JPS6347206A - Introduction and delivery indicating device for cargo receiving bed - Google Patents

Introduction and delivery indicating device for cargo receiving bed

Info

Publication number
JPS6347206A
JPS6347206A JP61193607A JP19360786A JPS6347206A JP S6347206 A JPS6347206 A JP S6347206A JP 61193607 A JP61193607 A JP 61193607A JP 19360786 A JP19360786 A JP 19360786A JP S6347206 A JPS6347206 A JP S6347206A
Authority
JP
Japan
Prior art keywords
cargo
crane
delivery
receiver
fork
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
JP61193607A
Other languages
Japanese (ja)
Inventor
Yozo Okayama
岡山 洋三
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.)
Daifuku Co Ltd
Original Assignee
Daifuku 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 Daifuku Co Ltd filed Critical Daifuku Co Ltd
Priority to JP61193607A priority Critical patent/JPS6347206A/en
Publication of JPS6347206A publication Critical patent/JPS6347206A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To indicate the delivery of cargo to facilitate delivery works, by providing a means for transmitting a signal when a cargo shifting fork on a travel crane for introduction and delivery is extended, and by providing a receiver on a cargo receiving bed to indicate the delivery of cargo in accordance with the presence of a received signal in the cargo loading condition. CONSTITUTION:When a crane shifts a delivered article onto a cargo receiving bed, a fork 2 is extended, which is detected by a detector 7 so that a signal transmitting means 6 energizes a transmitter 8. Further, a cargo receiving side cargo presence detector 10 detects the delivered article, and a signal from the crane side is received by a receiver 9, both being delivered to a control means 14 while an indicating means 13 indicates the delivery of cargo. Meanwhile, when a fork-lift or the like shifts an introduced article onto the receiving bed, the cargo presence detector 10 detects the introduced article but the transmitter 8 is not energized since the crane fork is not yet extended, and therefore, no signal is received by the receiver 9 so that the indicating means 13 indicates the introduction of cargo. Accordingly, it is possible to clearly distinguish between the introduction and delivery of cargo onto the cargo receiving bed and thereby to facilitate the cargo handling work.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、自動倉庫に於ける入出庫用走行クレーンのホ
ームポジション脇に設置される荷捌用荷受け台に載せら
れた荷が、これからクレーンによって入庫されるべき荷
であるか又はクレーンによって出庫された荷であるかを
自動的に表示する表示装置に関するものである。
Detailed Description of the Invention (Industrial Field of Application) The present invention provides a method for transporting cargo placed on a cargo receiving platform for cargo handling installed next to the home position of a traveling crane for loading and unloading in an automated warehouse, from now on by the crane. The present invention relates to a display device that automatically displays whether a load is to be stored or taken out by a crane.

(従来の技術及びその問題点) 従来、前記のように荷捌用荷受け台に載せられた荷が、
これからクレーンによって入庫されるべき荷であるか又
はクレーンによって出庫された荷、即ちフォークリフト
等により搬出しなければならない荷であるかを自動的に
表示する表示装置は考えられていなかった。
(Prior art and its problems) Conventionally, as mentioned above, the cargo placed on the cargo handling platform is
No display device has been considered that automatically displays whether the cargo is to be stored by a crane or taken out by a crane, that is, the cargo must be carried out by a forklift or the like.

このような入庫品出庫品の区別を表示する手段が講じら
れていない場合には、荷受け台に荷が移載される状況を
見ていなければ当該荷が出庫品であるか入庫品であるか
の判断が出来ない。このため現場を離れていた作業者(
例えばフォークリフト運転作業者)は、荷受け台上に載
せられている荷がそのまま搬出しても良い出庫品である
のか、他の誰かが入庫のために荷受け台上に移載した入
庫品であるのかを判断することが出来ないので、判別出
来るまで作業を中断しなければならなくなる。又、出庫
品であるにも拘わらず搬出作業が遅れる結果、クレーン
による次の出庫品の荷受け台への移載作業や次の入庫品
の荷受け台への移載作業にも遅れが生じ、入出庫作業全
体の能率が大幅にダウンすることになる。
If no measures have been taken to display the distinction between incoming and outgoing goods, it is difficult to tell whether the goods are outgoing or incoming goods unless you are watching how the goods are transferred to the receiving platform. I can't judge. Workers who had left the site for this reason (
For example, a forklift operator) must determine whether the load on the receiving platform is an outbound item that can be taken out as is, or whether it is an incoming item that someone else has transferred onto the receiving platform for storage. Since it is not possible to determine this, the work must be interrupted until the determination can be made. In addition, as a result of the delay in the unloading work even though the goods are out of stock, there is also a delay in the work of the crane to transfer the next outgoing goods to the receiving platform, and the work of transferring the next incoming goods to the receiving stand. The efficiency of the entire shipping process will be significantly reduced.

