JPS58144857A - Original conveyor - Google Patents
Original conveyorInfo
- Publication number
- JPS58144857A JPS58144857A JP2826882A JP2826882A JPS58144857A JP S58144857 A JPS58144857 A JP S58144857A JP 2826882 A JP2826882 A JP 2826882A JP 2826882 A JP2826882 A JP 2826882A JP S58144857 A JPS58144857 A JP S58144857A
- Authority
- JP
- Japan
- Prior art keywords
- belt
- document
- friction
- glass
- original
- 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.)
- Granted
Links
Landscapes
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
辣」し1野
本発明は複写機等の原稿搬送装置に関し、さらに詳しく
は、複写機の原稿載置台上の所定の露光位置に、無端状
ベルトを用いた搬送機構によって原稿を搬送するように
なした原稿搬送装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a document conveying device such as a copying machine, and more specifically, to a document conveying device such as a copying machine, and more specifically, to a document conveying device such as a copying machine, a document conveying mechanism using an endless belt is placed at a predetermined exposure position on a document placing table of a copying machine. The present invention relates to a document conveying device configured to convey a document.
従来技術
一般に、この種の原稿搬送装置は、たとえば第1図に示
すように、複写機本体の原稿台ガラス(20)の上面に
沿って原稿搬送装置のベルト(30)を矢印(A)方向
に駆動し、適宜な機構によってガイド部材(10)とベ
ルl−(30)との間に送り込まれてくる原稿(図示せ
ず)を、ベルト(30)とガラス(20)との間に挾み
込んで搬送するような構成を有−する。BACKGROUND OF THE INVENTION In general, this type of document conveyance device runs a belt (30) of the document conveyance device in the direction of arrow (A) along the top surface of a document table glass (20) of a copying machine main body, as shown in FIG. 1, for example. A document (not shown) that is fed between the guide member (10) and the bell (30) by an appropriate mechanism is sandwiched between the belt (30) and the glass (20). It has a structure that allows it to be loaded and transported.
このような原稿搬送装置において従来用いられていたベ
ルト材、たとえはCR(商品名;クロロプレン系ゴム)
、塩化ポリエチレン、ハイパロン(商品名;クロロスル
フォン化ポリエチレン)等のBll、 ”ベルトと原稿
台ガラスとの間のY擦係数か比較的大きく、またこの摩
擦係数がベルトと原稿(普通紙)との間の摩擦係数より
も大であるという特性を有し、ベルトII動時、ベルト
と原稿台ガラスとの間の摩擦接触によってベルトに振動
が生じ、これが原稿の搬送不良を引起こす原因となり、
またベルト搬送のための駆動トルクを大きくしなければ
ならないといった実用上の不都合を有していた。Belt materials conventionally used in such document conveyance devices, such as CR (trade name: chloroprene rubber)
, chlorinated polyethylene, Hypalon (trade name: chlorosulfonated polyethylene), etc., the Y friction coefficient between the belt and the document platen glass is relatively large, and this friction coefficient is the same between the belt and the document (plain paper). When Belt II moves, frictional contact between the belt and the platen glass causes vibrations in the belt, which causes poor document conveyance.
Further, there is a practical disadvantage that the driving torque for conveying the belt must be increased.
目的
本発明はこのような点に着目してなされたものであり、
合成樹脂繊維等の芯体にポリウレタンゴム等を被覆して
形成したベルトを用いることにより、ベルトと原稿台ガ
ラスとの間の摩擦係数を小さくし、かつこの摩擦係数が
ベルトと原稿との間の摩擦係数よりも小となるようにし
て、原稿の搬゛送性及び駆動トルクの問題を解消した原
稿搬送装置を提供することを目的とするものである。Purpose The present invention has been made with attention to these points,
By using a belt formed by coating a core such as synthetic resin fiber with polyurethane rubber, etc., the coefficient of friction between the belt and the document table glass is reduced, and this friction coefficient also reduces the friction coefficient between the belt and the document. It is an object of the present invention to provide a document conveying device that solves the problems of document conveyance and driving torque by making the friction coefficient smaller than the friction coefficient.
