US488863A - Plow-cutter - Google Patents
Plow-cutter Download PDFInfo
- Publication number
- US488863A US488863A US488863DA US488863A US 488863 A US488863 A US 488863A US 488863D A US488863D A US 488863DA US 488863 A US488863 A US 488863A
- Authority
- US
- United States
- Prior art keywords
- plow
- cutter
- blade
- frame
- spring
- 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
- LKVOXDJKFRBRQV-UHFFFAOYSA-N N-(dimethyl-$l^{4}-sulfanylidene)-4-(dipropylamino)-3,5-dinitrobenzenesulfonamide Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(S(=O)(=O)N=S(C)C)C=C1[N+]([O-])=O LKVOXDJKFRBRQV-UHFFFAOYSA-N 0.000 description 6
- 230000001012 protector Effects 0.000 description 4
- 244000132059 Carica parviflora Species 0.000 description 2
- 235000014653 Carica parviflora Nutrition 0.000 description 2
- 241001504505 Troglodytes troglodytes Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
Images
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
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/20—Tools; Details
- A01B35/22—Non-rotating tools; Resilient or flexible mounting of rigid tools
- A01B35/24—Spring tools
Definitions
- the object of my invention is to produce a cutter to be set in advance of the point of a plow for cutting the way through a sward, or the like, whereby the plow may be guided evenly and smoothly in its course through the ground.
- my invention provides a pivoted spring-actuated cutter, curved conformably to the blade of the plow, whereby it is made to operate with precision and practical success; and by which it may be located nearer the point of the plow than heretofore; and in addition securing by that means better results.
- Figure l is a side elevation of parts of a plow with my cutter attached;
- Fig. 2 is a view of the cutter with one side removed.
- Fig. 3 is a similar View showing a slide protector in front of the blade.
- l indicates the beam of a plow, and 2 its blade having a front curved edge 3, as illustrated.
- a spring adapted to urge the cutter blade toward the blade of the plow.
- Any suitable form of spring may be employed, as for example a leaf spring, seated at one end in the opening in the cutter frame, and pressing at its free end against the cutter blade below its pivotal point.
- the cutter blade is curved, as illustrated, conformably to the blade of the plow, whereby it may be set in close proximity to it, and form in eiect a movable forerunning blade of the plow blade itself.
- a slide 13 sliding in a way formed in the under side of the frame 4 and bearing at its forward end against the blade 8, to which slide the end of the spring IO, is connected at 13X, as clearly shown.
- said slide plate I3 forms a protector or shield for preventing the passage of dirt into the opening 7 in which the cutter 8 plays,whereby the same would be rendered inoperative.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Description
(No Modem o. AQWREN.
PLOW GUTTER. l
No. 488,888. Patented Dee. 27, 1892.
@LW/imanes a/f NITED STATES PATENT OEEIcE.
CHARLES A. WREN, OF CORAL, MAINE.
PLOW-CUTTER.
SPECIFICATION forming part of Letters Patent No. 488,863, dated December 27, 1892.
Application tiled July 28, 1892. vSerial No. 441,487. (No model.)
.To all whom it may concern:
Be it known that I, CHARLES A. WREN, of Coral, county of Aroostook, State of Maine, have in vented certain new and useful Improvements in Plow-Cutters, of which the following is a specification, reference being had to the accompanying drawings.
The object of my invention is to produce a cutter to be set in advance of the point of a plow for cutting the way through a sward, or the like, whereby the plow may be guided evenly and smoothly in its course through the ground.
In practice cutters have either been rigidly united to the beam of a plow, or loosely pivoted thereto, depending upon the resistance of the sward to keep them in a correct position. There is difficulty in keeping the point of the cutter clear. In the rigid cutter it is apt to gather stones or the like which wedge themselves between the point of the cutter and the plow and prove a great annoyance to the operator. It has also been found that the resistance of the sward upon the loosely pivoted cutter is practically insufficient for the perfect operation of the device. By my invention I provide a pivoted spring-actuated cutter, curved conformably to the blade of the plow, whereby it is made to operate with precision and practical success; and by which it may be located nearer the point of the plow than heretofore; and in addition securing by that means better results.
In the accompanying drawings,Figure l is a side elevation of parts of a plow with my cutter attached; Fig. 2 is a view of the cutter with one side removed. Fig. 3 is a similar View showing a slide protector in front of the blade.
Referring to the figures on the drawings, l indicates the beam of a plow, and 2 its blade having a front curved edge 3, as illustrated.
4 indicates a colter frame, which may be of any suitable shape and size; and provided with lugs 5 by which, through the aid of bolts 6, it may be secured to the beam of the plow.
7 indicates a vertical opening through the cutter frame, and 8 indicates the blade of the cutter pivotally carried on a pin 9 within the frame.
10 indicates a spring adapted to urge the cutter blade toward the blade of the plow. Any suitable form of spring may be employed, as for example a leaf spring, seated at one end in the opening in the cutter frame, and pressing at its free end against the cutter blade below its pivotal point. The cutter blade is curved, as illustrated, conformably to the blade of the plow, whereby it may be set in close proximity to it, and form in eiect a movable forerunning blade of the plow blade itself. In the construction shown in Fig. 3 a slide 13, sliding in a way formed in the under side of the frame 4 and bearing at its forward end against the blade 8, to which slide the end of the spring IO, is connected at 13X, as clearly shown. Thus it is obvious that said slide plate I3 forms a protector or shield for preventing the passage of dirt into the opening 7 in which the cutter 8 plays,whereby the same would be rendered inoperative.
I n use, if an obstacle presents itself between the cutter blade-and the plow, the former will be forced forward far enough to admit of the passage between it and the plow blade of the obstacle, when immediately by the force of the spring the cutter-blade will move back into its originalposition without stop or loss to the operator.
What I claim isz- In a plow colter, the combination with a frame having a transverse opening, and a guide way extending at an angle thereto, and having means for attaching it to the plow beam, of a blade pivoted in said transverse opening in the frame, a slide plate arranged in the guide way in the frame and bearing at its free end against said blade, and a spring connected to said slide plate whereby it is held elastically against said blade, said transverse opening in the frame having a width greater than the width of the blade, substantially as specified.
In testimony of all which I have hereunto subscribed my name.
CHARLES A. WREN.
Witnesses:
DANIEL LEWIS, HENRY F. MORGAN.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US488863A true US488863A (en) | 1892-12-27 |
Family
ID=2557709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US488863D Expired - Lifetime US488863A (en) | Plow-cutter |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US488863A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2700833A (en) * | 1950-07-03 | 1955-02-01 | Everett T Small | Scarifier tooth lock |
| US3003568A (en) * | 1961-10-10 | merritt etal |
-
0
- US US488863D patent/US488863A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3003568A (en) * | 1961-10-10 | merritt etal | ||
| US2700833A (en) * | 1950-07-03 | 1955-02-01 | Everett T Small | Scarifier tooth lock |
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