separates the sheets on the inclined loading table one by one from the others at the lower end of the inclined loading table on which originals can be piled up. For example, a separation conveyance mechanism consisting of a separation roller and a separation plate is provided, and with such a configuration, when a plurality of documents are conveyed in a stacked manner onto an inclined loading table, the bottom edge of each document is is held between the separation roller and the separation plate,
By rotating the separation roller, the manually stacked documents are conveyed one by one to the scanning section, starting from the lowest one.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

しかしながら、前述した従来の自動給紙装置においては
、複数枚の原稿のようなシートを傾斜載置台にセットす
る際に、各シートの下端が揃っていないと、分離ローう
および分離板によってシートが1枚ずつ正確に分離され
ることなく搬送されてしまい、紙詰まり、または2枚搬
送などが発生するおそれがあった。このため、従来の自
動給紙装置にシートをセットする際には、あらかじめ各
シートの下端をよく揃えてセットする必要があった。
However, in the conventional automatic paper feeder described above, when setting multiple sheets, such as originals, on an inclined loading table, if the bottom edges of each sheet are not aligned, the sheets will be separated by the separation row and separation plate. The sheets are conveyed without being accurately separated one by one, and there is a risk that a paper jam or two sheets will be conveyed. Therefore, when setting sheets in a conventional automatic paper feeder, it is necessary to align the bottom edges of each sheet in advance.

本発明は、前述した従来のものにおける問題点を克服し
、シートを重積状態で傾斜載置台にセットする場合に各
シートの下端を揃えないでセットしても紙詰まりまたは
2枚送りなどが発生することのない自動給紙装置を提供
することを目的とする。
The present invention overcomes the above-mentioned problems with the prior art, and when stacking sheets on an inclined loading table, even if the bottom edges of each sheet are not aligned, paper jams or double sheet feeding may occur. The purpose of this invention is to provide an automatic paper feeding device that does not cause this problem.

〔課題を解決するための手段〕[Means to solve the problem]

前述した目的を達成するため本発明に係る自動給紙装置
は、シートを重積載置可能とされた傾斜載置台の下端部
に、この傾斜載置台上のシートを1枚ずつ分離した上で
搬送する分tIIWi送機構が配設されている自動給紙
装置において、前記傾斜載置台の下端部近傍に回転駆動
される回転体を配設し、この回転体に、前記傾斜載置台
上に載置されているシートの各下端に当接して回転体の
回転に伴ない各シートを前記傾斜載置台の載置面に沿っ
て押し上げる突起を突設したことを特徴としている。
In order to achieve the above-mentioned object, an automatic paper feeder according to the present invention separates the sheets on the inclined loading table one by one and conveys them to the lower end of the inclined loading table which is capable of stacking sheets. In an automatic sheet feeder equipped with a IIWi feeding mechanism, a rotary body that is rotationally driven is disposed near the lower end of the inclined loading table, and the rotating body is used to load the sheets onto the inclined loading table. The present invention is characterized in that a protrusion is provided in a protruding manner to abut on the lower end of each sheet and push up each sheet along the mounting surface of the inclined mounting table as the rotating body rotates.

〔作 用〕[For production]

前述した構成の本発明によれば、回転体に突設された突
起を傾斜載置台上にセットされたシートの下端が当接す
る位置に臨ませておき、傾斜載置台に複数枚のシートを
重積[置すると、突起にシートの下端が当接するので、
この突起によりこれらのシートを傾斜載置台の表面に沿
って上方に押し上げる方向に回転体を回転駆動して、各
シートを上方に押し上げるとともに、回転体の回転に伴
なってこの突起が各シートの下端から外れることにより
各シートを自重により傾斜載置台の表面に沿って下降さ
せることにより、シートのそれぞれを傾斜載置台に沿っ
て上下動することができる。
According to the present invention having the above-described structure, the protrusion protruding from the rotating body is made to face the position where the lower end of the sheet set on the inclined mounting table comes into contact with it, and a plurality of sheets are piled up on the inclined mounting table. [When placed, the bottom edge of the sheet will come into contact with the protrusion, so
These protrusions drive the rotary body in a direction that pushes these sheets upward along the surface of the inclined mounting table, pushing each sheet upward, and as the rotary body rotates, this protrusion pushes each sheet upward. Each of the sheets can be moved up and down along the inclined mounting table by lowering each sheet by its own weight along the surface of the inclined mounting table by coming off the lower end.