実施例
第1図は本発明に係る原稿搬送装置の1実施例を示し、
概略、給紙部(1)と、ガイド部材(10)と、搬送ベ
ルl−(30)と排紙部(40)とから構成され、複写
機の原稿ガラス(20)の下部には走査露光装置((5
0)、感光体ドラム(6o)等が設置されている。Embodiment FIG. 1 shows an embodiment of the document conveying device according to the present invention.
It is roughly composed of a paper feed section (1), a guide member (10), a transport bell (30), and a paper discharge section (40). Device ((5
0), a photoreceptor drum (6o), etc. are installed.
給紙部(1)はガイド板(2)・(3)にて給紙通路(
4)が形成され、この給紙通路(4)には原稿の給紙検
出センサ(5)、ストッパ爪(6)、対向するピンチロ
ーラ(7)、補助ローラ(8)が設置されている。給紙
検出センサ(5)は原稿先端が通過したときにオンし、
原稿後端が通過したときにオフする。ストッパ爪(6)
は常時給紙通路(4)に進入し、挿入された原稿の先端
を係止するも、前記センサ(5)の先端検出信号にて一
定の時間遅れをもって動作する解除ソレノイド(図示せ
ず)によって第1図中時計回り方向に回動し、給紙通路
(4)から退避する。ピンチローラ(7)は常時補助ロ
ーラ(8)から離間して給紙通路(4)を開放するも、
前記センサ(5)の先端検出信号にて一定の時間遅れを
もって動作する圧着ソ゛レノイド(図示せず)によって
補助ローラ(8)に圧着する。そして、補助ローラ(8
)はピンチローラ(7)の圧着ののち駆動ソレノイド(
図示せず)がオンして、′$1図中時計回り方向に回転
駆動される。The paper feed section (1) is connected to the paper feed path (
4), and this paper feed path (4) is provided with a document feed detection sensor (5), a stopper claw (6), an opposing pinch roller (7), and an auxiliary roller (8). The paper feed detection sensor (5) turns on when the leading edge of the document passes.
Turns off when the trailing edge of the document passes. Stopper claw (6)
enters the paper feed path (4) at all times and locks the leading edge of the inserted document, but a release solenoid (not shown) operates with a certain time delay based on the leading edge detection signal of the sensor (5). It rotates clockwise in FIG. 1 and retreats from the paper feed path (4). Although the pinch roller (7) is always separated from the auxiliary roller (8) to open the paper feed path (4),
It is pressed against the auxiliary roller (8) by a pressing solenoid (not shown) which operates with a certain time delay based on the tip detection signal of the sensor (5). Then, the auxiliary roller (8
) is the drive solenoid (
(not shown) is turned on, and '$1 is rotated clockwise in the figure.
なお、前記ストッパ爪(6)の解除ソレノイド、ピンチ
ローラ(7)の圧着ソレノイド、補助ローラ(8)の駆
動ソレノイドはそれぞれセンサ(5)の後端検出信号に
て一定の時間遅れをもってオフされる。。The release solenoid for the stopper claw (6), the pressure solenoid for the pinch roller (7), and the drive solenoid for the auxiliary roller (8) are each turned off with a certain time delay based on the rear end detection signal of the sensor (5). . .
ガイド部材(10)は原稿ガラス(2o)の端部と給紙
部(11)との間に設置したもので、上面は前記給紙通
路(4)の端部から僅かに下方に傾斜し、先端はストッ
パ段部(11)とされている。The guide member (10) is installed between the end of the document glass (2o) and the paper feed section (11), and its upper surface is slightly inclined downward from the end of the paper feed path (4). The tip is a stopper step (11).
搬送ベルト(30)は駆動ローラ(31)とテンション
ローラ(32)との間に張設したもので、押えローラ(
36)・(38)にて裏面側から押圧され、前記ガイド
部材(10)上、原稿ガラス(20)上に摺接状態で正
逆回転可能な駆動ローラ(31)にて矢印(A1方向あ
るいは反矢印(A)方向に回転駆動される。テンション
ローラ(32)は、引張りコイルばね(35)等により
右方に付勢されている。押えローラ(37)は、前記ガ
イド部材(10)に対向するように支軸(37)に固定
され、支軸(37)は回転かつ上下動自在に装着されて
いる。The conveyor belt (30) is stretched between the drive roller (31) and the tension roller (32), and is stretched between the drive roller (31) and the tension roller (32).
