JPS6251358B2 - - Google Patents

Info

Publication number
JPS6251358B2
JPS6251358B2 JP11356881A JP11356881A JPS6251358B2 JP S6251358 B2 JPS6251358 B2 JP S6251358B2 JP 11356881 A JP11356881 A JP 11356881A JP 11356881 A JP11356881 A JP 11356881A JP S6251358 B2 JPS6251358 B2 JP S6251358B2
Authority
JP
Japan
Prior art keywords
bucket
earth
cam member
support rod
kelly bar
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.)
Expired
Application number
JP11356881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5817991A (ja
Inventor
Haruo Takahashi
Nobutaka Hirano
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 JP11356881A priority Critical patent/JPS5817991A/ja
Publication of JPS5817991A publication Critical patent/JPS5817991A/ja
Publication of JPS6251358B2 publication Critical patent/JPS6251358B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP11356881A 1981-07-22 1981-07-22 ア−スドリルのバケツトにおける排土装置 Granted JPS5817991A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11356881A JPS5817991A (ja) 1981-07-22 1981-07-22 ア−スドリルのバケツトにおける排土装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11356881A JPS5817991A (ja) 1981-07-22 1981-07-22 ア−スドリルのバケツトにおける排土装置

Publications (2)

Publication Number Publication Date
JPS5817991A JPS5817991A (ja) 1983-02-02
JPS6251358B2 true JPS6251358B2 (enrdf_load_stackoverflow) 1987-10-29

Family

ID=14615545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11356881A Granted JPS5817991A (ja) 1981-07-22 1981-07-22 ア−スドリルのバケツトにおける排土装置

Country Status (1)

Country Link
JP (1) JPS5817991A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5817991A (ja) 1983-02-02

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