US307658A

US307658A - johnson

Info

Publication number: US307658A
Authority: US
Publication date: 1884-11-04
Anticipated expiration: 1901-11-04

Description

(No Model.)

J. B., W. H.,& 0. B. JOHNSON. SEED DRILL TOOTH.

Patented Nov. 4, 1884.

WITNESSES .1 6, 7&1 5

W Q-4 (lwyaw'ka, Attorney.

ltl'ntrien States Patent Orrie j.

JESSE B. JOHNSON, \VILLIAM H. JOHNSON, AND OSCAR B. JOHNSON, OF INDIANAPOLIS, INDIANA, ASSlGNORS OF ONE-HALF TO CHARLES P. JACOBS, OF SAME PLACE.

SEED=DRILL TOOTH.

QPE ZIFECATION forming part of Letters Patent No. 307,658, dated November 4, 1884. Application filed July 28, 1881. (No model.)

To aZZ whom it may concern: in the lugs R R and through the eye of the 50 Be it known that we, JEssE B. JoHNsoN, bolt 0. The eye E of the bolt fits into the.

WM. H. JOHNSON. and ()soan B. J oinvsortcitirecess R between the eyelugs It R.

Zens of the United States, residing at Indian Q is a nut on the threaded end of bolt Q.

apolis, in the county of Marion and State of The bolt Q is a pivot, upon which the tooth Indiana, have invented certain new and use may be turnedback from its position, as shown fnl Improvements in Secd-Drillleeth, and we in Figs. 1 and 2, when the pin P is broken or do hereby declare that the following is a full, withdrawn. The hook ends P P of the lug clear, and exact description of the same, rei'- P lie against the under side of the stock A, and

IQ erence being had to the annexed drawings, they inclose the eye J in the recess P between making a part of this specification, and to the them. \Vhen thus arranged and the pin P 60 letters and figures ofref'erence marked thereon. inserted through the eye J, the hooks P P are This invention relates to seed-drill teeth; over said pin. Then by screwing down the and it consists in the parts which will be herenut K the bolt H and pin P are drawn upinatterdcscribed,and pointed outin the claims. ward, and the upper sides of the hooks P P" In the accon'ipanying drawings, Figurel repdrawn tightly against the under side of the 6 5 resents a side elevation of the device attached stock, and the tooth thereby held firm and seto a fragment of the drill-stock. Fig. 2 is a cured. By this means the tooth may be tightccntral vertical section of the parts shown in cned when it becomes loose on the stock. The

Fig. 1. Fig. 3 is a top plan View of the tooth, rear pivot-bolt, C, may also be drawn up and and Fig. t is a front elevation of the same. the tooth secured in like manner. Like letters indicate like parts throughout The object of this invention is to attach the the several views. tooth directly to the under side of the drill- The letter A represents the drill-stock, prostock without the intervention of a plate be- 25 vided with the opening B for the reception of tween tooth and stock. Heretoforc certain mathe hose from the top and the admission of chines in this class have been constructed with the tooth-collar from below. a plate immediately under the drill-stock. To U is an opening in the stock for the recepthe underside of this plate the tooth is secured tion of bolt I). Said boltis provided with eye by cross-pins or bolts, the plate being bolted Eonitslowerend and athreaded upper end, F. to the stock. By this arrangement the plate G is a nut, and G a washer, on bolt D. could be rigidly united to the stock; but when H is an opening in the stock forward of the the tooth became loose upon the plate it could opening 13. not be tightened. W'c remedy this defect by I is a bolt through opening H. attaching our tooth to the stock by means of Jis an eye on said bolt, and J isthc threaded cyebolts passing vertically through the stock. end thereof, provided with nut K and wash- By this arrangement we do away with the plate 8 5 or K. and produce a simple and ei'i'ective device. L is the tooth, provided with opening L. The upper surface of the arms P and R are in M is the point or shovel on the tooth, sea plane with the upper surface of the elliptical o cured thereto by bolt and nut M. flange 0, whereby a substantial flat surface is N is a collar on the upper end of the tooth, presented to the under side of the drillstock, 0 and O is an elliptical flange projecting outthus aiding in the prevention of lateral play ward from the base of the collar N. of the tooth.

l is a lug projecting forward from the up Having thus described our invention, we 45 per end of the tooth. This lug is provided claim as new and desire to secure by Letters with hook ends I 1", between which (in the Patent recess P) the eye J fits. l. A drilltooth provided with hook-arms l is a wooden break-pin through the eye J. on its upper front side and two projecting arms Q is a bolt which passes through openings on the rear upper side thereof, said rear arms ing arms on the rear upper side thereof, said rear arms having an intervening recess for the reception of the eye of the rear bolt, and also provided with cross-openings for the transverse pivotal bolt, the upper end of the drill being provided with the broad flange O, the upper surface of the front and back arms being in a plane with upper surface of said flange,whereby a series of flat even surfaces are presented to under side of the drill-stock, and lateral play of the tooth prevented, in combination with the stool: provided with the openings 0 B H, the eyebolts D I, bolts Q, and pin 1?, substantially as described, and for the purpose set forth.

3. A drill-tooth provided on its upper side with the collar N, lateral flange O,and front and rear arms, I? R, in combination with the stock A, having d rillopeniug B, bolt-openings O H, the eyebolts D I, cross-bolts Q, and pin 1?, V

substantially as described, and for the purpose set forth.

l. A drill-tooth provided on its upper front side with hook-arms P and on its rear upper side with arms R, having eross-bolt openings therein, in combination with the stock A, having drill-opening B, bolt-openings G H, the eyebolts D I, cross-bolts Q, and pin 1 substantially as described, and for the purpose set forth.

In testimony that we claim the above we have hereunto subscribed our names in the presence of two witnesses.

JESSE JOHNSON. WM. H. JOHNSON. OSCAR B. JOHNSON. \Vitnesses:

GEORGE A. DANLEY, E, G. VHEELER.