(問題点を解決するための手段) 本発明は上記のような従来の問題点を解決し得る荷受け
台の入出庫表示装置を提案するものであって、その特徴
は、入出庫用走行クレーンに荷移載用フォークが進出状
態にあるときに制御信号を発信する発信手段を設け、前
記フォークによって荷が受け渡しされる荷受け台側には
、在荷検出器、前記発信手段からの制御信号を受信する
受信器、及び入庫品出庫品の区別を表示する手段を設け
、前記在荷検出器が在荷を検出したときに前記受信器が
クレーンからの制御信号を受信しているときは前記表示
手段に出庫表示を行わせると共に、前記在荷検出器が在
荷を検出したときに前記受イ3器がクレーンからの制御
信号を受信していないときは前記表示手段に入庫表示を
行わせるように、当該表示手段を制御する制御手段を設
けた点にある。
(Means for Solving the Problems) The present invention proposes a loading/unloading display device for a loading/unloading platform that can solve the conventional problems as described above. A transmitting means is provided for transmitting a control signal when the load transfer fork is in the advanced state, and a load receiving platform side to which the load is transferred by the fork is provided with a load detector, which receives the control signal from the transmitting means. and a means for displaying a distinction between in-stock and out-of-stock products, and when the inventory detector detects inventory and the receiver is receiving a control signal from a crane, the display means When the inventory detector detects inventory and the three receivers are not receiving a control signal from the crane, the display means displays an inventory arrival indication. , there is provided a control means for controlling the display means.

(発明の作用) 上記の入出庫表示装置によれば、クレーンが出庫品を荷
受け台上に移載するときにはフォークが進出状態となる
ため制御信号がクレーン側の発信手段より発信され、こ
れを荷受け台側の受信器が受信することになる。従って
クレーンが出庫品を荷受け台上に移載したときには、荷
受け台側の在荷検出器が当該出庫品を検出するが、この
ときクレーン側から発信されている制御信号を荷受け台
側の受信器が受信するので、表示手段に於いて出庫品で
あることを示す出庫表示が行われる。
(Operation of the Invention) According to the above-mentioned warehousing/unloading display device, when the crane transfers the outgoing goods onto the receiving platform, the forks are in the advanced state, so a control signal is transmitted from the transmitting means on the crane side, and the control signal is sent to the receiving platform. The receiver on the stand will receive it. Therefore, when a crane transfers an out-of-stock item onto a receiving platform, the inventory detector on the receiving platform side detects the outgoing item. Since the item is received, a display indicating that the item is out of stock is displayed on the display means.

又、フォークリフト等により入庫品が荷受け台上に移載
されたときには、前記在荷検出器は当該入庫品を検出す
るが前記受信器は制御信号を受信していないので、表示
手段に於いて入庫品であることを示す入庫表示が行われ
る。
Further, when an incoming item is transferred onto a receiving platform by a forklift or the like, the inventory detector detects the incoming item, but the receiver does not receive a control signal, so the display means indicates the incoming item. A warehousing display will be displayed to indicate that the item is in stock.

従ってこの表示手段の表示状態から、荷受け台上の荷が
入庫品であるか出庫品であるかの区別を簡単且つ正確に
判断することが出来る。
Therefore, from the display state of this display means, it is possible to easily and accurately determine whether the cargo on the cargo tray is an incoming product or an outgoing product.

