AU3823789A - Improved post hole digger - Google Patents
Improved post hole diggerInfo
- Publication number
- AU3823789A AU3823789A AU38237/89A AU3823789A AU3823789A AU 3823789 A AU3823789 A AU 3823789A AU 38237/89 A AU38237/89 A AU 38237/89A AU 3823789 A AU3823789 A AU 3823789A AU 3823789 A AU3823789 A AU 3823789A
- Authority
- AU
- Australia
- Prior art keywords
- post hole
- hole digger
- improved post
- improved
- digger
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/087—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods by means of a swinging arm
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU38237/89A AU615558B2 (en) | 1988-07-21 | 1989-07-19 | Improved post hole digger |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPI9395 | 1988-07-21 | ||
AUPI939588 | 1988-07-21 | ||
AU38237/89A AU615558B2 (en) | 1988-07-21 | 1989-07-19 | Improved post hole digger |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3823789A true AU3823789A (en) | 1990-01-25 |
AU615558B2 AU615558B2 (en) | 1991-10-03 |
Family
ID=25624278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU38237/89A Ceased AU615558B2 (en) | 1988-07-21 | 1989-07-19 | Improved post hole digger |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU615558B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA927101B (en) * | 1991-11-18 | 1993-04-01 | Roger Robarts Briggs | Hole digger. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3022839A (en) * | 1959-07-07 | 1962-02-27 | Holan Corp | Earth boring apparatus |
AU467153B2 (en) * | 1970-09-15 | 1973-03-15 | Hovapic Hire Pty. Limited | A rock working implement carrier |
-
1989
- 1989-07-19 AU AU38237/89A patent/AU615558B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU615558B2 (en) | 1991-10-03 |
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