JPH0225588Y2 - - Google Patents
Info
- Publication number
- JPH0225588Y2 JPH0225588Y2 JP1983152562U JP15256283U JPH0225588Y2 JP H0225588 Y2 JPH0225588 Y2 JP H0225588Y2 JP 1983152562 U JP1983152562 U JP 1983152562U JP 15256283 U JP15256283 U JP 15256283U JP H0225588 Y2 JPH0225588 Y2 JP H0225588Y2
- Authority
- JP
- Japan
- Prior art keywords
- spot welding
- support member
- guide pin
- welding gun
- guide groove
- 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.)
- Expired
Links
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案はスポツト溶接装置の技術分野に利用
する装置の改良に係り、特にスポツト溶接点を結
ぶ軌跡が楕円形その他の異形曲線の場合にも自動
的にスポツト溶接しうるようにした装置に関する
ものである。[Detailed description of the invention] (Field of industrial application) This invention relates to the improvement of a device used in the technical field of spot welding equipment, and is particularly applicable to cases where the locus connecting spot welding points is an ellipse or other irregular curve. This invention relates to a device that can automatically perform spot welding.
（従来の技術）
スポツト溶接装置でワークを自動的にスポツト
溶接する場合に、そのスポツト溶接点を結ぶ軌跡
が直線である場合は、比較的簡単な構造の装置で
実施しうる（例えば実開昭55−4837号公報参照）。(Prior art) When automatically spot welding workpieces using a spot welding device, if the locus connecting the spot welding points is a straight line, it can be carried out using a device with a relatively simple structure (for example, (See Publication No. 55-4837).
（考案が解決しようとする課題）
しかしながら、それ以外の曲線の軌跡を有する
ワークの場合は、従来は手作業によらざるを得な
かつた。従つて、溶接ミス、チリの発生、圧痕な
どの欠点により品質が均一とならないのみなら
ず、作業能率も低いという問題があつた。(Problem to be solved by the invention) However, in the case of workpieces having other curved loci, conventional work had to be done manually. Therefore, there was a problem that not only the quality was not uniform due to defects such as welding errors, generation of dust, and impressions, but also the work efficiency was low.
この考案においては、スポツト溶接点の軌跡が
円形以外の形、例えば楕円形その他の異形の場合
でも、このスポツト溶接が自動的に行い得るのみ
ならず、スポツト溶接ガンの移動に伴つて該溶接
ガンに接続されるケーブルの方向が変化するが、
その方向を一定として、スポツト溶接ガンの位置
のいかんに拘らず、ケーブルの処置を容易とし
た、スポツト溶接装置を提供することをその目的
とする。 In this invention, even if the locus of the spot welding point is in a shape other than circular, such as an ellipse or other irregular shape, not only can this spot welding be performed automatically, but also the welding gun can be moved automatically as the spot welding gun moves. Although the direction of the cable connected to the
It is an object of the present invention to provide a spot welding device in which cables can be easily handled regardless of the position of a spot welding gun by keeping the direction constant.
（課題を解決するための手段）
上記目的を達成するため、この考案の解決手段
は、スポツト溶接ガンをワーク上で非円形曲線に
沿つて移動させて溶接するスポツト溶接装置を対
象とする。そして、上下方向の主軸によつて支承
され、駆動装置によつて揺動駆動される回動部材
と、該回動部材の半径方向に移動自在に該回動部
材に基端が支持され、先端にガイドピンを具備す
る第１支持部材と、この第１支持部材の前記ガイ
ドピンを遊嵌案内する第１ガイド溝が設けられ前
記ガイドピンに所定の非円形軌跡を与える第１ガ
イド部材とを具備する。さらに、前記第１支持部
材の前記基端に設けた軸受に枢支した上下方向の
第２支軸によつて基端が回動自在に支承された第
２支持部材と、この第２支持部材に前記第２支軸
と同心に、かつ、下向に設けられたスポツト溶接
ガンとを具備する。その上で、前記第２支持部材
に設けられ、前記スポツト溶接ガンの前記第２支
軸回りの回動角を一定とする第２ガイド溝と、こ
の第２ガイド溝に遊嵌された固定ガイドピンとを
具備してなるものとする。(Means for Solving the Problems) In order to achieve the above object, the solving means of this invention targets a spot welding device that welds by moving a spot welding gun along a non-circular curve on a workpiece. The rotary member is supported by a main shaft in the vertical direction and is swing-driven by a drive device; a first support member provided with a guide pin on the first support member; and a first guide member provided with a first guide groove for loosely fitting and guiding the guide pin of the first support member and giving the guide pin a predetermined non-circular trajectory. Be equipped. Further, a second support member whose base end is rotatably supported by a vertically extending second support shaft pivoted on a bearing provided at the base end of the first support member; and a spot welding gun provided concentrically with the second support shaft and facing downward. Further, a second guide groove provided in the second support member and for making a rotation angle of the spot welding gun about the second support shaft constant; and a fixed guide loosely fitted in the second guide groove. It shall be equipped with a pin.
