JPH02233420A - Sheet member feeding device - Google Patents
Sheet member feeding deviceInfo
- Publication number
- JPH02233420A JPH02233420A JP1054738A JP5473889A JPH02233420A JP H02233420 A JPH02233420 A JP H02233420A JP 1054738 A JP1054738 A JP 1054738A JP 5473889 A JP5473889 A JP 5473889A JP H02233420 A JPH02233420 A JP H02233420A
- Authority
- JP
- Japan
- Prior art keywords
- sheet material
- seat plate
- regulating member
- regulating
- feeding device
- 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
Landscapes
- Sheets, Magazines, And Separation Thereof (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Paper Feeding For Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は，例えば原稿読取＃ｌＩ＠複写ｍ−プリンタ等
において原稿読取部−露光部番作像部等へシート原稿な
いしは転写紙●感光紙●記録紙等のシート材を給送する
たのシート材給送装置に関するものである．
更に詳しくは、シート材執置台と，該藏置台上の載量シ
ート材の給送方向と直角方向の両側に夫々位置して載置
シート材の両備面部を位置規制する第１と第２の規制部
材を有し、その両規制部材のうち少なくとも一方の規Ｍ
部材は他方の規制部材との間隔を載置シート材のサイズ
に応じて広狭ｍ簡できる可動の部材であり，該可動の規
制部材はシート材藏置台上を摺動する座坂部分と、これ
に一体のシート材側面部に対向する規＠壁部分先有し、
該座板部分は他方の規制部材との間隔部側である内向き
に張り出している構處のシート材セット部を懺えている
シート材給送装置に関する．
（従来の技術）
第３図は上記のようなシート材セット部を有するシート
材給送装置例の概略構成を示す斜視図である．
ｌはシート材載置台、２（Ｉ）−２（ｎ）は該載置台ｌ
上の載置シート材Ｓの給送方向Ａと直角方向の両側に夫
々位置して載置シート材Ｓの両側面部を位置規制する第
１と第２のシート材側面部規制部材である．木例の給送
装置は所謂中央基準搬送タイプのもので、そのために該
第１と第２の規制部材２（［）−２（■）の両方を可動
の部材（スライドガイド）としてある．即ち図には省略
したけれども例えばガイド長孔とモれに係合するピン等
の手段によりａｍ台上な互いの間隔を広げる方向Ｂ−Ｂ
′，逆に狭める方向Ｃ●Ｃ′に並行を保たせてスライド
移動操作でき、一方の規制部材をスライド移動操作する
とそれに連動して他方の規制部材も逆の方向に同じだけ
スライド移動して両規制部材２（Ｉ）−２（■）の間隔
が中央基準で広狭変化する．
第１と第２の規制部材２（Ｉ）●２（■）は何れもシー
ト材載置台ｌ上を摺動する座坂部分２ｌと，シート材Ｓ
の側面部に対向する規制壁部分２２を有する横断面略Ｌ
字形状の樹脂製拳金属製等の部材である．各ｍ制部材２
（！）・２（■）の座坂部分２ｌ●２１は何れも各規制
部材の間隔部側である内向きとしてある．
第１と第２の規制部材２（Ｉ）φ２（■）をその両者間
の間隔を広げ操作して開き状態にし、その両者間のシー
ト材載置台ｌ上にシート材Ｓ例えばシート原稿や転写材
シート等をＩＩＬ（第３図実線示）、次いで互いの間隔
を狭め操作して各規制部材２（！）●２（■）の規制壁
部分２２拳２２の内面を夫々シート材Ｓの側面部に当接
させた閉じ状態にする（同図２点＃１線示）．これによ
り載置シート材Ｓの両側面部が位置規制され，不図示の
シート材給送手段の動作で載置シート材Ｓが最上位のも
のまたは最下位のものから順次に１枚分離給送Ａされて
いくときのシート材斜行が防止される．
第１と第２の規制部材２（１）−２（■）の各内向き張
り出し座板部分２１●２ｌは規制部材２（Ｉ）●２（ｎ
）の狭め閉じ操作で載置シート材Ｓの最下位シート材の
裏面とシート材載置台１の上面との間に進入して位置す
る．このとき座板縁部の端面（板の肉厚！ｓ）が載置シ
ート材Ｓの側面部に突き当って引っかかり規制部材２（
Ｉ）２（ｎ）の寄せ移動Ｃ●Ｃ′が妨げられることのな
いよラに２該座板縁部は前下りの傾斜テーバー縁２３●
２３にして載置シート材Ｓの下面側にもぐり込み易くし
てある．
第４図は規制部材２（！）●２（■）の座坂部分２１−
２１を夫々上記例のものとは逆に規制部材２ （１）
− ２ （ＩＩ）間の間隔部備とは逆方向の外向きとし
たタイプのものを示している．所謂片側基準搬送タイプ
のシート材給送装置の場合は上記第１と第２の規制部材
２（Ｉ）２（■）のうち基準側の規制部材はシート材載
置台ｌに対して固定部材とされ、他方の部材だけがスラ
イドガイドとして可動構成にされ、これを移動操作する
ことで固定の規制部材との間隔をａＷ１シート材のサイ
ズに応じて広狭調節される。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention is applicable to, for example, a document reading #lI@copy m-printer etc. in which a sheet document or transfer paper, photosensitive paper, etc. ●This relates to a sheet material feeding device for feeding sheet materials such as recording paper. More specifically, there are a sheet material holding table, and a first and a second plate located on both sides of the sheet material on the holding table in a direction perpendicular to the feeding direction of the loaded sheet material and for positionally regulating the double-sided surface portions of the placed sheet material. It has a regulating member, and at least one of the regulating members has a regulation M.