そこで、この上下動を所定回数繰返すことによって各シ
ートの下端を揃えることができ、所定回数の上下動のの
ちに回転体の突起が各シートの下端に当接し1ワない位
置において回転体を停止することにより重積状態にある
シートを自重により下端が揃えられた状態で分離搬送機
構に向って搬送することができ、この結果、この分離搬
送機構によりシートを1枚ずつ確実に分離して搬送する
ことができる。
Therefore, by repeating this vertical movement a predetermined number of times, the bottom edges of each sheet can be aligned, and after a predetermined number of vertical movements, the protrusion of the rotating body comes into contact with the bottom edge of each sheet, and the rotating body stops at the position where it is 1 inch away. By doing so, the stacked sheets can be conveyed toward the separation conveyance mechanism with their bottom edges aligned by their own weight, and as a result, the separation conveyance mechanism reliably separates and conveys the sheets one by one. can do.

〔実施例〕〔Example〕

以下、本発明を図面に示す実施例により説明する。 The present invention will be explained below with reference to embodiments shown in the drawings.

第1図および第2図は本発明に係る自動給紙装置の実施
例としてのファクシミリの要部を示すものであり、シー
トの一例としての原稿1を傾斜配置された載置面2a上
に重積状に載置できる傾斜載置台の一例としての原稿台
2がファクシミリの図示しない本体に配設されている。
1 and 2 show the main parts of a facsimile machine as an embodiment of the automatic paper feeder according to the present invention, in which a document 1 as an example of a sheet is stacked on a mounting surface 2a arranged at an angle. A document table 2, which is an example of a tilted document table on which documents can be placed in a stack, is provided in the main body (not shown) of the facsimile.

また、原稿台2の下端部には、外周がゴムなどの比較的
抵抗の大きな材料によって形成されている分離ローラ3
が、図示しない軸受に回転自在に支持された支軸4に軸
支されており、この支軸4の端部には、モータ5の回転
軸6に嵌着された歯車7と噛合する歯車8が嵌着され、
分10−ラ3はモータ5により第2図の矢印方向に回転
駆動されるようになっている。さらに、この分離ローラ
3の前方には、横長で表面がほぼ鉛直方向に位置する分
離板9が、下部が分離ローラ3の外周と微小間隙をもっ
て接近し、上部が原稿台2上に載置された原稿1の紙面
方向の延長上に臨むように配設されている。これらの分
離ローラ3および分離板9は分離搬送機構を構成してい
る。
Further, at the lower end of the document table 2, a separation roller 3 whose outer periphery is made of a material with relatively high resistance, such as rubber, is provided.
is rotatably supported by a bearing (not shown), and a gear 8 that meshes with a gear 7 fitted on a rotating shaft 6 of a motor 5 is provided at the end of the support shaft 4. is fitted,
The minute 10-ra 3 is rotated by a motor 5 in the direction of the arrow in FIG. Further, in front of the separation roller 3, there is a separation plate 9, which is horizontally elongated and whose surface is located in a substantially vertical direction. It is arranged so as to face an extension of the original document 1 in the direction of the paper surface. These separation rollers 3 and separation plates 9 constitute a separation conveyance mechanism.