（作用）
これにより、この考案では、駆動装置によつて
回動部材を回動させると、第１支持部材先端のガ
イドピンが第１ガイド部材の第１ガイド溝によつ
て案内される故、第１支持部材は回動部材に沿つ
て半径方向に摺動する。この状態において、スポ
ツト溶接ガンによりスポツト溶接する。この場所
において、第２支持部材の第２ガイド溝と固定ガ
イドピンとの構成により、スポツト溶接ガン及び
その給電ケーブルの向きは一定に保ち、ねじれ、
よじれなどの不都合が生じない。(Function) Accordingly, in this invention, when the rotating member is rotated by the drive device, the guide pin at the tip of the first support member is guided by the first guide groove of the first guide member. The first support member slides radially along the pivot member. In this state, spot welding is performed using a spot welding gun. At this location, due to the configuration of the second guide groove of the second support member and the fixed guide pin, the direction of the spot welding gun and its power supply cable is kept constant, and the direction of the spot welding gun and its power supply cable is maintained constant, and no twisting occurs.
No inconveniences such as twisting occur.
（実施例）
以下、図面を参照しつつこの考案の一実施例を
詳述する。(Example) Hereinafter, an example of this invention will be described in detail with reference to the drawings.
第１図においてこの考案の実施例に係るスポツ
ト溶接装置の全体を示しており、基体１の下部に
はワークＷを取り付けるワーク固定台２を備えて
いる。ワーク固定台２の上部はワークＷの取り付
け治具２ａが設けられている。 FIG. 1 shows the entirety of a spot welding apparatus according to an embodiment of this invention, in which a workpiece fixing table 2 on which a workpiece W is attached is provided at the lower part of a base body 1. A workpiece W mounting jig 2a is provided on the upper part of the workpiece fixing table 2.
このスポツト溶接装置のスポツト溶接ガンは一
定の軌跡に沿つて位置を変え、かつ、該溶接ガン
が若干の角度を回動する運動を位置姿勢制御装置
３によつて行わせている。位置姿勢制御装置３に
は、２組のスポツト溶接ガン４が下向きに設けら
れている。また、位置姿勢制御装置３に対する駆
動装置としてはシリンダ装置５が設けられてい
る。 The spot welding gun of this spot welding apparatus changes its position along a fixed trajectory, and the position and orientation control device 3 causes the welding gun to rotate through a certain angle. The position and orientation control device 3 is provided with two sets of spot welding guns 4 facing downward. Furthermore, a cylinder device 5 is provided as a drive device for the position and orientation control device 3.
以下、位置姿勢制御装置３の詳細につき第２図
乃至第４図を参照して説明する。なお、第３図に
は、スポツト溶接ガン４の１組のみに関連して実
線で示し、他の１組については２点鎖線で一部を
省略して示している。 Details of the position and orientation control device 3 will be explained below with reference to FIGS. 2 to 4. In FIG. 3, only one set of spot welding guns 4 is shown with a solid line, and the other set is shown with a two-dot chain line with some parts omitted.
シリンダ装置５によつてある角度範囲内で揺動
させられるべく、上下方向の主軸６が基体１に垂
直に支承されている。該主軸６の下端には水平に
回動部材７が固設されている。回動部材７はこの
実施例では断面工型の鋼材を使用している。 A vertical main shaft 6 is supported perpendicularly to the base body 1 so that it can be swung within a certain angular range by a cylinder device 5 . A rotating member 7 is horizontally fixed to the lower end of the main shaft 6. In this embodiment, the rotating member 7 is made of steel with a cross-sectional shape.