The member is a movable member that can widen or narrow the distance between the member and the other regulating member depending on the size of the sheet material to be placed. The side surface of the sheet material integral with the wall part has a rule opposite to it,
The seat plate portion relates to a sheet material feeding device that protects the sheet material setting portion of the structure that extends inwardly on the side of the gap with the other regulating member. (Prior Art) FIG. 3 is a perspective view showing a schematic configuration of an example of a sheet material feeding device having a sheet material setting section as described above. 1 is the sheet material mounting base, 2(I)-2(n) is the mounting base 1
First and second sheet material side surface regulating members are located on both sides of the upper mounting sheet material S in the direction perpendicular to the feeding direction A, and regulate the position of both side surfaces of the mounting sheet material S. The feeding device of the wooden example is of a so-called central reference conveying type, and for this purpose both the first and second regulating members 2([)-2(■) are movable members (slide guides). That is, although not shown in the figure, for example, the direction B-B in which the distance between each other on the AM table is widened by means such as a pin that engages with a guide elongated hole and a leakage.
', On the other hand, the slide can be operated while keeping parallel to the narrowing direction C●C', and when one regulating member is slid, the other regulating member is also slid in the opposite direction by the same amount, and both The distance between the regulating members 2(I)-2(■) varies from width to width based on the center. The first and second regulating members 2(I)●2(■) both have a seat slope portion 2l that slides on the sheet material mounting table l, and a sheet material S
A cross section approximately L having a regulating wall portion 22 facing the side surface of
It is a resin-shaped fist made of metal, etc. Each m control member 2
The seat slope portions 2l●21 of (!) and 2(■) are all directed inward, which is the spacing side of each regulating member. The first and second regulating members 2 (I) φ2 (■) are operated to open the gap between them, and the sheet material S, such as a sheet original or a transfer sheet, is placed on the sheet material mounting table l between them. IIL (shown by solid lines in Figure 3) the material sheets, etc., and then narrow the distance between them and manipulate the inner surfaces of the regulating wall portions 22 of each regulating member 2 (!) ● 2 (■) to the side surface of the sheet material S. (2 points #1 line shown in the same figure). As a result, the position of both side surfaces of the placed sheet material S is regulated, and the placed sheet material S is sequentially separated and fed one by one from the highest or lowest one by the operation of a sheet material feeding means (not shown). This prevents the sheet material from skewing when it is being moved. The inward protruding seat plate portions 21●2l of the first and second regulating members 2(1)-2(■) are the regulating members 2(I)●2(n
), it enters and is located between the back surface of the lowest sheet material of the loaded sheet material S and the upper surface of the sheet material mounting table 1. At this time, the end surface of the edge of the seat plate (thickness of the plate! s) hits the side surface of the placement sheet material S and gets caught in the regulating member 2 (
I) In order to ensure that the shifting movement of 2(n) C
23 to make it easier to sink into the underside of the placement sheet material S. Figure 4 shows the seat slope part 21- of the regulating member 2(!)●2(■)
21 respectively in the opposite way to those in the above example, restricting member 2 (1)
- 2 (II) Indicates a type with the spacing facing outward in the opposite direction. In the case of a so-called single-side reference conveyance type sheet material feeding device, the reference side regulating member of the first and second regulating members 2 (I) 2 (■) is fixed to the sheet material mounting table l. Only the other member is movable as a slide guide, and by moving this, the distance from the fixed regulating member can be adjusted to be wide or narrow according to the size of the aW1 sheet material.
