Cutting Apparatus for Corn-Harvesters. Page: 2 of 3
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UNITED STATES PATENT OFFICE.
WILLIAM H. TILSON, OF PLAINVIEW, TEXAS.
CUTTING APPARATUS FOR CORN-HARVESTERS.
No. 875,749. Specification of Letters Patent. Patented Jan. 7, 1908.
Application filed April 3, 1906. Serial No, 309,644.
To all whom it may concern: between the guide bars 2 and 3. The wheel
Be it known that I, WILLIAM I. TfsoN, a or disk 5 is provided with a plurality of de-
citizen of the United States, residing at pending bolts 7 serving to support an annular 55
Plainview, in the county of Hale and State cutting disk 8 having a beveled cutting edge
5 of Texas, have invented a new and useful 9; said cutting disk being spaced from the
Cutting Apparatus for Corn-Harvesters, of wheel or disk 5 by means of spacing sleeves
which the following is a specification. 10 upon the bolts 7, which latter are equipped
This invention relates to an improved cut- with tightening nuts 11. The cutting disk 60
ting apparatus for corn harvesting machines, is supported directly above and adjacent to
10 which, while capable of general application, the horizontal plane of the guide bars 2 and 3,
is particularly designed to be used in connec- and it is adapted to coperate with a station-
tion with, and to constitute a part of, the ary cutter 12 suitably connected with and
improved corn harvester for which Letters supported by the guide bars 2, 3, said station- 65
Patent of the United States were granted to ary cutter being preferably provided with an
15 me October 23, 1906, and numbered 833,986. obliquely disposed cutting edge 14 coper-
The object of the present invention is to ating with the edge 9 of the disk 8 to sever
enable the rotary cutter to be located in close the stalks that may be brought into engage-
proximity to the main driving shaft of the ment therewith by the radial arms or spokes 70
machine; other objects are to simplify and 6 of the wheel 5, or by such other means as
20 improve the general construction and opera- may be provided for the purpose.
tion of the cutting apparatus. The shaft 4 is provided with a bevel gear
With these and other ends in view, which 15 meshing with a bevel pinion 16 upon the
will readily appear as the nature of the in- main driving shaft 1, said bevel pinion being 75
vention is better understood, the invention disposed within the opening or aperture of
25 consists in the improved construction and the annular cutting disk, as shown. By
novel combination and arrangement of parts, this construction, the cutting apparatus may
which will be hereinafter fully described and not only be disposed very closely adjacent to
particularly pointed out in the claims. the main shaft 1; but the position of the cut- 80
In the drawings, Figure 1 is a plan view ting apparatus may be conveniently changed
30 illustrating a preferred form of the improved longitudinally ofl the main shaft by providing
cutting apparatus, the shaft carrying the ro- the latter with a spline, as 17, engaging the
tary cutter being shown in section. Fig. 2 pinion 16, the position of which latter upon
is a vertical sectional view taken on the the shaft is thus capable of being shifted. 85
plane indicated by the line 2-2 in Fig. 1. In Figs. 3 and 4 of the drawing, there has
35 Fig. 3 is a plan view illustrating a modifica- been illustrated a modification which consists
tion. Fig. 4 is an edge elevation of an aux- simply in substituting for the obliquely dis-
iliary cutter showing the annular cutter in posed stationary knife 12 a rotary cutter 18
section cut on the line 4-4 of Fig. 3. mounted upon a shaft 19; and provided with 90
Corresponding parts in the several figures a serrated edge forming teeth 20. Connected
40 are indicated throughout by similar charac- with and suitably spaced from the rotary
ters of reference. cutter 18 is a disk 21 which overlaps the cut-
In the preferred form of the invention ting edge of the annular cutter 8, which lat-
illustrated in Figs. 1 and 2, 1 designates the ter is thus maintained in constant engage- 95
main driving shaft of a machine to which the ment with 'the rotary cutter 18.
45 invention is applied, and 2, 3 represent angle Having thus described the invention, what
bars between which the stalks are guided into is claimed is:
engagement with the cutting apparatus. A 1. A cutting device including a shaft, a
vertical, or approximately vertical, shaft 4, main annular cutter carried thereby and hav- 100
which is supported at right angles to the ing a circular cutting edge, a peripherally
50 shaft 1, or approximately so, carries a wheel serrated auxiliary cutter supported in en-
or disk 5 having radially extending arms or gagement with the main cutter, and a disk
spokes 6 that extend across the space or path of less diameter than and disposed over the
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Tilson, William H. Cutting Apparatus for Corn-Harvesters., patent, January 7, 1908; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509517/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.