回動部材７には第１支持部材８の基端の摺動部
８ａが支承され、回動部材７の半径方向（水平方
向）に移動自在になつている。第１支持部材８の
先端には上下方向の第１支軸８ｂが設けられ、こ
れにガイドピン９が枢支されている。 A sliding portion 8a at the proximal end of the first support member 8 is supported by the rotating member 7, and the rotating member 7 is movable in the radial direction (horizontal direction). A first support shaft 8b in the vertical direction is provided at the tip of the first support member 8, and a guide pin 9 is pivotally supported on this.
第１ガイド部材１０は内側に第１ガイド溝１０
ａが刳設され、基体１の取付具１ｃに固設されて
いる。第１ガイド溝１０ａには前記ガイドピン９
が遊嵌されている。 The first guide member 10 has a first guide groove 10 inside.
a is carved out and fixed to the fixture 1c of the base 1. The guide pin 9 is provided in the first guide groove 10a.
is loosely fitted.
第１支持部材の摺動部８ａの下方に軸受８ｃが
設けられ、これに上下方向の第２支軸１１が枢支
されている。第２支軸１１には水平方向の第２支
持部材１２の基端が固着されている。さらに、該
第２支持部材１２の基端には、第２支軸１１と同
心に下方に向けてスポツト溶接ガン４を保持し該
スポツト溶接ガンを圧下するためのシリンダ装置
４ａが設けられている。シリンダ装置４ａとスポ
ツト溶接ガン４とは相互の回り止め手段が構じら
れている。４ｂはスポツト溶接ガン４に対する給
電ケーブルである。 A bearing 8c is provided below the sliding portion 8a of the first support member, and a second support shaft 11 in the vertical direction is pivotally supported on the bearing 8c. A base end of a horizontal second support member 12 is fixed to the second support shaft 11 . Furthermore, a cylinder device 4a is provided at the base end of the second support member 12 for holding the spot welding gun 4 facing downward concentrically with the second support shaft 11 and for lowering the spot welding gun. . The cylinder device 4a and the spot welding gun 4 are provided with mutual rotation prevention means. 4b is a power supply cable for the spot welding gun 4.
基体１と一体のガイドピン取付腕１ａに上下方
向の第３支軸１ｂが設けられ、該第３支軸１ｂ回
りに回動自在に固定ガイドピン１３が枢支されて
いる。一方、第２支持部材１２には第２ガイド溝
１２ａが設けられ、この第２ガイド溝１２ａに固
定ガイドピン１３が遊嵌され、これによつて第２
支持部材１２が一定の回動角になるように案内さ
れている。 A third support shaft 1b in the vertical direction is provided on the guide pin attachment arm 1a that is integral with the base body 1, and a fixed guide pin 13 is pivotally supported around the third support shaft 1b. On the other hand, the second support member 12 is provided with a second guide groove 12a, and the fixed guide pin 13 is loosely fitted into the second guide groove 12a.
The support member 12 is guided so as to have a constant rotation angle.
そして、この実施例では、ワークＷ（この場合
フユーエルタンクアツパー）をバツクバーＢ上に
位置決めし、さらにその上に外形が楕円形状のナ
ツトプレートＮ（この実施例では、第４図に示し
たように、楕円形板Naの上に予めナツトNbを２
個を取り付けたもの）を重ねて、楕円形軌跡上の
多数の点P1〜P10の個所でスポツト溶接しようと
するものである。従つて、第１ガイド溝１０ａの
形状は、ナツトプレートＮの中心Ｏと点P1〜P10
迄のいずれかとを結んで延長し、この延長の長さ
を第２支軸１１とガイドピン９との距離とした延
長点の軌跡に等しくする。また、第２ガイド溝１
２ａの形状は、回動部材７の回動に伴い、第１支
持部材８が摺動し、回動したとき、スポツト溶接
ガン４の第２支軸１１回りの回動角、すなわち給
電ケーブル４ｂの方向が変わらぬように、第２支
持部材１２の旋回角を定めるようになされてい
る。 In this embodiment, the work W (in this case, the fuel tank upper) is positioned on the back bar B, and a nut plate N having an elliptical outer shape (in this embodiment, the nut plate N shown in FIG. 4) is placed on top of the back bar B. As shown, 2 nuts Nb are placed on the oval plate Na in advance.