（発明が解決しようとする問題点）
上記第３図例装置のように、シート材ＩＩｌ！ｌ台１上
を摺動する可動の規制部材２（Ｉ●■）の座坂部分２ｌ
を内向きとしたものは，前述したように寄せ移動Ｃ●Ｃ
′させたとき座板縁部の端面が載置シート材Ｓの備面に
引っかからないように前下りの傾斜テーバー縁２３にし
てあるが，■それでも往々にしてその傾斜テーパー縁２
３の傾斜部先端が藏置シート材Ｓの側面に突き当って引
っかかりを生じることがあり，■また薄いシート材の場
合は座坂部分２１とシート材載置台１面との間隙内にシ
ート材の側辺部が入り込んでかみ込まれることもあった
．
第４図例装置のように可動の規制部材２（１−■）の座
坂部分２ｌを外向きとしたものは、その座板縁部の載置
シート材側面部に対する引っかかりは構成上生じないけ
れども、薄いシート材の場合には矢張り座板部分２１と
シート材載置台１而との間隙にシート材の側辺部が入り
込んでかみ込まれることがある．また最大給紙サイズを
同じとした場合、第３図例装置のように可動の規制部材
２（Ｉ●■）の座板部分２ｌを内向きとしたものに比べ
て、外向きとした座坂部分２ｌの外方張り出し分だけは
シート材載置台ｌの横幅が広くなり、大型化することに
なる．
本発明は可動の規制部材の座板部分を内向きとした構成
のものについて、上記■や■のような欠点を解消したも
のを提供することを目的とする。(Problems to be Solved by the Invention) Like the device shown in FIG. 3 above, the sheet material IIl! The seat slope portion 2l of the movable regulating member 2 (I●■) that slides on the l stand 1
For those that face inward, as mentioned above, the movement C●C
Although the front downward sloped tapered edge 23 is designed to prevent the end surface of the seat plate edge from getting caught on the surface of the placed sheet material S when
The tip of the sloping part 3 may hit the side surface of the sheet material S and get caught, and if the sheet material is thin, the sheet material may be stuck in the gap between the sloping portion 21 and the surface of the sheet material mounting table 1. Sometimes the side part of the blade got stuck and got caught. If the seat slope portion 2l of the movable regulating member 2 (1-■) is directed outward as in the example device shown in Fig. 4, the edge of the seat plate will not catch on the side surface of the placed sheet material due to its structure. However, in the case of thin sheet materials, the side portions of the sheet materials may get caught in the gap between the seat plate portion 21 and the sheet material mounting table 1. Also, when the maximum paper feed size is the same, the seat plate portion 2l of the movable regulating member 2 (I The width of the sheet material mounting table 1 becomes wider due to the outward protrusion of the portion 2l, resulting in an increase in size. An object of the present invention is to provide a structure in which the seat plate portion of a movable regulating member faces inward, which eliminates the drawbacks such as (1) and (2) above.
（問題点を解決するための手段）
即ち本発明は，可動の規制部材の座板部分を内向さとし
たタイプのものにおいて，該可動の規制部材の内向き張
り山し座板部分の一部をシート材藏置台の上面より下に
位置するようにし，そこから連なる座板縁部を藏置シー
ト材の側辺に対して斜めになるようにしたことを特徴と
する．（作用）
可動の規制部材をシート材ｔｍ台上に載置したシート材
の幅に合せて寄せ移動したとき、該規制部材の内向き張
り出し座板部分の一部はシート材Ｉ！置台の上面より下
に位置しているから，この一部部分は載置シート材の側
面に引っかかりを生じたり、その下側にシート材をかみ
込んだりすることな＜ａａｔシート材の下面側に必ず進
入していく．そしてこの進入により該一部部分以外の座
板主体部分も載置シート材下面偏に対して進入案内され
る．この場合該一部部分から連なる座板縁部を載置シー
ト材の儂辺に対して斜めになるようにしたので、該一部
部分の載置シート材下面側への進入に引き続く座板主体
部分のａａ！シー１・材下面側への進入も，その縁部が
載置シート材の側面に引っかかりを生じたり，その下側
にシー１・材をかみ込んだりすることなく常に確実●ス
ムーズになされる．
（実施例）
第１図は一実施例装置の要部の斜視図である．この例は
中央基準搬送タイプのもので、第１と第２の規制部材２
（Ｉ） ＋＋２ （ｎ）は何れも可動部材（スライド
ガイド）である．
各規制部材２（工）φ２（■）の各内向き張り出し座板
部分２１−２１は夫々その略中央部を頂部とする平面略
三角板形状にしてあり、七の三角板の頂部を前方へ延長
して前下りの傾斜面部２４にし，該前下傾斜面部２４を
シート材載置台ｌの上面に具備させた横方向ガイド溝ｔ
ｉ内に入り込ませてある。この前下り傾斜面部２４がシ
ート材載置台ｌの上面より下に位置する部分となる．又
この部分２４から連なる座板縁部２５は三角板の斜辺部
であり、載置シート材の側辺に対して斜めの関係になる
．
第１と第２の規制部材２ （ｉ − ２ （ＩＩ）を図
の実線示のように開き状態にし、その間にａ．置台ｌ上
にシート材Ｓを載置し、その載置シート材Ｓの幅に合せ
て規制部材２（工）●２（０）を寄せ移動ＣφＣ′した
とき、座板部分２１の台ｌ而よりも下に位置している前
記の前下り＃ｌ斜面部２４が戟置シート材Ｓの側面に引
っかかりを生じたり、その下側にシート材をかみ込んだ
りすること．なく、必ず載置シート材Ｓの下面側に進入
していく。そしてその進入により座板主体部分２１も引
続く規制部材２（Ｉ）◆２ （ｎ）の寄せ移動ｃ−ｃ’
に伴ない蔵置シート材Ｓの下面側に進入案内され、この
場合該座板主体部分の縁部２５は載ごシート材Ｓの側辺
に対して斜めであるので，その縁１２５が載置シート材
Ｓの備面に引っかかり、その下側にシーＩ・材をかみ込
んだりするこどなく常に確実−スムーズに座板主体部分
２ｌも蔵置シート材Ｓの下面側に進入していく．座坂部
分２ｌの上記斜め縁ｆｉ２５は更に前述ｖＪＳ図例のも
ののように前下りの傾斜テーバー縁２３とするのもよい
．
第２図は片側基準搬送タイプの一方の規制部材２（■）
は固定とし、他方の規制部材２（工）だけを可動とした