36) and (38) from the back side, and the drive roller (31), which can be rotated in forward and reverse directions while slidingly contacting the guide member (10) and the document glass (20), moves the arrow (A1 direction or The tension roller (32) is rotated in the direction opposite to the arrow (A).The tension roller (32) is biased to the right by a tension coil spring (35) or the like.The presser roller (37) is attached to the guide member (10). They are fixed to a support shaft (37) so as to face each other, and the support shaft (37) is mounted so as to be rotatable and movable up and down.
また、支軸(37)の両端はトーションはね(26)等
によって下方に付勢され、この付勢力にて押えローラ(
36)が搬送ベルト(30)の裏面側を押圧し、表面側
がベルl−(30)自身の弾性にてガイド部材(1o)
に沿うように押圧する。一方、いまひとつの押えローラ
(38)も回転かつ上下動自在に装着され、前記と同様
の構成にて下方に付勢され、搬送ベルト(3o)の表面
側が原稿ガラス(20)上を摺接するように押圧してい
る。Further, both ends of the support shaft (37) are urged downward by a torsion spring (26) or the like, and this urging force causes the presser roller (
36) presses the back side of the conveyor belt (30), and the front side is guided by the guide member (1o) by the elasticity of the bell l-(30) itself.
Press along the On the other hand, another presser roller (38) is also rotatably and vertically movable, and is biased downward in the same configuration as above, so that the front surface side of the conveyor belt (3o) comes into sliding contact with the original glass (20). is being pressed.
なお、この搬送ベル) (30)は上記給紙検出センサ
(5)のオン・オフとタイマの組合せにて正転、逆転、
停止を適宜制御される。Note that this conveyor belt (30) can be rotated forward, reverse, or
Stopping is controlled as appropriate.
排紙部(40)はガイド板(41)−(42)にて排紙
通路(44)が形成され、ガイド板(42)の端部は搬
送ベルト(30)上から前記給紙部fil上まで延在さ
れ、排出トレイ(43)を構成している。また、排紙通
路(44)には原稿の排紙検出センサ(45)、一対の
排出ローラ(46)・(46)が設置されている。排紙
検出センサ(45)は原稿先端が通過したときにオンし
、原稿後端が通過したときにオフする。排出ローラ(4
6)・(46)はセンサ(45)の先端検出信号にて回
転駆動され、センサ(45)の後端検出信号にて一定の
時間遅れをもって回転が停止される。In the paper discharge section (40), a paper discharge path (44) is formed by guide plates (41)-(42), and the end of the guide plate (42) is connected from above the conveyor belt (30) to above the paper feed section fil. The discharge tray (43) is extended to the top and constitutes a discharge tray (43). Further, a document discharge detection sensor (45) and a pair of discharge rollers (46) and (46) are installed in the paper discharge path (44). The discharge detection sensor (45) is turned on when the leading edge of the document passes, and is turned off when the trailing edge of the document passes. Ejection roller (4
6) and (46) are rotated by the front end detection signal of the sensor (45), and the rotation is stopped with a certain time delay by the rear end detection signal of the sensor (45).
一方、走査露光装置(5o)は露光ランプ(5])、ミ
ラー(52)〜(55)、レンズ(56)からなる周知
の構成を有し、第1図中時計回り方向に回転駆動可能な
感光体ドラム(60)の周囲には、帯電用チャージャ(
61)・現像装置(62)・転写用チャージャ(63)
・クリーニング装置(64)等、周知の作像エレメント
が配置されている。On the other hand, the scanning exposure device (5o) has a well-known configuration consisting of an exposure lamp (5]), mirrors (52) to (55), and a lens (56), and is rotatable in the clockwise direction in FIG. A charging charger (
61)・Developing device (62)・Transfer charger (63)
- Well-known image forming elements such as a cleaning device (64) are arranged.
以上の如く構成される原稿搬送装置において、ベルト(
30)は第2図にその断面図が示されるように形成され
る。In the document conveying device configured as described above, the belt (
30) is formed as shown in cross-section in FIG.
