Stalk and Straw Chopper. Page: 3 of 4
[2], 2 p. : ill. ; 23 cm.View a full description of this patent.
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UNITED STATES PATENT OFFICE.
WAtLACE W. GRAY AND FRANK P. WITZSCHE, OF LOTT, TEXAS.
STALK AND STRAW CHOPPER.1,156,992.
Specification of Letters Patent. Patented Oct. 19, 1915.
Application filed November 9, 1914. Serial No. 871,161.o all whom it may concern:
Be it known that we, VALLACt W. Gni i
and FRANK P. WrrzscIE,. .citizens of the
United States, residing at Lott, in the
5 county of Falls and State of Texas, have
invented certain new and useful Improve-
ments in Stalk and Straw Choppers; and
we do declare the following to be a full,
clear, and exact description of the inven-
10 tion, such as will enable others skilled in
the art to which it appertains to make and
use the same.
Our invention relates broadly to improve-
ments in agricultural implements and spe-
15 cifically to stalk, straw and weed choppers
for attachment to plows.
The main object of the -invention is to
provide an extremely simple device having
a number of advantageous features, and to
20 construct the same in such a manner as to
render it readily applicable to any plow
beam.
In carrying out the above end, a further
object becomes to provide novel means for
25 mounting the cutter proper in such a man-
ner as to allow the same to have a slight
amount of vertical movement against a pair
of springs.
Yet another object is to provide an ad.
30 justable attaching bracket for connecting
the device to a plow and to connect a cutter
carrying frame to said bracket, in such a
manner as to allow said frame to be adjust-
ed laterally, thereby adjusting the cutter to-
35 ward one side of the plow or the other.
With the above and minor objects in view,
the invention resides ini certain novel fea-
tures of construction and combination here-
in described and claimed and shown in the
40 . awings wherein;
Figure 1 is a side elevation of a device
constructed in accordance with my inven-
tion, showing its application to the beam of
a plow; Fig. 2 is a transverse vertical sec-
45 tion as seen on the line 2-2 of Fig. 1, show-
ing one of the adjusted positions of the cut-
ter carrying frame, in dotted lines; Fig. 3,
is a similar view taken on the line 3-3 of
Fig. 1; Fig. 4 is a perspective view of one
50 of the attaching brackets; and Fig. 5 is a
similar view of the cutter carrying frame.
In the accompanying drawings, an ordi-
nary plow P is illustrated having the usual
beam B and handles H. Connected to the
55 beam B by a U-shaped clip 1, is a pair of L-
shaped attaching brackets 2 whose hori-zontal arms (see more particularly Fig. 3)
are provided with slots 3 through which
pairs of clamping bolts 4 rise, said bolts
likewise passing through slots 5 formed in a 60
horizontal transverse bar 6 which consti-
tutes a portion of an inverted U-shaped cut-
ter carrying frame, the opposite ends of
said bars 6 being bent downwardly to pro-
vide a pair of parallel arms 7,whose lower 65
ends are provided with vertical slots 8.
Mounted for vertical movementwithin
the slots 8 is a horizontal transverse shaft 9
which is provided with :stops 10 contacting
with the inner sides of the arms 7, and.with 70
other stops 11 spaced inwardly from those
designated at 10, said. stops 11 holding a
pair of four-naried spiders 12 against hat-
eral shifting on the shaft. The two spiders
12 are connected by cutting blades 13 as 75
most clearly seen in Figs. 2 and 3, and are
revolubly mounted upon the shaft as most
clearly disclosed in the last named figure.
By reference to the various figures of the
drawings, it will be seen that the free ends 80
of the shaft 9 are passed through eyes 14 on
the lower ends of upright rods 15, said rods
having their upper ends slidably mounted
in guides 16 which project laterally from
the upper end portions of the arms 7, said 85
guides being here shown in the form of eye
bolts. Interposed between the guides 16
and the eyes 14 and encircling the rods 15
is a pair of upright coiled springs 17, which
exert their tension to normally force the 90
cutting blades into contact with the litter on
the ground, and which allow said cutters to
move upwardly in case a stone or other ob-
stacle should be struck. Cotter pins 18 are
preferably passed through the free ends of 96
the shaft 9 for the purpose of preventing
removal of the eyes 14.
A device constructed in accordance with
the above description and the accompanying
illustration, possesses numerous advantages, 100
the most prominent being the fact that the
two brackets 2, may be spaced suitable dis-
tances to render the device applicable to any
size plow beam, without altering the latter
in any manner whatsoever. A further ad- 106
vantage is derived by the adjustable con-
nection between the brackets and the U-
shaped frame, since said frame may be ad-
justed laterally with respect to.the brackets,
as seen in dotted lines in Fig. 2, thereby cor-- 110
rectly centering the cutter with respect to
the plow P, thus insuring cutting .of all
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Gray, Wallace W. & Witzsche, Frank P. Stalk and Straw Chopper., patent, October 19, 1915; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth858524/m1/3/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.