(実施例) 以下に本発明の一実施例を添付の例示図に基づいて説明
すると、第1図に於いて、1は入出庫用走行クレーンで
あって、左右に出退移動自在な荷移載用フォーク2を搭
載した昇降キヤレソジ3が設けられている。このクレー
ン1の走行経路の左右両側には棚4が立設され、クレー
ン走行経路の一端に設定されたクレーンホームポジショ
ンの一側方には荷受け台5が設置されている。
(Embodiment) An embodiment of the present invention will be described below based on the attached illustrative drawings. In FIG. An elevating carriage 3 on which a loading fork 2 is mounted is provided. Shelves 4 are erected on both the left and right sides of the travel path of the crane 1, and a cargo receiving platform 5 is installed on one side of a crane home position set at one end of the crane travel path.

第2図及び第3図に示すように前記クレーン1の昇降キ
ャレフジ3には、前記荷移載用フォーク2が進出状態に
あるときに制御信号を発信する発信手段6が設けられて
いる。この発信手段6は、前記フォーク2が進出移動に
より中央待機位置から外れたことを検出する検出器7と
この検出器7の検出動作時に荷受け台5のある側に向か
って投光する投光器8から構成されている。前記荷受け
台5には、この荷受け台5に隣接するクレーンホームポ
ジションにクレーン1が停止し且つ昇降キヤレソジ3が
荷受け台5上に荷を移載する高さに停止しているときに
前記発信手段6の投光器8に対向する受信器(受光器)
9と、この荷受け台5上に載置された荷を無接触で検出
する回帰反射形光電スイッチ利用の在荷検出器10とが
設けられ、更にこの荷受け台5の近傍位置には、表示灯
11を内蔵した自光弐のピンキング作業完了押し釦スィ
ッチ12を備えた表示手段13が設置されている。14
は荷受け台5に併設された制御手段であって、次に説明
するような制御を行う。
As shown in FIGS. 2 and 3, the elevating carriage 3 of the crane 1 is provided with a transmitting means 6 for transmitting a control signal when the load transfer fork 2 is in the advanced state. The transmitting means 6 includes a detector 7 for detecting that the fork 2 has moved out of the center standby position due to its advancing movement, and a light emitter 8 that emits light toward the side where the load receiving platform 5 is located when the detector 7 detects the movement. It is configured. When the crane 1 is stopped at a crane home position adjacent to the cargo receiving platform 5 and the elevating carriage 3 is stopped at a height for transferring a load onto the cargo receiving platform 5, the transmitting means is installed on the cargo receiving platform 5. Receiver (light receiver) facing the emitter 8 of 6
9 and a load detector 10 using a retroreflective photoelectric switch that detects the load placed on the load receiving table 5 without contact. A display means 13 having a push button switch 12 for indicating completion of the pinking operation of the self-lighting unit 11 is installed. 14
is a control means attached to the cargo receiving stand 5, and performs control as described below.

即ち、第4図のフローチャートに示すように、前記在荷
ヰ★出器10が荷受け台5上の荷を検出したときに前記
受信器9がクレーン1側の発信手段6からの制御信号(
投光器8からの光線)を受信しているときは前記表示手
段13の表示灯11を点滅させて出庫表示を行わせ、前
記在荷検出器10が荷受け台5上の荷を検出したときに
前記受信器9がクレーン1側の発信手段6からの制御信
号(投光器8からの光線)を受信していないときは、在
荷検出後一定の設定時間経過後に前記表示手段13の表
示灯11を連続点灯させて入庫表示を行わせるように表
示手段13を制御する。又、出庫表示入庫表示の何れの
状態であっても、荷受け台5上の荷が取り除かれて在荷
検出器10がOFF状態に切り替わると表示手段13の
表示灯11は消灯され、更に、表示灯11が点滅する出
庫表示状態に於いて、荷受け台5上の荷の一部を出庫す
るピンキング作業が完了して押し釦スィッチ12を押し
たときには、表示灯11を点滅状態の出庫表示から連続
点灯の入庫表示に切り換える。
That is, as shown in the flowchart of FIG.
When the light beam from the light projector 8) is being received, the indicator light 11 of the display means 13 is blinked to display the outgoing shipment, and when the inventory detector 10 detects a load on the load tray 5, the When the receiver 9 does not receive the control signal from the transmitting means 6 on the crane 1 side (the light beam from the floodlight 8), the indicator light 11 of the display means 13 is continuously activated after a certain set time has elapsed after detecting the presence of cargo. The display means 13 is controlled so as to turn on the light to indicate the arrival of the warehouse. In addition, regardless of whether the display is in the outgoing state or the incoming state, when the cargo on the cargo tray 5 is removed and the inventory detector 10 is switched to the OFF state, the indicator light 11 of the display means 13 is turned off, and the display light 11 is turned off. In the unloading display state in which the light 11 is blinking, when the pinking operation for unloading a part of the cargo on the cargo tray 5 is completed and the push button switch 12 is pressed, the indicator light 11 is continuously switched from the flashing unloading display state. Switch to the lit inventory display.

