Beet-Harvester Page: 4 of 6
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UNITED STATES PATENT OFFICE.
JOHN B. STONE, OF PAMPA, TEXAS.
BEET-HARVESTER.Specification of Letters Patent. Patented Dec. 22, 1914.
Application filed October 31,. 1913. Serial No. 798,489.To all whom it may concern:
Be it known. that I, JOHN E. STONE, a
citizen of the United States, residing at
Pampa, in the county of Gray and State of
5 Texas, have. invented new and useful Im-.
provements in Beet-Iarvesters,, of .which
the following is a specification.
The invention'has for its object. -to effect
improvements in a machine such as illus-'
10 trated in my co-pending application Serial
Number' 761,811.
A particular aim is to improve the con-
struction .of "grabs", or beet-gripping. de-
vices, whereby beets of various sizes will be
15 gripped with equal efficiency, and without
liability of damage to an excessive degree.
It is also a purpose to simplify and
cheapen 'the manufacture of the grabs at
the same. time that their efficiency is in-.
20 creased..
Additional objects and advantages will
appear, some of which will be apparent
from' the .following description, and from
the drawings, in which,
25 'Figure 1 is a side view 'of the machine,
Fig. 2 'is a cross 'section thereof looking
toward the rear, Fig. -3 is a top view, Fig.
4, is a detail of one of the grab units, Fig. 5,
is a fragmentary enlarged view showing the
3o relation of the beets to. the gripping devices
when engaged.
There is illustrated a machine including
a wheeled frame 10, on which there is piv-
otally supported the rocking frame 11. upon
35 which there are parallel sets of -orbitally
movable, grab devices and a horizontal shaft
12 operated by the annular gears 13, by
which the grab devices are held in.. fixed
radial relation.
40 A bracket frame 14 supports the shaft 12
and other elements to be named, and serves
at the same time as a brace or truss for the
frame 11, being carried' by a' series of trans-
verse bars 15 by which the elements of the
45 frame 11 are-held in proper relation, as will
be understood from the drawings without
detailed explanation.
The operation of the grabs is, dependent
upon their engagement with the ground,
50 and engagementthereof with beets and re-lease of the same are controlled by two annu-
lar cam and supporting. plates 16, having
broad rear portions beginning at their lower
sides and terminating just beyond a topping
device at the upper part of the machine. 55
Briefly, the grabs consist of two sets of
resiliently connected. ground engaging arms
19 and beet engaging arms. 18, the latter
being opposed, the plates 16 operating be-
tween the respective kinds of arms in each 60
set, having narrow portions which allow the
grabs to open under the effect of the resili-
ent connections and having wide portions
which force the opposed beet-engaging arms
toward each other. In my improved con- 65
struction the number of beet-engaging arms
is double that of the ground-engaging
points, and the former are connected' in
pairs with the latter. Thus a unit of the
grab devices consists of one ground-engag- 70
ing arm and two beet-engaging arms. The
ground-engaging arm is comparatively broad,
and. consists of a piece of heavy sheet metal
having one end pointed,. and bent to pre-
sent two parts at right angles to each other, 75
the ground: engaging or- pointed end 17
being the. longer, 'the other 20 extending
horizontally and being secured'to the gear
ring 13. by suitable means, one convenient
method being by welding, 'as. these., parts 80'
are of a fixed relation and require to be very
rigidly held.
Opposite the gear 13, the horizontal por-
tion 20 is provided , with two guides 21,
which may be formed integrally with each 85
other. .Slidable in these guides 21 there are
stems 22 connected pivotally to the inner
ends 'of the beet-engaging arms 18, these
stems being comparatively broad so that the
arms 18. will: be held securely in radial aline- 90
ment' with 'the . ground-engaging arms 19.
Centrally of each of the arms 18 and 19 a
elongated opening is formed, the metal of the
arm at each end of the opening being pressed
inwardly in the form of.parallel ears 23, the 95
ears on the arms 18 being spaced somewhat
farther apart than those on the arms' 19.
Extended between the ears on each arm there
are small shafts carrying. peripherally
grooved, rollers .24, of sufficient width to 1001,121,686.
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Stone, John E. Beet-Harvester, patent, December 22, 1914; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth858023/m1/4/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.