US88414A - Improvement in trench-plow - Google Patents
Improvement in trench-plow Download PDFInfo
- Publication number
- US88414A US88414A US88414DA US88414A US 88414 A US88414 A US 88414A US 88414D A US88414D A US 88414DA US 88414 A US88414 A US 88414A
- Authority
- US
- United States
- Prior art keywords
- plow
- trench
- improvement
- furrow
- robinson
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B13/00—Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation
- A01B13/14—Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation for working soil in two or more layers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Medicines Containing Plant Substances (AREA)
Description
@@tui my v f. e. mi' ,tntea' ttuttttitte. W
were
muy
JOHN G. ROBINSON, OF
Letters' PatentNo. 88,414, dated March 30, 1869; autedctted March 22, i869.
SPRTNGFI'ELD, ILLINOIS.
IMPROVEMENT IN' TRENCH-PLOW.
l Q-@Ohm The Schedule referred to in these Lettera Patent and making part of the same.
the purpose of cutting the furrow-slice for the trenchplow V.
What I claim as my invention, and desire to secure by Letters Patent, is
The attaching this stationary coulter to the heel of the sod-plow, extended downward and sloping hackward, for cutting the furrow-slice of the trench-plow, in the manner described.
-Witnesses GEO. O. MARCY, J. H. GHENY.
JOHN G. ROBINSON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US88414A true US88414A (en) | 1869-03-30 |
Family
ID=2157897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US88414D Expired - Lifetime US88414A (en) | Improvement in trench-plow |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US88414A (en) |
-
0
- US US88414D patent/US88414A/en not_active Expired - Lifetime
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