即ち、ベルト(30)は芯体(301)の外面に被覆材
(302)を被覆して形成され、芯体(301)はナイ
ロン・ポリエステル等の合成樹脂の繊維を織り合せたも
のであり、被覆材としてはポリウレタンゴム等が用いら
れる。That is, the belt (30) is formed by covering the outer surface of a core body (301) with a covering material (302), and the core body (301) is made by interweaving synthetic resin fibers such as nylon and polyester. Polyurethane rubber or the like is used as the covering material.
なお、この実施例においては、芯体の厚さは、()2〜
04燗のものを用い、被覆後のベルト厚みか05〜0.
7 mとなるように形成した。In this example, the thickness of the core is ()2~
The thickness of the belt after coating is 05 to 0.04.
It was formed to have a length of 7 m.
芯体としては、その柔軟性や耐久性等を考慮して適宜な
ものを用い得るが、上記のように合成樹脂繊維を織り合
せて形成する場合、ベルトの搬送方向と略直角な方向の
繊維の密度を犬とすることにより、横剛性を強くし、こ
れによってベルトの蛇行を防止できる。Any suitable material can be used as the core material considering its flexibility, durability, etc. However, when forming the core material by interweaving synthetic resin fibers as described above, the core material may be made of fibers in a direction substantially perpendicular to the conveyance direction of the belt. By increasing the density of the belt, the lateral rigidity can be increased, thereby preventing the belt from meandering.
第3図に示すように、原稿(100)がベル) (30
)によって搬送されるとき、ベルI’ (30)・原稿
(1,00)及び原稿台ガラス(20)は、それぞれの
間の摩擦係数(μA)・(μB)・(μC)の影響を受
け、ベルト(30)と原稿台ガラス(20)との間の摩
擦係数(μB)が、ベル]・(30)と原稿(100)
との間の摩擦係数(μA)よりも大である場合、ベルト
(30)の振動か原稿(100)の搬送力に大きく影響
するものであることは上述した通りである。なお、原稿
(100)とガラス(20)との間の摩擦係数(μC)
は、μA〉μCの条件で原稿かベルト(30)によって
搬送されるものであり、通贋(/・A)や(μC)に比
して充分小さい。As shown in Figure 3, the original (100) is
), the bell I' (30), the document (1,00), and the document table glass (20) are affected by the friction coefficients (μA), (μB), and (μC) between them. , the coefficient of friction (μB) between the belt (30) and the original platen glass (20) is Bel]・(30) and the original (100)
As described above, if the friction coefficient (μA) between the belt (30) and the belt (30) is greater than the friction coefficient (μA), the vibration of the belt (30) will greatly affect the conveyance force of the original (100). In addition, the coefficient of friction (μC) between the original (100) and the glass (20)
The document is conveyed by the belt (30) under the condition μA>μC, and is sufficiently small compared to the pass (/·A) and (μC).
表1に上述した従来のベルト材による摩擦係数(μA)
と(μB)の測定結果を、表2に本発明のベルトを用い
たときの同様な測定結果をそれぞれかす。Table 1 shows the friction coefficient (μA) of the conventional belt material described above.
Table 2 shows the measurement results of and (μB), and the similar measurement results when using the belt of the present invention.
なお、測定にあたっては、協和科学(株)の動摩擦係数
精密測定装置DFPM形を用い、原稿としては坪量64
2の上質紙を用いた。For the measurements, we used a dynamic friction coefficient precision measuring device DFPM model manufactured by Kyowa Kagaku Co., Ltd., and the manuscript had a basis weight of 64.
No. 2 high-quality paper was used.
表1
表2
本発明においてベルト被覆材として用いたポリウレタン
コムは、ポリエステルとインシアネートとを、ジオール
、トリオール、ジアミン等の架橋剤として反応させて得
られるものであり、成分比率や添加物等の諸条件によっ
てその特性も異なる。Table 1 Table 2 The polyurethane comb used as the belt covering material in the present invention is obtained by reacting polyester and incyanate as a crosslinking agent such as diol, triol, diamine, etc., and the component ratio and additives etc. Its characteristics vary depending on various conditions.
