JPS5470548A - Protective apparatus for crane - Google Patents

Protective apparatus for crane

Info

Publication number
JPS5470548A
JPS5470548A JP13537277A JP13537277A JPS5470548A JP S5470548 A JPS5470548 A JP S5470548A JP 13537277 A JP13537277 A JP 13537277A JP 13537277 A JP13537277 A JP 13537277A JP S5470548 A JPS5470548 A JP S5470548A
Authority
JP
Japan
Prior art keywords
speed
directed
motor
crane
protective apparatus
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
Application number
JP13537277A
Other languages
English (en)
Japanese (ja)
Other versions
JPS551230B2 (en]
Inventor
Kiyohiko Chikashige
Hiroshi Akasaki
Takeyoshi Kajita
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.)
Mitsubishi Electric Corp
Mitsubishi Heavy Industries Ltd
Nippon Steel Corp
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Heavy Industries Ltd
Nippon Steel Corp
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 Mitsubishi Electric Corp, Mitsubishi Heavy Industries Ltd, Nippon Steel Corp filed Critical Mitsubishi Electric Corp
Priority to JP13537277A priority Critical patent/JPS5470548A/ja
Publication of JPS5470548A publication Critical patent/JPS5470548A/ja
Publication of JPS551230B2 publication Critical patent/JPS551230B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)
  • Stopping Of Electric Motors (AREA)
JP13537277A 1977-11-11 1977-11-11 Protective apparatus for crane Granted JPS5470548A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13537277A JPS5470548A (en) 1977-11-11 1977-11-11 Protective apparatus for crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13537277A JPS5470548A (en) 1977-11-11 1977-11-11 Protective apparatus for crane

Publications (2)

Publication Number Publication Date
JPS5470548A true JPS5470548A (en) 1979-06-06
JPS551230B2 JPS551230B2 (en]) 1980-01-12

Family

ID=15150170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13537277A Granted JPS5470548A (en) 1977-11-11 1977-11-11 Protective apparatus for crane

Country Status (1)

Country Link
JP (1) JPS5470548A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH041576U (en]) * 1990-04-17 1992-01-08

Also Published As

Publication number Publication date
JPS551230B2 (en]) 1980-01-12

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