ものの例を示している。(Means for Solving the Problems) That is, the present invention is a type in which the seat plate portion of the movable regulating member is directed inward, in which a portion of the seat plate portion of the movable regulating member is angled inward. It is characterized by being positioned below the top surface of the sheet material storage stand, and the edge of the seat plate extending from there being diagonal to the sides of the sheet material placement table. (Function) When the movable regulating member is moved to match the width of the sheet material placed on the sheet material tm table, a part of the inwardly projecting seat plate portion of the regulating member is moved toward the sheet material I! Since this part is located below the top surface of the mounting table, this part does not get caught on the side of the mounting sheet material or get the sheet material caught on the underside. We will definitely enter. As a result of this approach, the main part of the seat plate other than this part is also guided to enter against the lower surface of the placed sheet material. In this case, the edge of the seat plate extending from the part is made oblique to the other side of the placed sheet material, so that the main part of the seat plate continues after the part of the part enters the lower surface of the placed sheet material. Part aa! The approach to the bottom side of the sheet material is always done reliably and smoothly without the edge getting caught on the side of the placed sheet material or the sheet material getting caught on the underside. (Example) Figure 1 is a perspective view of the main parts of an example device. This example is of the central reference conveyance type, with the first and second regulating members 2
(I) ++2 (n) are all movable members (slide guides). Each of the inwardly protruding seat plate portions 21-21 of each regulating member 2 (work) φ2 (■) has a planar substantially triangular plate shape with its approximate central portion as the top, and the top of the seventh triangular plate is extended forward. A horizontal guide groove t is provided with a front downward slope portion 24, and the front downward slope portion 24 is provided on the upper surface of the sheet material mounting table l.
It has been inserted into i. This front downward slope portion 24 is a portion located below the upper surface of the sheet material mounting table l. The seat plate edge 25 extending from this portion 24 is the oblique side of the triangular plate, and is diagonal to the side of the placed sheet material. The first and second regulating members 2 (i-2 (II) are opened as shown by the solid lines in the figure, and during that time a. Place the sheet material S on the placing table l; When the regulating member 2 (work) ● 2 (0) is moved CφC' according to the width of Without getting caught on the side surface of the placed sheet material S or getting the sheet material caught under it, it always enters the lower side of the placed sheet material S.Then, as a result of this approach, the seat plate becomes the main body. Portion 21 also continues with the shifting movement c-c' of regulating member 2(I)◆2(n)
In this case, the edge 25 of the main portion of the seat plate is oblique to the side of the loaded sheet material S, so that the edge 125 is closer to the lower surface of the loaded sheet material S. The seat plate main part 2l also smoothly enters the lower surface of the stored sheet material S without getting caught on the prepared surface of the material S and getting the material I/material caught on the underside. The above-mentioned oblique edge fi25 of the seat slope portion 2l may also be made into a front downward inclined taber edge 23 like the one in the vJS diagram example mentioned above. Figure 2 shows one regulating member 2 (■) of the one-sided reference conveyance type.
is fixed, and only the other regulating member 2 (work) is movable.
