JPS51143247A - Electric chain block - Google Patents

Electric chain block

Info

Publication number
JPS51143247A
JPS51143247A JP6531475A JP6531475A JPS51143247A JP S51143247 A JPS51143247 A JP S51143247A JP 6531475 A JP6531475 A JP 6531475A JP 6531475 A JP6531475 A JP 6531475A JP S51143247 A JPS51143247 A JP S51143247A
Authority
JP
Japan
Prior art keywords
chain block
electric chain
electric
erroreous
occured
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
JP6531475A
Other languages
Japanese (ja)
Other versions
JPS5722878B2 (en
Inventor
Isao Sato
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 JP6531475A priority Critical patent/JPS51143247A/en
Publication of JPS51143247A publication Critical patent/JPS51143247A/en
Publication of JPS5722878B2 publication Critical patent/JPS5722878B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

PURPOSE: Electric chain block provides switch mechanism to shut off electric source in response with movement of link chain over predetermined limit caused by e.g. erroreous connection, so that damage is prevented when inverse phase driving is occured.
COPYRIGHT: (C)1976,JPO&Japio
JP6531475A 1975-06-02 1975-06-02 Electric chain block Granted JPS51143247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6531475A JPS51143247A (en) 1975-06-02 1975-06-02 Electric chain block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6531475A JPS51143247A (en) 1975-06-02 1975-06-02 Electric chain block

Publications (2)

Publication Number Publication Date
JPS51143247A true JPS51143247A (en) 1976-12-09
JPS5722878B2 JPS5722878B2 (en) 1982-05-15

Family

ID=13283310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6531475A Granted JPS51143247A (en) 1975-06-02 1975-06-02 Electric chain block

Country Status (1)

Country Link
JP (1) JPS51143247A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0193683U (en) * 1987-12-16 1989-06-20

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4324022Y1 (en) * 1964-09-29 1968-10-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4324022Y1 (en) * 1964-09-29 1968-10-09

Also Published As

Publication number Publication date
JPS5722878B2 (en) 1982-05-15

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