Plow. Page: 2 of 3
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UNITED
STATES
PATENT OFFICE.
JAMES M. KIRKPATRICK AND JERRY B. FILES, OF FILES, TEXAS.
PLOW.
SPECIFICATION forming part of Letters Patent No. 596,372, dated December 28, 1897.
Application filed June 15, 1897. Serial No. 640,852. (No modeL)To all whom it may concern
Be it known that we, JAMES M. KIRKPAT-
RICK and JERRY B FILES, citizens of the
United States, residing at Files, in the county
5 of Hill and State of Texas, have invented
certain new and useful Improvements in
Plows, of which the following is a specifica-
tion, reference being had to the accompany-
ing drawings.
io The special objects of the present improve-
ments are to render the plow light and strong
and easy - running, reducing the effort re-
quired by the plowman to handle the plow to
a minimum, and to render the handles and
15 beam and plow-plate readily adjustable as
regards pitch and height, as more fully here-
inafter set forth.
Referring to the drawings, Figure 1 is a
side elevation of the plow complete, a part
20 being broken away to show the adjustability
of the plow-plate; Fig. 2, a plan view thereof;
Fig. 3, a rear view of the stock detached, and
Fig. 4 a rear view of the plow-plate detached.
Referring to the drawings by letter, a des-
25 ignates the foot or front standard of the
stock, b the foot-bar, which extends rearward
from the lower end of the foot a, c the rear
standard connecting the rear end of bar b to
an upper connecting-bar d, and e an arched
30 brace connecting the bar d to the standard c
about midway the length of said bar and
standard, these several parts being cast in-
tegral and forming a strong skeleton stock.
Cast integral with the upper end of the foot
35 part a are a pair of plates f, which extend
upward and embrace the beam g, and extend-
ing through the plates and beam is a hori-
zontal pivot-bolt f'. Cast integral with the
stock at the upper end of rear standard c are
40 a pair of upward-extending plates h, which
embrace the beam at a point a suitable dis-
tance to the rear of pivot f', these plates be-
ing provided with coincident holes through
which and a suitable hole in the beam a re-
45 movable eyebolt or pin is passed, this ar-
rangement permitting the beam to be elevated
or depressed at its rear end. Pivoted on op-
posite sides of the stock at the upper end of
the rear standard are the handles s, beveled
50 lugs j being formed on the stock to serve as
bearings for the handles at their pivotal
points and the bolt k serving as the pivot.The lower ends of the handles project down-
ward and forward from the pivot and are ad-
justably clamped or held against the oppo- 55
site sides of the arch-brace by means of a re-
movable pin or bolt 1, the arch-brace being
provided with a series of holes to permit the
pitch of the handles to be readily varied.
It will be observed that the foot-bar b is 6o
beveled throughout its length to a V shape,
and that in a vertical central slot formed in
its rear end is mounted a colter-blade m, this
blade being pivoted at its forward end in the
front end of the slot and having its rear end 65
extended a little beyond the rear end of the
stock and made adjustable in order that it
may be raised or lowered. The colter is ren-
dered adjustable by means of a removable
pin or key m' passing through its rear end 70
and engaging notches in the rear edge of the
stock on opposite sides of the colter, a series
of the notches being provided to permit of a
series of adjustments. The advantage in
beveling the foot-bar and attaching the colter 75
thereto is that the plow can be more easily
handled and guided, the colter and beveled
edge entering the earth far enough to pre-
vent swerving.
It will be evident that any style or pattern 8o
of plow-plate may be used in connection with
our improved stock. In the drawings we
have shown a plow of the double-sweep va-
riety, the sweeps of which are set low in order
to lighten the draft The plow is fastened 85
to the standard by a bolt n, which passes
through the plow and standard, a series of
holes being formed in the standard to permit
the plow to be adjusted and to accommodate
plows of other sorts. The holes in the stand- 90
ard are preferably made angular a part of
their length, so that when but a single fas-
tening-bolt is employed the tendency of the
plow-plate to shift sidewise is avoided. Riv-
eted on the back of the plow-plate are two 95
bars or plates o, one being secured on each
side of the standard and close up to the same,
whereby the plow-plate will be held steady
and braced. The bars o extend downward
and afford a support for the removable point zoo
p, which is bolted thereto The bars o not
only prevent the plow-plate from shifting
sidewise, but also serve to strengthen the
sweeps or moldboards.
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Kirkpatrick, James M. & Files, Jerry B. Plow., patent, December 28, 1897; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth508991/m1/2/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.