原稿台2の下端部には左右に適宜間隔を置いて1対の切
欠き10.10が形成されており、各切欠き10内には
それぞれ支軸11に*iされているほぼ円板状の回転体
12が配設されている。各回転体12の外周面は、その
仮想接線が前記原稿台2の載置面2aとほぼ同一面内に
位置するようにされており、また、各回転体12の外周
面には原稿台2の載置面2aから突出し、この載置面2
a上に載置された原稿1の下端に当接し得る複数個〈本
実施例においては3個)の突起13A。
A pair of notches 10 and 10 are formed at the lower end of the document table 2 at appropriate intervals on the left and right, and within each notch 10 is a substantially disc-shaped plate attached to a support shaft 11. A rotating body 12 is provided. The outer circumferential surface of each rotary body 12 is such that its virtual tangent is located in substantially the same plane as the placement surface 2a of the document table 2, and the outer circumferential surface of each rotary body 12 has a protrudes from the mounting surface 2a of the
A plurality of (three in this embodiment) protrusions 13A that can come into contact with the lower end of the document 1 placed on a.

138.130(以下、符号13で総称する)が円周方
向に開隔を隔て、かついずれの突起13もが原稿台2の
載置面2a上に突出しない位置を取りt7るように突設
されている。なお、両回転体12.12の各突起13の
位相は等しくされている。また、各突起13の原稿1が
当接される当接面13aははtま回転体12の半径方向
に向く平面とされている。
138 and 130 (hereinafter collectively referred to as the reference numeral 13) are spaced apart in the circumferential direction, and are protruded so as to take positions where none of the protrusions 13 protrude above the placement surface 2a of the document table 2. has been done. Note that the phases of the respective protrusions 13 of both rotating bodies 12.12 are made equal. Further, the contact surface 13a of each protrusion 13 against which the document 1 comes into contact is a flat surface facing in the radial direction of the rotating body 12.

前記支軸11の端部には、両方向に回転可能なモータ1
4の回転軸15に嵌着された歯車16と噛合する歯車1
7が嵌着されており、各回転体12はモータ14により
両方向に回転駆動されるようになっている。なお、両モ
ータ5,14の回転駆動の制御は図示しない制御部から
の制m信号により行なわれるようになっている。また、
原稿台2の載置面2a上に原稿1を載置すると、この原
稿1を図示しないセンサが検出して制御部に検出信号を
出力するようになっている。
At the end of the support shaft 11, there is a motor 1 that can rotate in both directions.
The gear 1 meshes with the gear 16 fitted on the rotating shaft 15 of 4.
7 is fitted, and each rotating body 12 is driven to rotate in both directions by a motor 14. The rotational drive of both motors 5 and 14 is controlled by a control signal from a control section (not shown). Also,
When a document 1 is placed on the placement surface 2a of the document table 2, a sensor (not shown) detects the document 1 and outputs a detection signal to a control section.

つぎに、前述した構成からなる本実施例の作用について
説明する。
Next, the operation of this embodiment having the above-described configuration will be explained.