上記表2におけるポリウレタン(Al・(B)・(C)
は、このように特性の若干異なるポリウレタン三種を被
覆したベルトを用いて測定を行ったことを示している。Polyurethane (Al・(B)・(C)) in Table 2 above
shows that measurements were performed using a belt coated with three types of polyurethane having slightly different properties.
上記表1・2から明らかな如く、従来のベルト材におい
てはベルトと原稿台ガラスとの間の摩擦係数(μB)が
比較的大きく、またこの(μB)かべJレトと原稿との
間の摩擦係数(μA)よりも火であるのに対し、本発明
のものは(μB)がいずれも従来のものよりはるかに小
さく、またμA〉μBなる条件を満たしており、これに
よってベルト駆動時の振動や摩擦帯電等が生しにくく、
またたとえ振動してもベルトと原稿との間の摩擦係数が
ベルトとカラスとの間のそれよりも大であるから、原稿
のベルトに対する追従性か良く、搬送性が良くなる。As is clear from Tables 1 and 2 above, in conventional belt materials, the coefficient of friction (μB) between the belt and the document table glass is relatively large, and the coefficient of friction (μB) between the wall and the original is relatively large. The coefficient of friction (μA) is much lower than that of the friction coefficient (μA), whereas the friction coefficient (μB) of the present invention is much smaller than that of the conventional one, and also satisfies the condition μA>μB. Vibration and frictional charging are less likely to occur,
Furthermore, even if the belt vibrates, the coefficient of friction between the belt and the document is greater than that between the belt and the crow, so that the document follows the belt well and conveyance is improved.
なお、ベルトとガラスとの間の摩擦係数(/I旧か犬で
あるほどベルトを駆動するトルクか増−4″ことは明ら
かであり、本発明のベルトは従来のものに比してこの意
味においても大きな実用上の利点を有するものであって
、具体的には、対ガラスの摩擦係数が15である従来の
ベルトを駆動する時、モータの駆動トルクが約2 Kg
であるのに対し、対ガラスの摩擦係数が0.4である本
発明のベルトを駆動する時は、トルクは約I Kgで良
いことが実験により確かめられている。この実験に用い
たベルトはいずれも厚さ0.5me長さ1o22唄・巾
304咽−重さ250rrwである。It is clear that the coefficient of friction between the belt and the glass (/I) is 4", the older the belt, the greater the torque driving the belt. The belt of the present invention has a higher friction coefficient than the conventional one. Specifically, when driving a conventional belt with a friction coefficient of 15 against glass, the driving torque of the motor is approximately 2 kg.
On the other hand, it has been confirmed through experiments that when driving the belt of the present invention, which has a friction coefficient of 0.4 with respect to glass, the torque is only about I kg. The belts used in this experiment each had a thickness of 0.5 me, a length of 1 o22 mm, a width of 304 mm, and a weight of 250 rr.
効果
以上説明したように本発明は、ベルトを駆動することに
よって原稿を原稿台ガラス上の所定位置まで搬送するよ
うになした原稿搬送装置において、ベルトと原稿台ガラ
スとの間の摩擦係数μBとベルトと原稿との間の摩擦係
数μAとが、μA〉μBとなるようにベルト被覆材を選
択してベルトを形成した原稿搬送装置であるから、ベル
トに対する原稿の追従性が良く、ベルトの振動等によっ
て原稿の萄送に悪影響が生じることが防止できるという
効果を有する。Effects As explained above, the present invention provides a document transport device that transports an original to a predetermined position on the document glass by driving a belt, and the friction coefficient μB between the belt and the document glass is Since the belt is formed by selecting a belt covering material so that the coefficient of friction μA between the belt and the document satisfies μA>μB, the document can easily follow the belt and vibrations of the belt can be reduced. This has the effect of preventing adverse effects on document feeding due to such factors.
また被覆材としてポリウレタンゴムを用いると上記μB
が従来のものに比してきわめて小さくなりベルト駆動時
のトルクが小さくできる。In addition, when polyurethane rubber is used as a covering material, the above μB
is extremely small compared to the conventional one, and the torque when driving the belt can be reduced.