（発明の効果）
以上のように本発明に憤れば．可動の規制部材を截置シ
ート材の輻に合せて寄せ移動操作したとき、該規制部材
の内向き座板部分の縁部が載置シート材の側面に引っか
かって寄せ移動操作が阻害されたり、座坂部分とシート
材蔵置台との間隙にシート材側辺部が進入してかみ込ん
だりすることが厳に防止されるもので、可動の規制部材
の座坂部分を内向きとしたタイプの利点、即ち座坂部分
先外向きとしたタイプのものに比べて装置の小型化が可
能である等の利点を十分に生かして該内向きタイプのも
のを信頼性よく活用することが可能となる．(Effects of the invention) If you are angry about the invention as described above. When the movable regulating member is moved to match the radius of the placed sheet material, the edge of the inward seat plate portion of the regulating member may get caught on the side surface of the placed sheet material and the shifting operation is obstructed. This is a type that strictly prevents the side edge of the sheet material from entering and getting caught in the gap between the seat slope part and the sheet material storage stand. It is possible to utilize the inward-facing type with high reliability by taking full advantage of its advantages, such as the ability to make the device smaller compared to the type with the seat slope facing outward. ．．
Claims (1)
給送方向と直角方向の両側に夫々位置して載置シート材
の両側面部を位置規制する第１と第２の規制部材を有し
、その両規制部材のうち少なくとも一方の規制部材は他
方の規制部材との間隔を載置シート材のサイズに応じて
広狭調節できる可動の部材であり、該可動の規制部材は
シート材載置台上を摺動する座板部分と、これに一体の
シート材側面部に対向する規制壁部分を有し、該座板部
分は他方の規制部材との間隔部側である内向きに張り出
している構成のシート材セット部を備えているシート材
給送装置において、シート材載置台上を摺動する上記可
動の規制部材の内向き張り出し座板部分の一部をシート
材載置台の上面より下に位置するようにし、そこから連
なる座板縁部を載置シート材の側辺に対して斜めになる
ようにしたことを特徴とするシート材給送装置。(1) A sheet material placement table, and first and second regulations located on both sides of the sheet material placed on the placement table in the direction perpendicular to the feeding direction, respectively, to regulate the position of both side surfaces of the sheet material placed on the placement table. At least one of the two regulating members is a movable member that can adjust the distance between it and the other regulating member depending on the size of the sheet material to be placed; It has a seat plate part that slides on the material mounting table, and a regulation wall part that is integral with the seat plate part and faces the side part of the sheet material. In a sheet material feeding device equipped with a sheet material setting section having a projecting configuration, a part of the inwardly projecting seat plate portion of the movable regulating member that slides on the sheet material mounting table is attached to the sheet material setting section. A sheet material feeding device characterized in that the seat plate is located below the top surface, and the seat plate edge extending from the seat plate edge is diagonal to the side of the placed sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1054738A JPH02233420A (en) | 1989-03-07 | 1989-03-07 | Sheet member feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1054738A JPH02233420A (en) | 1989-03-07 | 1989-03-07 | Sheet member feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02233420A true JPH02233420A (en) | 1990-09-17 |
Family
ID=12979127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1054738A Pending JPH02233420A (en) | 1989-03-07 | 1989-03-07 | Sheet member feeding device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02233420A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007076842A (en) * | 2005-09-15 | 2007-03-29 | Brother Ind Ltd | Document holding tray, document conveying device, and image reading device |
| JP2022052268A (en) * | 2020-09-23 | 2022-04-04 | シャープ株式会社 | Document feeder and image forming device equipped with same |
-
1989
- 1989-03-07 JP JP1054738A patent/JPH02233420A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007076842A (en) * | 2005-09-15 | 2007-03-29 | Brother Ind Ltd | Document holding tray, document conveying device, and image reading device |
| US8282094B2 (en) | 2005-09-15 | 2012-10-09 | Brother Kogyo Kabushiki Kaisha | Document holding tray, document conveying apparatus, and image reading apparatus |
| JP2022052268A (en) * | 2020-09-23 | 2022-04-04 | シャープ株式会社 | Document feeder and image forming device equipped with same |
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