以上のような構成によれば、クレーン1が棚4内から搬
出した出庫品を荷受け台5上に移載するためにフォーク
2が荷受け台5側へ進出移動したとき、発信手段6の検
出器7がフォーク2の進出状態を検出して投光器8から
制御n信号(光線)が発信され、この制御信号を荷受け
台5側の受信器9が受信する。そしてフォーク2上の出
庫品が荷受け台5上に降ろされたとき在荷検出器10が
ON状態に切り替わり、受信器9が制御信号を受信して
いることによって表示手段13の表示灯11が点滅して
出庫表示を行う、従って作業者は表示灯110点減点灯
を見て荷受け台5上の荷が出庫品であることを知ること
が出来る。
According to the configuration described above, when the fork 2 advances toward the receiving platform 5 in order to transfer the goods carried out from the shelf 4 onto the receiving platform 5 by the crane 1, the detector of the transmitting means 6 7 detects the advanced state of the fork 2, a control n signal (light beam) is transmitted from the light projector 8, and the receiver 9 on the loading platform 5 side receives this control signal. When the delivered goods on the fork 2 are unloaded onto the receiving platform 5, the inventory detector 10 is switched to the ON state, and the indicator light 11 of the display means 13 blinks as the receiver 9 receives the control signal. Therefore, the operator can see that the indicator light 110 points are turned off and know that the cargo on the cargo receiving table 5 is an out-of-stock item.

作業者が荷受け台5上の出庫品をフォークリフト等によ
り搬出すると、在荷検出器10がOFF状態に切り替わ
って表示灯11が消灯する。又、荷受け台5上の荷の一
部をピッキングするオーダーピッキング作業を行った場
合は、作業完了押し釦スィッチ12を押すことにより、
表示灯11が点滅点灯から連続点灯に切り換えられ、荷
受け台S上の荷が入庫品があることを表示する。
When the worker carries out the goods on the receiving platform 5 using a forklift or the like, the inventory detector 10 is switched to the OFF state and the indicator light 11 is turned off. In addition, when order picking work is performed to pick a part of the goods on the receiving table 5, by pressing the work completion push button switch 12,
The indicator light 11 is switched from flashing on to continuous lighting to indicate that there are items in stock on the receiving platform S.

荷受け台5上に入庫品がフォークリフト等により移載さ
れたときは、在荷検出器10がON状態に切り替わるが
受信器9はクレーン1側から制御信号を受信していない
ので、在荷検出器10がONシてから設定時間経過後に
表示手段13の表示灯11が連続点灯し、荷受け台5上
の荷が入庫品であることを表示する。尚、前記設定時間
は、フォークリフトのフォークが荷受け台5から完全に
抜き取られるまでに要すると思われる時間、例えば5〜
10秒程度に設定される。
When the in-stock items are transferred onto the receiving platform 5 by a forklift or the like, the inventory detector 10 is switched to the ON state, but since the receiver 9 is not receiving the control signal from the crane 1 side, the inventory detector 10 is turned on. 10 is turned ON and a set time has elapsed, the indicator light 11 of the display means 13 lights up continuously, indicating that the cargo on the cargo tray 5 is an incoming product. Note that the set time is the time that is expected to be required until the fork of the forklift is completely removed from the loading platform 5, for example, 5 to 50 minutes.
It is set to about 10 seconds.

