JPS5220601A - Enlarging excavation device for excavator - Google Patents

Enlarging excavation device for excavator

Info

Publication number
JPS5220601A
JPS5220601A JP9644375A JP9644375A JPS5220601A JP S5220601 A JPS5220601 A JP S5220601A JP 9644375 A JP9644375 A JP 9644375A JP 9644375 A JP9644375 A JP 9644375A JP S5220601 A JPS5220601 A JP S5220601A
Authority
JP
Japan
Prior art keywords
excavator
excavation device
enlarging excavation
enlarging
excavation
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
JP9644375A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5527952B2 (OSRAM
Inventor
Shigeru Matsuda
Kouji Yamagata
Shirou Kasama
Kazuyoshi Sakamoto
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.)
Shimizu Construction Co Ltd
Original Assignee
Shimizu Construction 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 Shimizu Construction Co Ltd filed Critical Shimizu Construction Co Ltd
Priority to JP9644375A priority Critical patent/JPS5220601A/ja
Publication of JPS5220601A publication Critical patent/JPS5220601A/ja
Publication of JPS5527952B2 publication Critical patent/JPS5527952B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP9644375A 1975-08-07 1975-08-07 Enlarging excavation device for excavator Granted JPS5220601A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9644375A JPS5220601A (en) 1975-08-07 1975-08-07 Enlarging excavation device for excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9644375A JPS5220601A (en) 1975-08-07 1975-08-07 Enlarging excavation device for excavator

Publications (2)

Publication Number Publication Date
JPS5220601A true JPS5220601A (en) 1977-02-16
JPS5527952B2 JPS5527952B2 (OSRAM) 1980-07-24

Family

ID=14165149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9644375A Granted JPS5220601A (en) 1975-08-07 1975-08-07 Enlarging excavation device for excavator

Country Status (1)

Country Link
JP (1) JPS5220601A (OSRAM)

Also Published As

Publication number Publication date
JPS5527952B2 (OSRAM) 1980-07-24

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