Seed-Planter. Page: 3 of 4
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UNITED STATES PATENT OFFICE.
JOHN W. THOMPSON, OF ALVORD, TEXAS.
SEED-PLANTER.
SPECIFICATION forming part of Letters Patent No. 458,846, dated August 25, 1891.
Application filed May 25, 1891. Serial No, 394,014. (No model)To all wo 071, it 7macy concern:
Be it known that I, JOHN W. THOMPSON, a
citizen of the United States, residing at Alvord,
in the county of Wise and State of Texas, have
5 invented a new and useful Seed-Planter, of
which the following is a specification.
This invention relates to seed-planters of
that class which are provided with revolving
hoppers; and it has for its object to provide
to a machine of this class which shall be adapted
for planting, cotton, corn, or other peed, and
which shall be simple in construction and
efficient in operation.
The invention consists in the improved con-
15 struction, arrangement, and combination of
parts, which will be hereinafter fully de-
scribed, and particularly pointed out in the
claims.
In the drawings hereto annexed, Figure 1
20 is a plan view of a seed-planter constructed
in accordance with my invention. Fig. 2 is
a side elevation of the same with parts broken
away to show the construction. Fig. 3 is a
longitudinal vertical sectional view. Fig. 4
25 is a vertical transverse section taken on the
line 4 4 in Fig. 2.
Like numerals of reference indicate like
parts in all the figures.
The frame of my improved seed-planter,
30 which is designated by 1, is rectangular in
shape and is provided with the draft-bar 2,
the handles 3 3, and the rearwardly-extend-
ing bracket 4, to the sides of which are con-
nected the standards 5, the lower ends of
35 which carry the covering-shovels 6. The
sides of the frame are provided with boxes 7,
supporting the transverse shaft 8, which is
secured non-revolubly in said boxes.
9designatesthe hopper, which is composed
40 of pans or receptacles 10 and 11, secured to
opposite sides of a central disk 12. The lat-
ter is provided with a central opening 13,
and with radial grooves or slots 14, which lat-
ter are located at equal intervals, say three
45 inches apart.
To the opposite sides of the central disk 12
are secured the sheet-metal disks 15 and 16,
which are of slightly-different diameters, the
disk 15, secured to the side of the centerdisk
50 12, having the pan or receptacle 10, being
somewhat larger than the disk 16, which is
secured on the opposite side of the centerSdisk. One of the sheet-metal disks, in this
instance the disk 15, is provided with slots
17, registering with the radial slots 14 in the 55
central disk 12. Slides 18, which are mounted
in the slots 14 of the center disk, are pro-
vided with guide-screws 19, extending out-
wardly through the slots 17and engaging the
springs 20, which are arranged to force the 60
slides 18 in an inward direction in their re-
spective slots.
The shaft or axle 8 is provided with cen-
trally-located downwardly-extending arms 21,
having bearings for a spindle 22, carrying a 655
wheel 23, adapted to engage the inner ends of
the slides 18 for the purpose of forcing the
said slides outward against the tension of the
springs. The inner ends of the slides 18 are
rounded, so as to be readily engaged and to
actuated by the wheel or roller 23.
The disks 15 and 16 are provided with out-
wardly-extending bosses 24 to accommpdate
the arms 21, carrying the wheel 23, and the
said bosses, as well as the pans 10 and 11, 75
forming the sides of the hopper, are provided
with perforations forming bearings, whereby
the hopper is mounted revolubly upon the
shaft S.
The pans or receptacles 10 and 11 are pro- 80
vided with suitable openings 26, having slid-
ing covers 27, through which seed may be in-
troduced into the compartments of the hop-
per. Arms or stirrups, as 28, may also be se-
cured adjustably to the center shaft 8 within 85
one or both compartments of the hopper.
In operation the seed is placed in the hop-
per-compartments of the hopper. The com-
partment formed by the pan 10, which is ad-
jacent to the larger disk 15, is intended for 90
corn, peas, and the like, while the opposite
compartment 11,adjacent to the smaller disk
16, is intended for cotton-seed. This is for
the reason that owing to the smaller size of
the disk 16 a greater quantity of seed willbe 95
admitted to the seed-cups, which are formed
by the outer ends of the slots 14, or rather
the openings for the passage of the seed, ow-
ing to the smaller size of the disk 16, are
larger than the openings upon the opposite oo
side, which is obviously necessary, owing to
the peculiar nature of the cotton-seed, as is
well understood. When in its passage over
the ground the hopper revolves, the seed
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Thompson, John W. Seed-Planter., patent, August 25, 1891; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth172770/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.