In this method, the two parts are stacked one on top of the other and spot welded at a number of points P1 to P10 on the elliptical locus. Therefore, the shape of the first guide groove 10a is between the center O of the nut plate N and the points P1 to P10.
The length of this extension is made equal to the locus of the extension point, which is the distance between the second support shaft 11 and the guide pin 9. In addition, the second guide groove 1
The shape of 2a is such that when the first support member 8 slides and rotates with the rotation of the rotation member 7, the rotation angle around the second support shaft 11 of the spot welding gun 4, that is, the power supply cable 4b The turning angle of the second support member 12 is determined so that the direction of the second support member 12 does not change.
以下、上記実施例の作用につき説明する。 The operation of the above embodiment will be explained below.
前述の如く、ワークＷを取り付け治具２ａによ
つてバツクバーＢ上に取り付け、それにナツトプ
レートＮを所定位置に重ねる。回動部材７は初め
は第３図に示す回動角であるものとし、スポツト
溶接ガン４の一方（第２図において２点鎖線で図
示した方）はナツトプレートＮの点P2の直上に、
また他方（第２図において実線で図示した方）は
点P1の直上にあるものとする。この状態でシリ
ンダ装置４ａ，４ａを作動すれば、スポツト溶接
ガン４，４は下降し、ある圧力で点P1およびP2
を押える。このとき、給電ケーブル４ｂ，４ｂか
らの給電により、点P1および点P2の個所はスポ
ツト溶接され、その後シリンダ装置４ａ，４ａの
復動によりスポツト溶接ガン４，４は元の位置に
上昇する。 As described above, the workpiece W is mounted on the back bar B using the mounting jig 2a, and the nut plate N is stacked on it at a predetermined position. The rotating member 7 is initially rotated at the angle shown in FIG. 3, and one side of the spot welding gun 4 (the one indicated by the two-dot chain line in FIG. 2) is placed directly above the point P 2 of the nut plate N. ,
The other one (indicated by a solid line in FIG. 2) is assumed to be directly above point P1 . If the cylinder devices 4a, 4a are operated in this state, the spot welding guns 4, 4 will be lowered, and the spots P1 and P2 will be reached at a certain pressure.
hold down. At this time, the points P 1 and P 2 are spot welded by the power supplied from the power supply cables 4 b, 4 b, and then the spot welding guns 4, 4 are raised to their original positions by the return movement of the cylinder devices 4 a, 4 a. .
次に、シリンダ装置５をある量だけ作動させ、
回動部材７を第３図において若干右回りに回動さ
せる。そうすると、ガイドピン９，９は第１ガイ
ド溝１０ａ，１０ａによつて案内される故、摺動
部材８ａ，８ａは回動部材７に沿つて半径方向外
側に若干摺動し、第３図２点鎖線で図示（但し片
方のみ図示し、他方は図示省略）した状態とな
る。この状態においては、スポツト溶接ガン４，
４は点P3およびP4の直上に位置する。そして、
前記と同様にしてシリンダ装置４ａ，４ａの作動
により、点P3およびP4の個所をスポツト溶接す
る。この場所において、第２支持部材１２，１２
の第２ガイド溝１２ａ，１２ａと固定ガイドピン
１３，１３との前記の構成により、各給電ケーブ
ル４ｂ，４ｂの向きは一定を保ち、ねじれ、よじ
れなどの不都合が生じない。 Next, actuate the cylinder device 5 by a certain amount,
Rotate the rotating member 7 slightly clockwise in FIG. 3. Then, since the guide pins 9, 9 are guided by the first guide grooves 10a, 10a, the sliding members 8a, 8a slide slightly outward in the radial direction along the rotating member 7, as shown in FIG. The state is shown by the dotted chain line (however, only one is shown and the other is omitted). In this state, the spot welding gun 4,
4 is located directly above points P 3 and P 4 . and,
In the same manner as described above, the cylinder devices 4a, 4a are operated to spot weld the points P3 and P4 . At this location, the second support members 12, 12
Due to the above-mentioned configuration of the second guide grooves 12a, 12a and the fixed guide pins 13, 13, the direction of each power supply cable 4b, 4b is kept constant, and problems such as twisting and twisting do not occur.
以下、同様にシリンダ装置５を逐次作動させ、
スポツト溶接ガン４，４を所定の点P5，P6…の
直上に位置させ、スポツト溶接作業を行うもので
ある。 Thereafter, the cylinder device 5 is sequentially operated in the same manner,
Spot welding guns 4, 4 are positioned directly above predetermined points P 5 , P 6 . . . to perform spot welding work.
この考案は前述実施例に限ることはなく、下記
の変形も可能である。 This invention is not limited to the above-mentioned embodiment, and the following modifications are also possible.
(イ) スポツト溶接点の軌跡は、第１ガイド溝の形
を変えることにより楕円以外の曲線にすること
ができる。(a) The locus of the spot welding point can be made into a curve other than an ellipse by changing the shape of the first guide groove.
(ロ) 駆動装置としては、シリンダ装置５以外の駆
動源であつてもよい。(b) The driving device may be a driving source other than the cylinder device 5.
(ハ) 回動部材７と摺動部材８ａとの相互の摺動は
他の手段によつても良い。(C) Mutual sliding between the rotating member 7 and the sliding member 8a may be performed by other means.
（考案の効果）
この考案は、ガイドピンを第１ガイド溝によつ
てガイドして、この第１ガイド溝の形状によつて
スポツト溶接ガンの位置を定めるようにしたか
ら、第１ガイド溝を所要の形状とすることによ
り、スポツト溶接ガンの先端位置の軌跡を楕円そ
の他所望の曲線とすることができる。さらに、第
２ガイド溝１２ａに固定ガイドピンを遊嵌して、
第２支持部材の向きをガイドし、これによつてス
ポツト溶接ガンの回動角、すなわち給電ケーブル
の向きを一定としたから、給電ケーブルがよじれ
ることも無いという、特有かつ顕著な効果を奏す
るものである。(Effect of the invention) In this invention, the guide pin is guided by the first guide groove, and the position of the spot welding gun is determined by the shape of the first guide groove. By forming it into a desired shape, the locus of the tip position of the spot welding gun can be made into an ellipse or other desired curve. Furthermore, a fixed guide pin is loosely fitted into the second guide groove 12a,
This device has a unique and remarkable effect in that the direction of the second support member is guided and the rotation angle of the spot welding gun, that is, the direction of the power supply cable is kept constant, so that the power supply cable does not get twisted. It is.
図面はこの考案の一実施例を示し、第１図はス
ポツト溶接装置全体の正面図、第２図は第１図の
要部を拡大した正面図、第３図は第２図の−
断面矢視平面図、第４図は第２図のナツトプレー
トＮをの矢で示す平面図である。
１……基体、１ａ……ガイドピン取付腕、１ｂ
……第３支軸、１ｃ……取付具、２……ワーク固
定台、２ａ……取り付け治具、３……位置姿勢制
御装置、４……スポツト溶接ガン、４ａ……シリ
ンダ装置、４ｂ……給電ケーブル、５……シリン
ダ装置（駆動装置）、６……主軸、７……回動部
材、８……第１支持部材、８ａ……摺動部、８ｂ
……第１支軸、８ｃ……軸受、９……ガイトピ
ン、１０……第１ガイド部材、１０ａ……第１ガ
イド溝、１１……第２支軸、１２……第２支持部
材、１２ａ……第２ガイド溝、１３……固定ガイ
ドピン、Ｗ……ワーク、Ｎ……ナツトプレート、
Na……楕円形板、Nb……ナツト、P1〜P10……
スポツト溶接点、Ｏ……ナツトプレートの中心、
Ｂ……バツクバー。
The drawings show one embodiment of this invention; FIG. 1 is a front view of the entire spot welding device, FIG. 2 is an enlarged front view of the main parts of FIG. 1, and FIG.
