Cutting Apparatus for Corn-Harvesters Page: 2 of 3
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UNITED STATES PATENT OFFICE
WILLIAM II. TILSON, OF PLAINVIEW, TEXAS.
CUTTING APPARATUS FOR CORN-HARVESTERS.
14o. 851,785. Specification of Letters Patent. Patented April 30, 1907.
Application filed December 31, 1906. erial No. 350,179.
To all' w)bhon it - imy coiccrt: le relation at their rear portion. The blade
Be it known that I, WILLUiM H. IILSON', a 5 is located between the rear portions of
citizen of the United States, residing at the corn-guides 4, 4. The said blade 5 is
Plainview, in the county of Hale and State provided with a cutting edge 6, a portion 6o
5 of Texas, have invented a new and useful of which extends substa-ntially transversely
Cutting Apparatus for Corn-Harvesters, of with relation to the corn-guides , 4 and
which the following is a specification. another portion extends at an acute angle
This invention has relation to cutting ap- with relation to the longitudinal axes of tite
paratus for corn harvesters and it consists in said guides 4. The said portions of the cut- 65
1o the novel construction and arrangement of its ting edge 6 are joined together by n Obtluldt
parts as hereinafter shown and described. curved portion. 1le inclined skid 7 is lo-
The object of the invention is to provide a cated in the rear of the cutting edge of the
blade mounted for rotation and which is pro- blade 5. The said skid leads up to the ol ri-
vided at its edge with serrations, some of the zontal passage 8, which for a (distance, passes 70
15 sides of which are rearwardly curved toward around concentric with the center of the
their outer portions. The said curved sides shaft 1. The side rails 9, 9 also follow the
of the serrations are sharpened and are said passage S and are adapted to confine the
adapted to co-operate with a fixed blade at- butt ends of the stalks upon the said passage
tached to the stalk guides of the implement. in a manner as will be hereinafter explained. 75
20 Said fixed blade is also curved and in effect a The wheel 10 is fixed to the shaft 1 and is
shearing out is given to the stalks as they provided at its periphlery with the sprocket
pass between the rotating blade and the teeth 11 which co-operate with the moving
fixed blade. By such arrangement it re- sprocket chain 12 for rotating the said wheel
quires but a single stroke from one of the ro- 10 and shaft 1. The annular flange 13 is So
25 tating blades to sever a stalk. The said ro- vertically disposed and located at the outer
tating blade is mounted upon a wheelwhich portions of the said wheel 10. The radially
in turn is rotated by a sprocket chain. An extending fingers 14 are bolted or otherwise
annular flange is located upon the upper sur- secured to the outer f ace of the flange 13.
face of said wheel and radially extending The said fingers are of such length as to sub- 85
30 fingers are bolted or otherwise attached to stautially extend all the way across the space
said flange.. The said fingers are in elevated between the corn-guides 4, 4 as they pass
positions with relation to the rotating blade, over the cutting edge of the blade 5. Coise-
and are adapted to engage the stalks and quently, the said fingers as they enlgage the
bend them slightly over the fixed blade so sides of the stalks that pass between the 90
35 that the fiber of the stalk may be stretched guides 4, 4 will hend the said stalks slightly
as it is engaged by the rotating blade and to the rear over the cutting edge of the blade
thus facilitate the cutting of the same. The 5 and consequently, stretch the fiber of the
fixed blade is located at the rear ends of stalk and render the same easy of severance.
corn-guides and in the rear of the said fixed iThe annular blade 15 is attached to the 95
40 blade is located a skid and up the said skid wheel 10. Said blade 15 is provided at its
the stalks as they are cut are shunted by the periphery with the serrations 16 which have
said fingers and are moved along until they the straight sides 17 and the curved sides 1 .
are taken up by other parts of the apparatus The said curved sides 18 are sharpened and
for further treatment or manipulation. are adapted to cooperate with the cutting 100
45 In the accompanying drawing:-Figure 1 edges of the blade 5 in severing the stalks.
is a top plan view of the cutting apparatus. As the curved sides 18 pass over t cutting
Fig. 2 is a vertical sectional view of the same edge 6 of the blade 5 the end of the serra-
cut on line 2-2 of Fig. 1, and Fig. 3 is a sec- tions 16 passes beyond the transverse por-
tion cut on the line 3-3 of Fig. 1. tion of the edge 6 and overlaps the portion '05
50 The cutting apparatus comprises a verti- thereof which extends at an acute angle to
ally disposed shaft 1 journaled at its lower the longitudinal axes of the corn-guides 4.
end in a bearing 2 which in turn is mounted Thus the curved sharpened side 18 of the ser-
upon the frame 3 of the implement. The in- rations 16 patss, along the entire length of thener and outer corn-guides 4, 4 are attached transverse portion of the edge G of the blade i o
55 at their rear ends to the frame 3. Said 5 and the stalks that are in engagement with
guides are spaced apart in substantial paral- the said portions of the blade 5 are severed.
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Tilson, William H. Cutting Apparatus for Corn-Harvesters, patent, April 30, 1907; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth508764/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.