尚、発信手段6は昇降キヤレソジ3ではなくクレーン1
0本体適当位置(例えば下部フレーム)に付設すること
も出来る。又、第1図に示すように前記荷受け台5とは
別に移動荷受け台15が設けられている場合、前記発信
手段6の投光器8を移動荷受け台15側にも設けると共
に、移動荷受け台15側に投光器8からの制御n信号(
フォーク2が進出状態であることを示す信号)を受信す
る受信器(受光器)を設け、この受信器が前記制御信号
を受信することにより移勤行受け台15の移動を禁止す
るように制i11することも出来る。
Note that the transmitting means 6 is not the elevating carriage 3 but the crane 1.
It can also be attached to an appropriate position (for example, the lower frame) of the 0 main body. Further, as shown in FIG. 1, when a movable cargo receiving table 15 is provided separately from the cargo receiving table 5, the projector 8 of the transmitting means 6 is provided on the movable cargo receiving table 15 side, and also on the movable cargo receiving table 15 side. control n signal from the projector 8 (
A receiver (photoreceiver) is provided to receive a signal indicating that the fork 2 is in the advanced state, and when this receiver receives the control signal, the movement of the transfer cradle 15 is prohibited. You can also do that.

更に、表示手段に於ける入庫表示及び出庫表示は実施例
に示した方法に困定されず、例えば入庫表示専用の表示
灯と出庫表示専用の表示灯を使用するような方法でも良
い。
Furthermore, the display means for displaying the arrival and departure of the warehouse is not limited to the method shown in the embodiment, but may also be a method using, for example, an indicator light exclusively for displaying the arrival of the warehouse and an indicator light exclusively for displaying the exit.

(発明の効果) 以上のように本発明の入出庫表示装置によれば、荷捌用
荷受け台に載せられた荷が、これからクレーンによって
入庫されるべき入庫品であるか又はクレーンによって出
庫された荷、即ちフレームリフト等により搬出すべき出
庫品であるかを表示手段により自動的に表示することが
出来る。従って荷受け台上の荷が入庫品であるか出庫品
であるかが判断出来ない場合と比較して、出庫品の搬出
を誤りなく速やかに行い、入出庫作業全体の作業能率を
大幅に向上させることが出来る。しかも入庫作業者が人
為的に表示手段を操作する必要がないので、作業者は荷
の搬入搬出に専念することが出来る。
(Effects of the Invention) As described above, according to the warehousing/discharging display device of the present invention, it is possible to determine whether the cargo placed on the cargo handling platform is an incoming product that is to be warehoused by a crane, or a cargo that has been taken out by a crane. That is, the display means can automatically display whether the item is to be taken out by a frame lift or the like. Therefore, compared to the case where it is not possible to determine whether the cargo on the receiving platform is an incoming product or an outgoing product, outgoing products can be carried out quickly and without errors, and the work efficiency of the entire warehousing and unloading work can be greatly improved. I can do it. Moreover, since there is no need for the warehousing worker to manually operate the display means, the worker can concentrate on loading and unloading the cargo.

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

第1図は自動倉庫の概略平面図、第2図はクレーンと荷
受け台とを示す平面図、第3図は表示装置全体の構成を
説明するブロック線図、第4図は制御手順を示すフロー
チャートである。 1・・・入出庫用走行クレーン、2・・・荷移載用フォ
ーク、3・・・昇降キャレッジ、4・・・棚、5・・・
荷受け台、6・・・発信手段、7・・・フォーク進出状
態検出用検出器、8・・・投光器、9・・・受信器(受
光器)、10・・・花街検出器、11・・・表示灯、1
2・・・ピッキング作業完了押しiロスイッチ、13・
・・表示手段、14・・・制御手段。 第2図
Fig. 1 is a schematic plan view of the automated warehouse, Fig. 2 is a plan view showing the crane and cargo receiving platform, Fig. 3 is a block diagram explaining the overall configuration of the display device, and Fig. 4 is a flow chart showing the control procedure. It is. 1... Traveling crane for loading and unloading, 2... Fork for loading and unloading, 3... Elevating carriage, 4... Shelf, 5...
Load receiving stand, 6... Transmission means, 7... Detector for detecting fork advancement state, 8... Floodlight, 9... Receiver (light receiver), 10... Hanamachi detector, 11...・Indicator light, 1
2...Picking work completion push i-ro switch, 13.
...Display means, 14...Control means. Figure 2