さらに、上記ベルトの芯体として合成樹脂繊維を織った
ものを用い、ベルト横方向の繊維密度を大とすることに
より、ベルトの蛇行防止が容易となる。Furthermore, by using a woven synthetic resin fiber as the core of the belt and increasing the fiber density in the transverse direction of the belt, it becomes easier to prevent the belt from meandering.
第1図は原稿搬送装置の概略構成を示す図、第2図はベ
ルトの構造を示す断面図、第3図はベルトと原稿と原稿
台ガラスとの関連を示す図である。
20・・原稿台ガラス、30・・・ベルト、100−・
・原稿301・・ベルト芯体、302・・・ベルト被覆
材μA・・・ベルトと原稿との間の摩擦係数μB・・・
ベルトとガラスとの間の摩擦係数出願人 ミノルタカメ
ラ株式会社FIG. 1 is a diagram showing a schematic configuration of the document conveying device, FIG. 2 is a sectional view showing the structure of a belt, and FIG. 3 is a diagram showing the relationship between the belt, the document, and the document table glass. 20...Original table glass, 30...Belt, 100-...
・Document 301...Belt core, 302...Belt covering material μA...Friction coefficient μB between the belt and the document...
Coefficient of friction between belt and glass Applicant: Minolta Camera Co., Ltd.
Claims (1)
ラス上の所定位置まで搬送するよう(こなしtこ原稿搬
送装置において、ベルトと原稿台ガラスとの間の摩擦係
数μBと、ベルトと1県稿との間の摩擦係数μAとが、
μA〉μBとなるよう【こベル1ト被覆材を選択してベ
ルトを形成したことを特徴とする原稿搬送装置。 2゜」1記ベルト被覆材かポ1ノウレタンコ゛ムカ)ら
成る特許請求の範囲第1項言己載の原稿搬送装置。 6゜上記ベルトが芯体と被覆材とで形成され、該芯体が
、合成樹脂繊維を織ってJ形成されるものであって、ベ
ルト横方向の繊糸化密度を大としたことを特徴とする特
許請求の範囲第1項又(ま第2項記載の原稿搬送装置。[Scope of Claims] 1° The document is conveyed to a predetermined position on the platen glass by driving a belt (in this document conveying device, the friction coefficient μB between the belt and the platen glass is and the coefficient of friction μA between the belt and the paper,
A document conveying device characterized in that a belt is formed by selecting a coating material such that μA>μB. 2. A document conveying device according to claim 1, comprising: (1) a belt covering material (1) or a polyurethane coating material (1). 6゜The above-mentioned belt is formed of a core body and a covering material, and the core body is formed by weaving synthetic resin fibers, and the belt is characterized in that the fiber density in the transverse direction of the belt is increased. A document conveying device according to claim 1 or (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2826882A JPS58144857A (en) | 1982-02-23 | 1982-02-23 | Original conveyor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2826882A JPS58144857A (en) | 1982-02-23 | 1982-02-23 | Original conveyor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58144857A true JPS58144857A (en) | 1983-08-29 |
JPH0546548B2 JPH0546548B2 (en) | 1993-07-14 |
Family
ID=12243825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2826882A Granted JPS58144857A (en) | 1982-02-23 | 1982-02-23 | Original conveyor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58144857A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4424247Y1 (en) * | 1965-06-08 | 1969-10-14 | ||
JPS5548137U (en) * | 1978-09-22 | 1980-03-29 | ||
JPS5592126U (en) * | 1978-12-21 | 1980-06-25 | ||
JPS5781041A (en) * | 1980-11-10 | 1982-05-20 | Nitta Kk | Endless belt for conveying sheet |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5381402A (en) * | 1976-12-28 | 1978-07-18 | Sato Kouichi | Preparation of boring rod |
-
1982
- 1982-02-23 JP JP2826882A patent/JPS58144857A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4424247Y1 (en) * | 1965-06-08 | 1969-10-14 | ||
JPS5548137U (en) * | 1978-09-22 | 1980-03-29 | ||
JPS5592126U (en) * | 1978-12-21 | 1980-06-25 | ||
JPS5781041A (en) * | 1980-11-10 | 1982-05-20 | Nitta Kk | Endless belt for conveying sheet |
Also Published As
Publication number | Publication date |
---|---|
JPH0546548B2 (en) | 1993-07-14 |
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