まず、第3図Aに示すように、回転体12の突起13A
をその当接面13aが原稿台2の載置面2aに対しほぼ
直交するように位置決めしておき、原稿台2上の載置面
2aに複数枚の原稿1を載置する。すると、この図に示
すように、各原稿1の下端が揃っていないので、一部の
原稿1の下端のみが突起13Aの当接面13aに当接す
る。そして、図示しないセンサにより原稿台2上に原稿
1を載置したことが検知され、この検出信号によりモー
タ14が駆動され、モータ14の回転は、歯車16.1
7および支軸11を介して各回転体12に伝達され、各
回転体12が第3図Aにおいて時計方面に数回回転され
る。すると、この回転体12の回転に伴なって突起13
Aが、第3図Bに示すように各原稿1を原稿1の載置面
2aに沿って押し上げ、その後、第3図Cに示すように
突起13Aが原稿台2の載置面2aの下方に没すると、
各原稿1はそれぞれ自重により原稿台2の載置面2aを
滑落してつぎの突起13Bの当接面13aに当接し、慣
性によりある程度下端を揃えられる。そこで、回転体1
2の所定回数の回転に伴ない、各原稿1が各突起13と
の当接を繰返すことにより突起13に当接された原稿1
が原稿台2の載置面2aに沿う上下動を繰返し、この結
果各原稿1の下端の全てが突起13の当接面13aに当
接され、各原稿1の下端が完全に揃えられる。
First, as shown in FIG. 3A, the projection 13A of the rotating body 12
is positioned so that its contact surface 13a is substantially orthogonal to the placement surface 2a of the document table 2, and a plurality of originals 1 are placed on the placement surface 2a of the document table 2. Then, as shown in this figure, since the lower ends of the original documents 1 are not aligned, only the lower ends of some of the original documents 1 come into contact with the contact surface 13a of the protrusion 13A. Then, a sensor (not shown) detects that the document 1 is placed on the document table 2, and this detection signal drives the motor 14, and the rotation of the motor 14 is controlled by the gear 16.1.
7 and the support shaft 11 to each rotating body 12, and each rotating body 12 is rotated several times clockwise in FIG. 3A. Then, as the rotating body 12 rotates, the protrusion 13
A pushes up each original 1 along the placing surface 2a of the original 1 as shown in FIG. 3B, and then, as shown in FIG. When you sink into
Each document 1 slides down the placement surface 2a of the document table 2 due to its own weight and comes into contact with the contact surface 13a of the next protrusion 13B, and its lower ends are aligned to some extent due to inertia. Therefore, rotating body 1
2 rotates a predetermined number of times, each document 1 repeatedly comes into contact with each protrusion 13, so that the document 1 is brought into contact with the protrusion 13.
repeatedly moves up and down along the placement surface 2a of the document table 2, and as a result, all of the lower ends of each document 1 come into contact with the contact surface 13a of the protrusion 13, and the lower ends of each document 1 are completely aligned.

つぎに、モータ14を逆方向に回転駆動することにより
、各回転体12が逆に反時計方向に回転して、第3図り
に示すように、各突起13がいずれも原稿台2の載置面
2a上に臨まない位置において回転体12を停止する。
Next, by driving the motor 14 to rotate in the opposite direction, each rotating body 12 rotates counterclockwise, and as shown in the third diagram, each protrusion 13 is placed on the document table 2. The rotating body 12 is stopped at a position not facing the surface 2a.

すると、下端が揃えられた各原稿1が自重により原稿台
2の載置面2aに沿って分離ローラ3方向に滑落される
。そして、重積原稿1は、分離ロー53と分離板9との
間に挟持され、分離ローラ3の回転によって1枚ずつ分
離板9の間を通過して図示しない走査部に搬送される。
Then, each document 1 with its lower edge aligned is slid down toward the separation roller 3 along the placement surface 2a of the document table 2 due to its own weight. The stacked documents 1 are held between the separation row 53 and the separation plate 9, and are conveyed one by one between the separation plates 9 by the rotation of the separation roller 3 to a scanning section (not shown).

このとき、各原稿1の下端部が揃えられているため、確
実に1枚ずつに分離された上で走査部に搬送することが
できる。
At this time, since the lower ends of each document 1 are aligned, the documents can be reliably separated one by one and then transported to the scanning section.

前述したように本実施例によれば、回転体12の回転に
より原稿台2の載置面2a上の各原稿1を上下動させて
原稿1を揃えることができるので、原稿1を分離ロー5
3および分離板9により確実に1枚ずつ分離して搬送す
ることができる。
As described above, according to this embodiment, each original 1 on the placement surface 2a of the original platen 2 can be moved up and down by the rotation of the rotating body 12, and the originals 1 can be aligned.
3 and separation plate 9, it is possible to reliably separate and convey the sheets one by one.

なお、本発明は、前述した実施例に限定されるものでは
なく、必要により種々の変更が可能である。例えば、回
転体12の突起13の数は任意とすることができ、単数
としてもよいが、好ましくは2〜3個が望ましい。さら
に、回転体12自体の個数も任意とすることができる。
Note that the present invention is not limited to the embodiments described above, and various changes can be made as necessary. For example, the number of protrusions 13 on the rotating body 12 may be arbitrary, and may be singular, but preferably 2 to 3 protrusions. Furthermore, the number of rotating bodies 12 itself can be set arbitrarily.