Claims (1)

【特許請求の範囲】[Claims] 入出庫用走行クレーンに荷移載用フォークが進出状態に
あるときに制御信号を発信する発信手段を設け、前記フ
ォークによって荷が受け渡しされる荷受け台側には、在
荷検出器、前記発信手段からの制御信号を受信する受信
器、及び入庫品出庫品の区別を表示する手段を設け、前
記在荷検出器が在荷を検出したときに前記受信器がクレ
ーンからの制御信号を受信しているときは前記表示手段
に出庫表示を行わせると共に、前記在荷検出器が在荷を
検出したときに前記受信器がクレーンからの制御信号を
受信していないときは前記表示手段に入庫表示を行わせ
るように、当該表示手段を制御する制御手段を設けて成
る荷受け台の入出庫表示装置。
The traveling crane for loading and unloading is provided with a transmitting means for transmitting a control signal when the load transfer fork is in the advanced state, and a load receiving platform side where the load is transferred by the fork is provided with an inventory detector and the transmitting means. a receiver for receiving a control signal from a crane, and a means for displaying a distinction between incoming goods and outgoing goods, and when the inventory detector detects inventory, the receiver receives a control signal from the crane. When the inventory detector detects the inventory and the receiver is not receiving a control signal from the crane, the display means displays an inventory arrival indication. A loading/unloading display device for a cargo receiving stand, comprising a control means for controlling the display means so as to cause the display to be carried out.
JP61193607A 1986-08-18 1986-08-18 Introduction and delivery indicating device for cargo receiving bed Pending JPS6347206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61193607A JPS6347206A (en) 1986-08-18 1986-08-18 Introduction and delivery indicating device for cargo receiving bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61193607A JPS6347206A (en) 1986-08-18 1986-08-18 Introduction and delivery indicating device for cargo receiving bed

Publications (1)

Publication Number Publication Date
JPS6347206A true JPS6347206A (en) 1988-02-29

Family

ID=16310758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61193607A Pending JPS6347206A (en) 1986-08-18 1986-08-18 Introduction and delivery indicating device for cargo receiving bed

Country Status (1)

Country Link
JP (1) JPS6347206A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013819A1 (en) * 1990-03-15 1991-09-19 Fujitsu Limited Automatic conveying system of products
JPH04179606A (en) * 1990-11-08 1992-06-26 Daifuku Co Ltd Storage/discharge display for object receptacle table
JPH04251009A (en) * 1991-01-07 1992-09-07 Daifuku Co Ltd Automatic warehouse
JPH04292306A (en) * 1991-03-19 1992-10-16 Daifuku Co Ltd Carry-in and-out display device of cargo receiving base device
US6028532A (en) * 1990-03-15 2000-02-22 Fujitsu Limited Automatic product conveying system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189670A (en) * 1975-02-05 1976-08-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189670A (en) * 1975-02-05 1976-08-05

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013819A1 (en) * 1990-03-15 1991-09-19 Fujitsu Limited Automatic conveying system of products
US6028532A (en) * 1990-03-15 2000-02-22 Fujitsu Limited Automatic product conveying system
JPH04179606A (en) * 1990-11-08 1992-06-26 Daifuku Co Ltd Storage/discharge display for object receptacle table
JPH04251009A (en) * 1991-01-07 1992-09-07 Daifuku Co Ltd Automatic warehouse
JPH04292306A (en) * 1991-03-19 1992-10-16 Daifuku Co Ltd Carry-in and-out display device of cargo receiving base device

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