JPS6329080B2 - - Google Patents

Info

Publication number
JPS6329080B2
JPS6329080B2 JP57088792A JP8879282A JPS6329080B2 JP S6329080 B2 JPS6329080 B2 JP S6329080B2 JP 57088792 A JP57088792 A JP 57088792A JP 8879282 A JP8879282 A JP 8879282A JP S6329080 B2 JPS6329080 B2 JP S6329080B2
Authority
JP
Japan
Prior art keywords
switch
depth
movement
sheave
wire rope
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
JP57088792A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58207487A (ja
Inventor
Hiroshi Kusumi
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 JP57088792A priority Critical patent/JPS58207487A/ja
Publication of JPS58207487A publication Critical patent/JPS58207487A/ja
Publication of JPS6329080B2 publication Critical patent/JPS6329080B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Machine Tool Sensing Apparatuses (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Earth Drilling (AREA)
JP57088792A 1982-05-27 1982-05-27 竪孔掘削機用深度検出装置 Granted JPS58207487A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57088792A JPS58207487A (ja) 1982-05-27 1982-05-27 竪孔掘削機用深度検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57088792A JPS58207487A (ja) 1982-05-27 1982-05-27 竪孔掘削機用深度検出装置

Publications (2)

Publication Number Publication Date
JPS58207487A JPS58207487A (ja) 1983-12-02
JPS6329080B2 true JPS6329080B2 (enrdf_load_stackoverflow) 1988-06-10

Family

ID=13952692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57088792A Granted JPS58207487A (ja) 1982-05-27 1982-05-27 竪孔掘削機用深度検出装置

Country Status (1)

Country Link
JP (1) JPS58207487A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0672514B2 (ja) * 1988-01-12 1994-09-14 住友建機株式会社 掘削機の深度検出装置
JPH01119489U (enrdf_load_stackoverflow) * 1988-02-01 1989-08-14

Also Published As

Publication number Publication date
JPS58207487A (ja) 1983-12-02

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