〔発明の効果〕〔Effect of the invention〕

以上説明したように本発明によれば、原稿を重積状態で
傾斜台にセットする場合、各シートの下端を揃えてセッ
トしなくとも、回転体の回転により自動的に下端が揃う
ので、紙詰まりまたは2枚送りなどが発生することなく
シートを1枚ずつ確実に搬送することができるという効
果を奏する。
As explained above, according to the present invention, when stacking originals on an inclined table, the bottom edges of each sheet are automatically aligned by the rotation of the rotating body, without having to align the bottom edges of each sheet. This has the effect that sheets can be reliably conveyed one by one without occurrence of jams or double sheet feeding.

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

第1図は本発明に係る自動給紙装置の実席例を示す平面
図、第2図は第1図の■−■による断面図、第3図A、
B、C,Dは第1図および第2図の自動給紙装置の作用
を示す側面図である。 1・・・原稿、2・・・原稿台、3・・・分離ローラ、
5・・・モータ、9・・・分離板、12・・・回転体、
13A。 13B、13G・・・突起、14・・・モータ。 出願人代理人  中  尾  俊 °軸部1図 第2図 A (A) (C) 2、:1 3図 (D)
FIG. 1 is a plan view showing an example of an actual seat of an automatic paper feeder according to the present invention, FIG. 2 is a sectional view taken along ■-■ in FIG. 1, and FIG.
B, C, and D are side views showing the operation of the automatic sheet feeder of FIGS. 1 and 2; 1... Original, 2... Original table, 3... Separation roller,
5... Motor, 9... Separation plate, 12... Rotating body,
13A. 13B, 13G...Protrusion, 14...Motor. Applicant's agent Toshi Nakao °Shaft part Fig. 1 Fig. 2 A (A) (C) 2, :1 Fig. 3 (D)

Claims (1)

【特許請求の範囲】[Claims] シートを重積載置可能とされた傾斜載置台の下端部に、
この傾斜載置台上のシートを1枚ずつ分離した上で搬送
する分離搬送機構が配設されている自動給紙装置におい
て、前記傾斜載置台の下端部近傍に回転駆動される回転
体を配設し、この回転体に、前記傾斜載置台上に載置さ
れているシートの各下端に当接して回転体の回転に伴な
い各シートを前記傾斜載置台の載置面に沿つて押し上げ
る突起を突設したことを特徴とする自動給紙装置。
At the bottom of the inclined loading table, which can be loaded with heavy sheets,
In an automatic sheet feeder equipped with a separation and conveyance mechanism that separates and conveys the sheets on the inclined mounting table one by one, a rotating body that is driven to rotate is arranged near the lower end of the inclined mounting table. The rotary body has a protrusion that comes into contact with the lower end of each sheet placed on the tilted mounting table and pushes each sheet up along the mounting surface of the tilted mounting table as the rotary body rotates. An automatic paper feeder characterized by a protruding structure.
JP5848888A 1988-03-14 1988-03-14 Automatic paper feeder Pending JPH01236132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5848888A JPH01236132A (en) 1988-03-14 1988-03-14 Automatic paper feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5848888A JPH01236132A (en) 1988-03-14 1988-03-14 Automatic paper feeder

Publications (1)

Publication Number Publication Date
JPH01236132A true JPH01236132A (en) 1989-09-21

Family

ID=13085817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5848888A Pending JPH01236132A (en) 1988-03-14 1988-03-14 Automatic paper feeder

Country Status (1)

Country Link
JP (1) JPH01236132A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7720429B2 (en) 2005-12-26 2010-05-18 Samsung Electronics Co., Ltd. Image forming apparatus including shutter arm unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7720429B2 (en) 2005-12-26 2010-05-18 Samsung Electronics Co., Ltd. Image forming apparatus including shutter arm unit

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