JPS5264749A - Automatic controlling device for opening and getting down of bucket - Google Patents

Automatic controlling device for opening and getting down of bucket

Info

Publication number
JPS5264749A
JPS5264749A JP14049075A JP14049075A JPS5264749A JP S5264749 A JPS5264749 A JP S5264749A JP 14049075 A JP14049075 A JP 14049075A JP 14049075 A JP14049075 A JP 14049075A JP S5264749 A JPS5264749 A JP S5264749A
Authority
JP
Japan
Prior art keywords
bucket
opening
controlling device
automatic controlling
getting down
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
JP14049075A
Other languages
Japanese (ja)
Other versions
JPS5643993B2 (en
Inventor
Yusaku Kono
Nobukatsu Asakura
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 Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP14049075A priority Critical patent/JPS5264749A/en
Publication of JPS5264749A publication Critical patent/JPS5264749A/en
Publication of JPS5643993B2 publication Critical patent/JPS5643993B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)

Abstract

PURPOSE: To prevent the excess loosening of a bucket rope when it falls opening by means of an automatic control.
COPYRIGHT: (C)1977,JPO&Japio
JP14049075A 1975-11-22 1975-11-22 Automatic controlling device for opening and getting down of bucket Granted JPS5264749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14049075A JPS5264749A (en) 1975-11-22 1975-11-22 Automatic controlling device for opening and getting down of bucket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14049075A JPS5264749A (en) 1975-11-22 1975-11-22 Automatic controlling device for opening and getting down of bucket

Publications (2)

Publication Number Publication Date
JPS5264749A true JPS5264749A (en) 1977-05-28
JPS5643993B2 JPS5643993B2 (en) 1981-10-16

Family

ID=15269817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14049075A Granted JPS5264749A (en) 1975-11-22 1975-11-22 Automatic controlling device for opening and getting down of bucket

Country Status (1)

Country Link
JP (1) JPS5264749A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4864952U (en) * 1971-11-24 1973-08-17
JPS502072U (en) * 1973-05-04 1975-01-10

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4864952U (en) * 1971-11-24 1973-08-17
JPS502072U (en) * 1973-05-04 1975-01-10

Also Published As

Publication number Publication date
JPS5643993B2 (en) 1981-10-16

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