Improvement in Sulky Plows Page: 2 of 2
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bited tates Vatd Offfiee.
JOHN G. BOYD, OF DECATUR, TEXAS, ASSIGNOR TO HIMSELF AND ALLEN
BAILEY, OF SAME PLACE.
Letters Patent No. 101,574, dated Apiril 5, 1870.
IMPROVEMENT IN SULKY PLOWS.
The Schedule referred to in these Letters Patent and making part of the same.
To alt whom it may concern: of the screw-bolts e, and adjustable braces I I, pro-
Be it known that I, Jonr G. BoYDi of I)Deeatur, vided with adjusting-nuts f f.
in the county of Wise and State of Texas, have in- Brace rods J 3, running from the staples b b to
vented certain new and useful Improvements in Sul- similar staples g g on the axle, prevent any forward
ky Plows; and I do hereby declare that the follow- movement of the beam, which is raised and lowered
ing is a full and exact description thereof, reference in parallel lines in the following manner, to wit:
being had to the accompanying drawings making a The pin K, being withdrawn from the tongue F,
part of this application. the rear end of the lever-bar is elevated, which lifts
The object of my invention is to provide an eco- the sulky in a perfectly vertical line a distance equal
nomical and certain means for regulating the depth of to the distance traveled by the lever, or, in other
furrow, and consists in hanging the beam as will be words, drives the.plow-points into the ground. The
hereinafter more fully set forth. pin K is then put through the hole in the tongue F
To enable those skilled to make -and use my in- immediately under the lever, which holds it in place,
proved sulky plow, I will proceed to describe the con- and, consequently, the furrow made will be of uniform
struction and operation of the same, referring by let- depth.
ters to the accompanying drawings.' The protruding portions of the uprights serve as
Figure 1 is a top view; guides to the beam and prevent any lateral move-
Figure 2, a side view; and ment.
Figure 3, a front view on a reduced scale. The object of the series of holes in the uprights
Similar letters of reference denote like parts in the and the tongue F' will readily be understood to be ibr
several views. the purpose of regulating the extent of the movement
A A are the two wheels, and of the beam by the lever-bar.
B, the axle of the sulky, the former secured in the It will thus be seen that the depth of fiurow hav-
usual manner by pins a. ing been determined upon, the beam is set according-
At equal distances firo the wheels are erected, ly, and the driver takes his seat and is relieved of all
upon the axle, two uprights C0 , to which is secured the skill and labor necessary in making a furrow of
the driver's seat D, the standards shouldered at the uniform depth.
upper side of the aile, and their lower ends protrud- I have discovered, by practice, that square corners
ing a short distance below the axle, to serve as guides are easily turned with my improved plow, and all
for the beam, as will be presently explained, work required to be done by it readily and easily ac-
E is the beam, provided, near to either end, with complished. Of course the number of furrows may
tongues F F' the front end being also furnished with be increased, by slight modifications in the design,
a clevis, G, and staples b b. without departing from the spirit of my invention.
The tongues are provided with any desired number Having thus described the construction and opera-
of holes, for the purpose presently explained, the tion of my improved plow,
standards C O being furnished in a like manner with 'What I olaim as new, and desire to secure by Let-
holes for the reception of a pin, d. ters Patent, is-
The axle, on its under side, is recessed or cut away The lever H, fulcrumed at d, the standards F and
to form a seat for the beam E, which is secured to the F', beam E, and guides C, all arranged and operating
sulky and held in place by means of a lever-bar, H, substantially as and for the purposes set forth.
passing between the two uprights, to which it is se- In testimony whereof I have hereunto set my hand
cured by the pin d. The tongues F F of the beam and seal this 4th day of November, 1869.
passing up through slots formed at either end of the Witnesses: J. G. BOYD. [L. S]
lever-bar, are secured to the same by pins or bolts. G. B. PENsIo'Gror,
The plow-shares are secured to the beam by means J. N. MILLS.
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Boyd, John G. & Bailey, Allen. Improvement in Sulky Plows, patent, April 5, 1870; [Washington D.C.]. (texashistory.unt.edu/ark:/67531/metapth165223/m1/2/: accessed December 13, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.