ZA951888B - Automatic leveling system for blasthole drills - Google Patents

Automatic leveling system for blasthole drills

Info

Publication number
ZA951888B
ZA951888B ZA951888A ZA951888A ZA951888B ZA 951888 B ZA951888 B ZA 951888B ZA 951888 A ZA951888 A ZA 951888A ZA 951888 A ZA951888 A ZA 951888A ZA 951888 B ZA951888 B ZA 951888B
Authority
ZA
South Africa
Prior art keywords
leveling system
automatic leveling
blasthole drills
blasthole
drills
Prior art date
Application number
ZA951888A
Inventor
Timothy R Kerrigan
Original Assignee
Harmischfeger Corp
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 Harmischfeger Corp filed Critical Harmischfeger Corp
Publication of ZA951888B publication Critical patent/ZA951888B/en

Links

ZA951888A 1994-07-14 1995-03-07 Automatic leveling system for blasthole drills ZA951888B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27510294A 1994-07-14 1994-07-14

Publications (1)

Publication Number Publication Date
ZA951888B true ZA951888B (en) 1996-01-09

Family

ID=23050877

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA951888A ZA951888B (en) 1994-07-14 1995-03-07 Automatic leveling system for blasthole drills

Country Status (2)

Country Link
AU (1) AU692825B2 (en)
ZA (1) ZA951888B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890683A (en) * 1952-02-06 1959-06-16 John S Pilch Fluid actuated control valve means for fluid motors
US4303130A (en) * 1977-03-31 1981-12-01 Boa Drilling Equipment, Inc. All terrain drill unit
US4359931A (en) * 1981-01-19 1982-11-23 The Warner & Swasey Company Regenerative and anticavitation hydraulic system for an excavator

Also Published As

Publication number Publication date
AU692825B2 (en) 1998-06-18
AU1478995A (en) 1996-01-25

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