JPS51150048A - Overload prevention device - Google Patents

Overload prevention device

Info

Publication number
JPS51150048A
JPS51150048A JP7311675A JP7311675A JPS51150048A JP S51150048 A JPS51150048 A JP S51150048A JP 7311675 A JP7311675 A JP 7311675A JP 7311675 A JP7311675 A JP 7311675A JP S51150048 A JPS51150048 A JP S51150048A
Authority
JP
Japan
Prior art keywords
prevention device
overload prevention
winch
low voltage
overload
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
JP7311675A
Other languages
Japanese (ja)
Inventor
Isao Waga
Ryoichi Ono
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 JP7311675A priority Critical patent/JPS51150048A/en
Publication of JPS51150048A publication Critical patent/JPS51150048A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Generators And Motors (AREA)

Abstract

PURPOSE: Overload prevention device of winch or others in which low voltage of electric source or even lifting ground can be detected early.
COPYRIGHT: (C)1976,JPO&Japio
JP7311675A 1975-06-18 1975-06-18 Overload prevention device Pending JPS51150048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7311675A JPS51150048A (en) 1975-06-18 1975-06-18 Overload prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7311675A JPS51150048A (en) 1975-06-18 1975-06-18 Overload prevention device

Publications (1)

Publication Number Publication Date
JPS51150048A true JPS51150048A (en) 1976-12-23

Family

ID=13508958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7311675A Pending JPS51150048A (en) 1975-06-18 1975-06-18 Overload prevention device

Country Status (1)

Country Link
JP (1) JPS51150048A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6143730U (en) * 1984-08-23 1986-03-22 横河電機株式会社 Electric equipment protection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6143730U (en) * 1984-08-23 1986-03-22 横河電機株式会社 Electric equipment protection device

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