CA1293883C - Herse a chassis et attelage ameliores - Google Patents
Herse a chassis et attelage amelioresInfo
- Publication number
- CA1293883C CA1293883C CA000615834A CA615834A CA1293883C CA 1293883 C CA1293883 C CA 1293883C CA 000615834 A CA000615834 A CA 000615834A CA 615834 A CA615834 A CA 615834A CA 1293883 C CA1293883 C CA 1293883C
- Authority
- CA
- Canada
- Prior art keywords
- frame
- soil
- hitch
- ground engaging
- pair
- 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 - Lifetime
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
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/7622—Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own, e.g. drag scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Soil Working Implements (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/224,458 US4448258A (en) | 1981-01-12 | 1981-01-12 | Soil leveling apparatus |
US224,458 | 1981-01-12 | ||
US06/570,347 US4585075A (en) | 1981-01-12 | 1984-01-13 | Soil leveling apparatus with improved frame and hitch |
US570,347 | 1984-01-13 | ||
US85681886A | 1986-04-28 | 1986-04-28 | |
US856,818 | 1986-04-28 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000535606A Division CA1293635C (fr) | 1986-04-28 | 1987-04-27 | Engin niveleur a chassis et attelage perfectionnes |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1293883C true CA1293883C (fr) | 1992-01-07 |
Family
ID=27397354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000615834A Expired - Lifetime CA1293883C (fr) | 1981-01-12 | 1990-08-16 | Herse a chassis et attelage ameliores |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1293883C (fr) |
-
1990
- 1990-08-16 CA CA000615834A patent/CA1293883C/fr not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |