AU3077989A - A trench digging apparatus - Google Patents
A trench digging apparatusInfo
- Publication number
- AU3077989A AU3077989A AU30779/89A AU3077989A AU3077989A AU 3077989 A AU3077989 A AU 3077989A AU 30779/89 A AU30779/89 A AU 30779/89A AU 3077989 A AU3077989 A AU 3077989A AU 3077989 A AU3077989 A AU 3077989A
- Authority
- AU
- Australia
- Prior art keywords
- trench digging
- digging apparatus
- trench
- digging
- 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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/12—Component parts, e.g. bucket troughs
- E02F3/14—Buckets; Chains; Guides for buckets or chains; Drives for chains
- E02F3/142—Buckets; Chains; Guides for buckets or chains; Drives for chains tools mounted on buckets or chains which loosen the soil, e.g. cutting wheels, or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2866—Small metalwork for digging elements, e.g. teeth scraper bits for rotating digging elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU30779/89A AU620591B2 (en) | 1988-02-26 | 1989-02-27 | A trench digging apparatus |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPI698188 | 1988-02-26 | ||
AUPI6981 | 1988-02-26 | ||
AU30779/89A AU620591B2 (en) | 1988-02-26 | 1989-02-27 | A trench digging apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3077989A true AU3077989A (en) | 1989-08-31 |
AU620591B2 AU620591B2 (en) | 1992-02-20 |
Family
ID=25621553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU30779/89A Ceased AU620591B2 (en) | 1988-02-26 | 1989-02-27 | A trench digging apparatus |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU620591B2 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4217001A (en) * | 1979-06-11 | 1980-08-12 | J. I. Case Company | Universal digging boom |
US4626032A (en) * | 1984-06-18 | 1986-12-02 | Harris Jesse W | Rock ditcher |
AU579727B2 (en) * | 1985-04-24 | 1988-12-08 | Sausar Holdings Pty. Ltd. | Trench digging device |
-
1989
- 1989-02-27 AU AU30779/89A patent/AU620591B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU620591B2 (en) | 1992-02-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |