JPS55165804A - Device for detecting article previously entered on storage shelf - Google Patents

Device for detecting article previously entered on storage shelf

Info

Publication number
JPS55165804A
JPS55165804A JP7357179A JP7357179A JPS55165804A JP S55165804 A JPS55165804 A JP S55165804A JP 7357179 A JP7357179 A JP 7357179A JP 7357179 A JP7357179 A JP 7357179A JP S55165804 A JPS55165804 A JP S55165804A
Authority
JP
Japan
Prior art keywords
fork
rack
detectors
stacker crane
storage shelf
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
JP7357179A
Other languages
Japanese (ja)
Inventor
Koji Nishihata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7357179A priority Critical patent/JPS55165804A/en
Publication of JPS55165804A publication Critical patent/JPS55165804A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enable the shortening of the duty cycle of a fork, by detecting previously-entered articles in a nearby and a distant positions on a rack as the fork of a stacker crane remains stopped.
CONSTITUTION: Detectors 13W16 are provided at both the sides of the fork 3 of the elevator 2 of a stacker crane so that the detectors correspond to right and left racks. The detectors 13, 14 are located in positions corresponding to a nearby and a ditant cargoes on the left rack. A reflector 12 is provided in a prescribed position on a pallet 21, which a cargo 22 is loaded. The reflector 12 on the pallet on the rack is detected by the detector of te stacker crane stopped in front of the rack. According to this constitution, it is not needed to provide a detection unit on the tip of the fork to detect the presence of a cargo by moving the fork in and out. Therefore, a working cycle is shortened very much.
COPYRIGHT: (C)1980,JPO&Japio
JP7357179A 1979-06-13 1979-06-13 Device for detecting article previously entered on storage shelf Pending JPS55165804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7357179A JPS55165804A (en) 1979-06-13 1979-06-13 Device for detecting article previously entered on storage shelf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7357179A JPS55165804A (en) 1979-06-13 1979-06-13 Device for detecting article previously entered on storage shelf

Publications (1)

Publication Number Publication Date
JPS55165804A true JPS55165804A (en) 1980-12-24

Family

ID=13522090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7357179A Pending JPS55165804A (en) 1979-06-13 1979-06-13 Device for detecting article previously entered on storage shelf

Country Status (1)

Country Link
JP (1) JPS55165804A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63262335A (en) * 1987-04-17 1988-10-28 Kubota Ltd Operation stroke controller for pusher

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63262335A (en) * 1987-04-17 1988-10-28 Kubota Ltd Operation stroke controller for pusher

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