Egg Tester. Page: 3 of 5
[2], 3 p. : ill. ; 23 cm.View a full description of this patent.
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UNITED STATESPATENT OFFICE.
JOHN L. SMITH, OF AZLE, TEXAS.
EGG-TESTER.Specification of Letters Patent. Patented Mar. 25,1913.
Application filed September 23, 1912. Serial No. 721,899.To all whom it may concern:
Be it known that I, JOHN L. S~irnH, a
citizen of the United States, residing at
Azle, in the county of Tarrant and State of
5 Texas, have invented certain new and useful
Improvements in Egg-Testers; and I do
declare the following to be a full, clear, and
exact description of the invention, such as
will enable others skilled in the art to which
10 it appertains to make and use the same.
This invention relates to the class of op-
tics, and more especially to testing instru-
ments; and the object of the same is to pro-
duce an improved egg tester.
15 To this end the invention consists in a
machine comprising a hopper for the eggs,
a light on a lower level than the mouth of
the hopper but out of direct alinement with
it, a reciprocating carrier between the hop-
20 per and light, and a delivery chute, whereby
the eggs are taken automatically one at a
time from the hopper and stood on end over
the light for a moment so that the operator
can inspect them, and later delivered
25 through the chute onto a table or into a suit-
able receptacle.
The details of this invention are more
fully set forth in the following specification
and claims, and shown in the drawings
30 wherein-
Figure 1 is a central vertical longitudinal
section through this device, showing in dot-
ted lines the course of an egg from the hop-
per to the outlet; and Fig. 2 is a plan view
35 of the machine complete. Fig. 3 is a rear
elevation of the machine; Figs. 4 and 5 are
horizontal sections on the lines 4-4 and
5-5 respectively of Fig. 1.
While this machine may be built of any
40 suitable materials and of any suitable size,
in the embodiment herewith I have illus-
trated a machine capable of use by hand and
in connection with the light, herein an elec-
tric bulb although of course it could be of
45 some other type, and I will describe its details
accordingly. The box-like casing 1 has its
upper corner bars 2 projected at one ex-
tremity so that the hopper 3 may be car-
ried between them and its mouth 4 at the
50 bottom of its inclined bottom 5 will stand
over the casing. At the top of the latter is
a reciprocating carrier, here shown as con-
sisting of a board or boards 6 slidably
mounted in grooves 7 in the inner faces of
55 said bars 2, and reciprocated in a horizontalplane beneath the mouth 4 of the hopper by
means of crank mechanism herein shown as
consisting of a shaft 8 having a crank han-
dle 9 at its outer extremity and a wheel 10
inside the casing, and a pitman rod 11 con- 60
nesting a crank pin 12 on said wheel with
a point. 13 on the carrier 6. The construc-
tion is such that when the crank handle is
rotated the pitman rod causes the reciproca-
tion of the carrier in a manner which will 65
be understood. Above the inner end of the
carrier 6 the box may be covered over as at 14,
although this is not absolutely necessary;
but beneath the rear or outer end of the
carrier 6 the top of the box is open so 70
as to permit the longitudinal movement
therein of a tubular guide 16 which hangs
from the carrier 6 and is of a size to receive
the largest egg but to cause it to stand on
end as shown in the drawings. The upper 75
end of this guide communicates with an
opening 15 in and through the carrier 6,
whereas the lower end 17 of the guide is
open.
Disposed within and across the interior of 80
the casing is a shelf 18 whose upper surface
is padded as at 19 at a point directly be-
neath the mouth 4 of the hopper 3 and pref-
erably near the rear wall 20 of* the casing,
and a little farther inward or more remote 85
from said wall the padded shelf. is pierced
with an opening 21 surrounded by a soft
flange 22 of such size that the smallest egg
cannot drop through the same. A light 23
stands beneath the center of the opening 21, 90
and in the present case it is shown as an
electric light whose terminals 24 extend to
the exterior of the casing where they may
be connected with a suitable source of elec-
tricity (not shown), a switch 25 being pref- 95
erably introduced into the circuit at some
suitable point so that the current may be
cut off when desired. The innermost end
of the shelf curves inward or forward as at
26 at a point yet farther from the rear wall 100
20 than the light and the opening above it;
and disposed adjacent to said inner end 26
is a curved delivery chute 27, made of metal
or other suitable material, possibly padded,
and supported in any suitable way within 105
the casing. The upper end 28 of this chute
stands at a point above the-lower end of the
curved portion 26 of the shelf, and yet so
low that the lower end of the guide 15 can
never strike it, the body of the chute curves 1101,056,953.
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Smith, John L. Egg Tester., patent, March 25, 1913; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth853592/m1/3/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.