US150328A - Improvement in drill-tooth attachments - Google Patents
Improvement in drill-tooth attachments Download PDFInfo
- Publication number
- US150328A US150328A US150328DA US150328A US 150328 A US150328 A US 150328A US 150328D A US150328D A US 150328DA US 150328 A US150328 A US 150328A
- Authority
- US
- United States
- Prior art keywords
- drill
- spring
- block
- bars
- improvement
- 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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- 240000002027 Ficus elastica Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003292 diminished Effects 0.000 description 2
- 230000000414 obstructive Effects 0.000 description 2
- 229920001195 polyisoprene Polymers 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
- A01B61/00—Devices for, or parts of, agricultural machines or implements for preventing overstrain
- A01B61/04—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame
- A01B61/044—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis
- A01B61/046—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis the device including an energy accumulator for restoring the tool to its working position
Definitions
- Figure 1 of the drawing is a representation of a side view of my device; Fig. 2 is a sectional view of the same 5 and Fig. 3 is an end View.
- This invention has relation to the attach- .ment of seeding-machine drillteeth to their drag-bars; and my object is to improve the device set forth in my Letters Patent No- 105,Sl0, dated July 26, 1870, by constructing the fulcrum-bearer for the spring-bar, and also the spring-bearing for this bar, on a block which is longitudinally adjustable between the drag-bars carrying the drill-teeth, as will be hereinafter explained.
- A designates the drag-bars, B the tubular drill-tooth or boot, and O the spring-bar.
- the drag-bars are forked at their front ends in the usual manner, and they are connected at their rear ends to a lug, b, on the front of the tooth B, by means of a pivotjoint.
- Above the pivotal connection of the drag-bars A the rear end of the spring-bar C is connected to a lug, a, on the drill-tooth-B, by means of links 0, which will allow the tooth B to give back should its point strike an obstruction which would be liable to break or derange the parts.
- the block I By loosening the nuts on the bolts h the block I) can be adjusted longitudinally, and the drilltooth set at any desired angle with respect to the drag-bars, according to the depth which it may be desired to run it.
- the block D is constructed with lugs Z on its sides, which receive the drag-bars between them and greatly strengthen these bars, at the same time making them stiffer than they would otherwise be.
- the rod 61 loosely applied to the block D, and passed through the cup k, spring S, and cap k, and provided with an adjustingnut a, in combination with the springbar 0 having its bearing on said block, substantially as described.
Description
I. F. KELLER.
Drill-Tooth Attachments.
Patented April 28 ATTORNEYS.
UNITED STATES PATENT QEEIcE.
JOHN F. KELLER, OF HAGERSTOWN, MARYLAND.
IMPROVEMENT IN DRILL- TOOTH ATTACHMENTS.
Specification forming part of Letters Patent No. 150,328, dated April 28, 1874; application filed March 14, 1874.
To all whom it may concern:
Be it known that I, JOHN F. KELLER, of Hagerstown, in the county of Washington and State of Maryland, have invented a new and valuable Improvement in Drill-Teeth Attachments; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specification, and to the letters and figures of reference marked thereon.
Figure 1 of the drawing is a representation of a side view of my device; Fig. 2 is a sectional view of the same 5 and Fig. 3 is an end View.
This invention has relation to the attach- .ment of seeding-machine drillteeth to their drag-bars; and my object is to improve the device set forth in my Letters Patent No- 105,Sl0, dated July 26, 1870, by constructing the fulcrum-bearer for the spring-bar, and also the spring-bearing for this bar, on a block which is longitudinally adjustable between the drag-bars carrying the drill-teeth, as will be hereinafter explained.
The following is a description of my invention:
In the annexed drawings, A designates the drag-bars, B the tubular drill-tooth or boot, and O the spring-bar. The drag-bars are forked at their front ends in the usual manner, and they are connected at their rear ends to a lug, b, on the front of the tooth B, by means of a pivotjoint. Above the pivotal connection of the drag-bars A the rear end of the spring-bar C is connected to a lug, a, on the drill-tooth-B, by means of links 0, which will allow the tooth B to give back should its point strike an obstruction which would be liable to break or derange the parts. The
S designates an india-rubber block, which is seated upon the cup 70, and confined in place thereon by means of a bolt, d, having a T-head on its lower end. This bolt passes freely through the block D, through the cup 70 and its spring S, and also through a cap, is, on the upper end of the spring, and receives on it a nut, 13, by adjusting which the force of the spring can be increased or diminished. The block D is slotted longitudinally, and secured to the drag-bars A by means of bolts h, which are passed through said longitudinal slot. By loosening the nuts on the bolts h the block I) can be adjusted longitudinally, and the drilltooth set at any desired angle with respect to the drag-bars, according to the depth which it may be desired to run it. The block D is constructed with lugs Z on its sides, which receive the drag-bars between them and greatly strengthen these bars, at the same time making them stiffer than they would otherwise be.
It will be seen from the above description that the spring S is applied to the same block on which the bar 0 hasits fulcrum; consequently, when the block is adjusted to change the angle of the tooth B, the relative positions of the spring and fulcrum 0 will not be changed.
What I claim as new is-- 1. The adjustable block D, in combination I i with spring-bar 0, spring S, and drag-bars A, substantially as described.
'2. The rod 61, loosely applied to the block D, and passed through the cup k, spring S, and cap k, and provided with an adjustingnut a, in combination with the springbar 0 having its bearing on said block, substantially as described.
In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.
JOHN F. KELLER. Witnesses:
GEORGE E. UPHAM, PHIL. O. MAsL
Publications (1)
Publication Number | Publication Date |
---|---|
US150328A true US150328A (en) | 1874-04-28 |
Family
ID=2219741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US150328D Expired - Lifetime US150328A (en) | Improvement in drill-tooth attachments |
Country Status (1)
Country | Link |
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US (1) | US150328A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2944613A (en) * | 1957-09-09 | 1960-07-12 | Peter B Anderson | Spring release mounting for cultivator shank |
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0
- US US150328D patent/US150328A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2944613A (en) * | 1957-09-09 | 1960-07-12 | Peter B Anderson | Spring release mounting for cultivator shank |
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