JPS5297550A - Circuit for confirming attraction of hoisting electromagnet - Google Patents

Circuit for confirming attraction of hoisting electromagnet

Info

Publication number
JPS5297550A
JPS5297550A JP1415776A JP1415776A JPS5297550A JP S5297550 A JPS5297550 A JP S5297550A JP 1415776 A JP1415776 A JP 1415776A JP 1415776 A JP1415776 A JP 1415776A JP S5297550 A JPS5297550 A JP S5297550A
Authority
JP
Japan
Prior art keywords
attraction
confirming
circuit
electromagnet
hoisting electromagnet
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
JP1415776A
Other languages
Japanese (ja)
Inventor
Shinji Aoyama
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.)
Shinko Electric Co Ltd
Original Assignee
Shinko Electric 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 Shinko Electric Co Ltd filed Critical Shinko Electric Co Ltd
Priority to JP1415776A priority Critical patent/JPS5297550A/en
Publication of JPS5297550A publication Critical patent/JPS5297550A/en
Pending legal-status Critical Current

Links

Landscapes

  • Load-Engaging Elements For Cranes (AREA)

Abstract

PURPOSE: To enable confirming complete attraction of article by a hoisting electromagnet by utilizing the fact that timing variation of exciting current of hoisting electromagnet depends upon the attracting state of article and actuation of attraction of the electromagnet.
COPYRIGHT: (C)1977,JPO&Japio
JP1415776A 1976-02-12 1976-02-12 Circuit for confirming attraction of hoisting electromagnet Pending JPS5297550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1415776A JPS5297550A (en) 1976-02-12 1976-02-12 Circuit for confirming attraction of hoisting electromagnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1415776A JPS5297550A (en) 1976-02-12 1976-02-12 Circuit for confirming attraction of hoisting electromagnet

Publications (1)

Publication Number Publication Date
JPS5297550A true JPS5297550A (en) 1977-08-16

Family

ID=11853307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1415776A Pending JPS5297550A (en) 1976-02-12 1976-02-12 Circuit for confirming attraction of hoisting electromagnet

Country Status (1)

Country Link
JP (1) JPS5297550A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5487573U (en) * 1977-12-02 1979-06-21
JPH0812245A (en) * 1994-06-30 1996-01-16 Futaba Corp Falling off alarm device for electromagnetic magnet device
WO2021157336A1 (en) * 2020-02-03 2021-08-12 コベルコ建機株式会社 Notification system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5487573U (en) * 1977-12-02 1979-06-21
JPH0812245A (en) * 1994-06-30 1996-01-16 Futaba Corp Falling off alarm device for electromagnetic magnet device
WO2021157336A1 (en) * 2020-02-03 2021-08-12 コベルコ建機株式会社 Notification system
JP2021123434A (en) * 2020-02-03 2021-08-30 コベルコ建機株式会社 Notification system

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