US692000A - Furrow-opener for planters. - Google Patents

Description

N0. 692,000. Patented Jan. 28,1902.

J. L. ASHURST.

FURROW OPENER FUR PLANTERS.

(Application filed Nov. 23, 1901.)

(No Model.)

' 712's aft-brag NITED STATES PATENT OFFICE.

JOHN L. ASHURST, OF HAVANA, ILLINOIS, ASSIGNORJ' TO LEWIS B. ASHURST,

OF KILBOURNE, ILLINOIS.

FURROW-OPENER FOR PLANTE'RS.

SPECIFICATION forming part of Letters Patent No. 692,000, dated January 28, 1902. Application filed November 23, 1901. $erial No. 83,467. (No model.)

To all whom it may concern: point is approximately on line with the center Beit known that I, JOHN L. ASHURST, of the of weight ofthe front frame. The draft-bar city ofHavana, county of Mason, and State of is hinged to the cross-bar 2 of the front frame, 55 Illinois, haveinvented certain new and useful as shown at 6, and it extends rearward be- 5 Improvements in Furrow-Openers for Plantyond the center of weight of the front frame. 'ers, of which the following is a specification. A hollow shank is secured at its upper end This invention is particularly applicable to to the rear end of the draft-bar. A winged grain-drills, and to that class of grain-drills runner of the ordinary construction is at- 60 known as press-drills; but it may be used tached to the lower end of the shank, and its 10 in any form of planter that deposits seed in front end curves upward and connects with a furrow. The invention is exemplified in the draft-bar. AforkedhangerSis attached the structure hereinafter described, and it is to the draft=bar in front of the runner and to defined in the appended claims. the rear of the pivot 6. A rolling cutter 9, 65

One object of the invention isto make a preferably in the form of a circular edge fiat I 5 preliminary cut in front of a furrow-forming disk, is journaled between the downward-exrunner by means of a rolling cutter. tending ends of the hanger, out of contact Another object is to depress trash not sevtherewith. Its position is directly in front of ered by the cutter, so that the runner will ride the cutting edge of the runner, and its pivot 70 over the depressed trash. is at right angles with the direction of travel Another object is to so dispose the runner of the drill. A spring 7 has a seat on the and the rolling cutter that the weight of the draft-bar. Itis fitted under a cross-bar of front frame with which they are connected the front frame, and when the front frame is will be approximately balanced thereon; and lowered it imparts yielding pressure from the 75 still another object is to preclude the accufront frame to the draft-bar. In a com plete mulation of trash or moist soil through the drill or planter there is a plurality of draftjoint operation of the runner and the cutter. bars, each equipped with a runner and a roll- I accomplish the desired result by pivotally "ing cutter, as herein described. connecting a draft-bar with the front cross- When the front frame is lowered into an 80 bar of the front frame of the drill or planter, operative position, as shownin Fig. 2, the cutattaching a seed-conveying shank to the rear ter 9 penetrates the soil at least as deeply as end of the draft-bar in the rear of the center the runner, and as the drill travels along the of weight of the front frame, connecting a cutter opens a thin preliminary cut in which winged runner at its front end with the draftthe thin part of the runner runs, while the 85 bar and at its rear lower end with the shank, wings of the runner spread the walls of the and attaching a rolling cutter to the draftsevered soil sufficiently to form a grain-rebar in front of the runner and in front of the ceiving furrow. Any trash that the rolling center of weight of the front frame. I also cutter is unable to sever is pressed down, so interpose a spring between the draft-bar and that the runner will pass over it, and the su- 0 a part of the front frame above the draft-bar periorfurrow-forming capabilities of the runor provide other means for yieldingly impartner are combined with the superior-soil-cutingpressure from the frontframe to the draftting capabilities of the rolling cutter without bar. detracting from either. The runner extends In the drawings forming part of this speciupward, so that nothing can ride over its for- 5 fication, Figure 1 isa side elevation of a grainward end, and its connection with the draftdrillin which myinvention is embodied. Fig. bar insures stability. I The rolling cutteris in 2 is a detail in side elevation of the draft-bar, frontof the center of weightof the front frame. the runner, and the rolling cutter. Fig. 3 is The runner is in the rear of such center of a detail of the rolling cutter and the hanger weight, and when the drill is at work the 1c: therefor, the view being an elevation taken weight of the front frame is practically balendwise of the drill. anced on the runner and cutter, to the relief The front frame 1 is pivotally conjoined of the team. The cutter is out of contact with the rear frame 4 at the point 3, which with the runner and with the bars of the hanger. travel of the drill, and so it rolls along in front of the runner, makingits preliminary cut and depressing trash without any possibility of becoming clogged. As the spring7 expands and contracts to conform to uneven ground the runner and the cutter rise and fall together, maintaining constant operative correlation.

Iclairn- 1. In a furrow-former for drills and the like, the combination of a draft-bar hinged at its front end to permit vertical swing, a shank attached to the rear end of the draft-bar, a runner on the shank connecting at its front end with the draft-bar, and a rolling cutter journaled in a hanger attached to thedraftbar in front of the runner.

2. Inafurrowformerfordrillsand the like, the combination of a draft-bar hinged at its front end to permit vertical swing, a shank attached to the rear of the draft-bar, a runner on the shank connecting at its front end with Its axis is at right angles with the the draft-bar, and a rolling cutter journaled in front of the runner on a pivot carried by the draft-bar and extending at right angles with the travel of the runner; the cutter being in line with the edge of the runner, substantially as described.

3. In a grain-drill, or the like, the combination of a front frame, a draft-bar hinged at its front end to the front of the front frame and extended back of the center of weight of the front frame, ashank secured to the rear end of the draft-bar, a runner on the shank connecting at its front end with the draftbar, and a rolling cutter journaled in front of the center ofweight of-the front frame in bearings attached to the draft-bar.

In testimony whereof I sign my name in the presence of two subscribing witnesses.

JOHN L. ASHURST.

Witnesses:

CHARLES W. LAOEY, NORA GRAHAM.

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