4 is a plan view showing the nut plate N of FIG. 2 with arrows. 1...Base body, 1a...Guide pin mounting arm, 1b
...Third support shaft, 1c...Mounting tool, 2...Work fixing base, 2a...Mounting jig, 3...Position/orientation control device, 4...Spot welding gun, 4a...Cylinder device, 4b... ... Power supply cable, 5 ... Cylinder device (drive device), 6 ... Main shaft, 7 ... Rotating member, 8 ... First support member, 8a ... Sliding part, 8b
...First support shaft, 8c ... Bearing, 9 ... Guide pin, 10 ... First guide member, 10a ... First guide groove, 11 ... Second support shaft, 12 ... Second support member, 12a ...Second guide groove, 13...Fixed guide pin, W...Work, N...Nut plate,
Na...Oval plate, Nb...Nut, P 1 ~ P 10 ...
Spot welding point, O...center of nut plate,
B...Batuku bar.
Claims (1)
つて移動させて溶接するスポツト溶接装置であつ
て、上下方向の主軸によつて支承され、駆動装置
によつて揺動駆動される回動部材と、該回動部材
の半径方向に移動自在に該回動部材に基端が支持
され、先端にガイドピンを具備する第１支持部材
と、この第１支持部材の前記ガイドピンを遊嵌案
内する第１ガイド溝が設けられ前記ガイドピンに
所定の非円形軌跡を与える第１ガイド部材と、前
記第１支持部材の前記基端に設けた軸受に枢支し
た上下方向の第２支軸によつて基端が回動自在に
支承された第２支持部材と、この第２支持部材に
前記第２支軸と同心に、かつ、下向に設けられた
スポツト溶接ガンと、前記第２支持部材に設けら
れ、前記スポツト溶接ガンの前記第２支軸回りの
回動角を一定とする第２ガイド溝と、この第２ガ
イド溝に遊嵌された固定ガイドピンとを具備して
なるスポツト溶接装置。 A spot welding device for welding by moving a spot welding gun along a non-circular curve on a workpiece, the rotating member being supported by a vertical main shaft and swingingly driven by a drive device; a first support member whose base end is supported by the rotation member so as to be movable in the radial direction of the rotation member and has a guide pin at the distal end; and a first support member which loosely fits and guides the guide pin of the first support member. a first guide member provided with one guide groove and giving a predetermined non-circular trajectory to the guide pin; and a second vertical support shaft pivoted on a bearing provided at the base end of the first support member. a second support member whose base end is rotatably supported; a spot welding gun provided on the second support member concentrically with the second support shaft and facing downward; A spot welding device comprising: a second guide groove that is provided to maintain a constant rotation angle of the spot welding gun about the second support shaft; and a fixed guide pin that is loosely fitted in the second guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15256283U JPS6060170U (en) | 1983-09-30 | 1983-09-30 | spot welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15256283U JPS6060170U (en) | 1983-09-30 | 1983-09-30 | spot welding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6060170U JPS6060170U (en) | 1985-04-26 |
| JPH0225588Y2 true JPH0225588Y2 (en) | 1990-07-13 |
Family
ID=30337772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15256283U Granted JPS6060170U (en) | 1983-09-30 | 1983-09-30 | spot welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6060170U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6352772A (en) * | 1986-08-21 | 1988-03-05 | Ohara Kinzoku Kogyo Kk | Bipolar spot welding machine |
| BR9203180A (en) * | 1992-08-11 | 1994-03-01 | Brasil Compressores Sa | ARTICULATION-BELA-PISTON PIN SET FOR ALTERNATIVE HERMETIC COMPRESSORS AND PROCESS FOR ATTACHING ARTICULATION PIN IN ALTERNATIVE HERMETIC COMPRESSOR PISTON |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5814067Y2 (en) * | 1980-12-08 | 1983-03-18 | 大阪電気株式会社 | Copying shift device |
| JPS6041341Y2 (en) * | 1980-12-20 | 1985-12-16 | 豊田工機株式会社 | Copying work device |
-
1983
- 1983-09-30 JP JP15256283U patent/JPS6060170U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6060170U (en) | 1985-04-26 |
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