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Патент USA US2105145

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Jan. 11, 1938.
w. w. GURNEY
2,105,145
SILO CHUTE
Filed April 29, 1957
5 Sheets-Sheet 1
4.
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Jan. 11, 1938.’
w. w. GURNEY~
'
2,105,145
S ILO CHUTE
Filed April 29, 1937
\
3 Sheets-Sheet 3
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Attorneys
Patented'Jan. 11, 1938
*_ 2,105,145
in ,
umTE-o STATES
PATENT OFF-m- ‘
: 2,105,145
'
SILO CHUTE
William W; Gurney,’ Winona, Minn, assignor to
Madison. Silo Company, Madison, Wis., a cor
pora-tion of Wisconsin
Application April 29, 1937, Serial No.“139,790
8 Claims. (CL 72-43)
My inventionrelates to silos, and‘ more par
ticularly to chutes therefor.
’
By- way of explanation, it is the practice to
construct one type of? silo of concrete staves in
ter?tting attheir edges and concrete door frames
inter?tting at their edges with ‘the adjacent
staves and with each other.
‘
'
The primary object of my invention isv to
with which my invention is particularly con
cerned, such silos are constructed by ‘building up
the aforementioned concrete staves, designated’
I, in tiers 12, to form a circularstructure, the
staves ‘of alternate tiers being staggered with'res
6 .
spect to those of intermediate tiers as will be
understood}
'
'
P
'
The ‘door frames 3,‘which are rectangular in
equip a silo‘of the above identi?ed type with‘ a ' shape, are disposed on top of each other in edge
“10 metal chute enclosing‘the door frames of the
‘to edge relation between two opposite tiers, as
same and jointed to the silo structure so as to
exclude air- and rain'at its juncture therewith.
Another ob-ject‘is to equip a silo-of this con
struction with‘a- sectional chute adapted to be
ii) built up section by section as the building of the.
‘ ‘ siloprogresses, the sections inter?tting‘withone _
“another and with the staves and door frames so
that‘said; sections are supported’entirely by the
silo structure and each other, thereby obviating
the necessity for using bolts, angleirons, hangers,
or similar ' attaching instrumentalities.
tiers respectively. It- may be mentioned at this .15
point, that the staves I of each tier 2 are inter
‘?tted with those of the adjacent tiers in the
same" manner as the doorframes 3 and‘ thead
joining tiers.
The described- silo structure is reinforced by "20
the usual vertically spaced reinforcing hoops 6,
Still another object of my invention is to pro
vide a chute for ‘such silos which is strong, dur
as shown in Figure 1, which, it may be men
able, vpractically impervious to water and to rain,
‘represented vat‘ 1 or in other words, opposite the
J25 easily assembled as regards its component parts,
tioned, are disposed intermediate the doorways
junctures? of ‘the doorframes 3.
readily incorporated with the silo structures and
= According to my invention- the described silo
comparatively inexpensive to manufacture. '
is equipped with a sheet metal ohute<9, preferably
of steel, comprising sections 10 of substantially
Other and subordinate objects will become
readily apparent from the following description
30 and claims when read with reference to the
drawings, accompanying and forming part of
this speci?cation.
In said drawings:
the same height as the doorframes 3 and of U
shape in cross section, arranged one on top of the 30
other in' edge to edge relation, to form a con
tinuous conduit covering as many doorways ‘I as
> Figure 1 is a view in side elevation of a silo
desired. The mating top and bottom edges'of
the sections H] are jointed together by means of
of the type with which my invention is particu
inter?tting edge beads,‘ the top of each section 35
larly concerned and equipped with a chute con
struoted in accordance with my invention;
Figure 2'is a fragmentary view partly in ver
tical section and partly in elevation taken on the
40 line 2-2 of Figure 1, looking in the direction in
dicated by the arrows and drawn to an enlarged
'
shown in Figure 2, and keyed‘ to, or inter?tted
with said opposed tiers by means of vertical
tongue and groove connections 4 and 5 between
the sides of said frame and, the staves I of said
scale.
Figure 3 is a view in transverse section taken on
the line 3-3 of Figure 2, looking downwardly.
Figure 4 is a fragmentary view in vertical
transverse section taken on the line 4-4 of Fig
ure 3.
'
Figure 5 is a fragmentary View in rear eleva
tion of mating sections of the chute.
50
Figure 6 is a, fragmentary view in. transverse
section of a modi?cation of the'invention, and
Figure '7 is a similar view of another modi?ed
form of the invention.
Referring to the drawings by numerals, and
55 ?rst with general reference to the type of silo
In being provided with a small edge exterior bead
II and the bottom edge with a larger bead l2
overlapping the smaller bead ll of the subjacent
section.
V
The vertical edges of each section H), as best 40
shown in Figure 3, are rolled, or crimped, to pro
vide a pair of longitudinally extending marginal
beads I3 on. said edges, respectively, interposed
between the aforementioned tongue and groove
connections 6 and 5, whereby said sections are 45
inter?tted with said frames and the adjacent
tiers 2 to» be supported thereby and also by each
other, as will be clear. Each section 10 at the
corners thereof, formed by the vertical and hori
zontal edges, is notched, as shown at id in 50'
Figure 5, so that the notches of mating sections
form recesses, as at l5, for accommodating the
appropriate hoop 6 or in other words clearing
the latter. The top of the chute 9 may be closed
in any suitable manner as represented at i5.
55
.2
2,105,145
It will be understood that the before mentioned
tongue and groove connection, 4 and 5, may be of
different shapes in different makes of staves.
In Figure 3, said connection is shown as seg
mental and the beads 13 are accordingly corre
spondingly shaped. However, it is to be under
stood that said beads may vary in cross-sectional
contour according to the variations in the shape
of said connection. For instance, as shown in
10 Figure 6, the tongue I6 and. the groove I‘! are
semicircular and the bead l8 correspondingly
4. The combination with a silo having super
posed door frames, of a sheet metal chute having
vertical side edges built into the wall of the silo on
opposite sides of said frames, respectively, said
edges and walls having vertically extending mat
ing key parts Within said wall coacting to lock
said edges in said wall.
5. The combination with a silo having super
posed door frames, of a sheet metal chute com
prising vertical side edges built into the wall of 10
said silo upon opposite sides of said frames, re—
shaped, whereas, in Figure 7, the tongue l9 and
spectively, and comprising sections superposed in
groove 20 are tapered and the head 2! corre
edge to edge mating relation, said sections com
prising edge beads at their mating edges inter
?tting in interlocking relation.
spondingly formed.
The foregoing description will, it is believed,
su?ice to impart a clear understanding of the
construction and advantages of my invention.
It is to be understood, however, that the pres
ent disclosure is illustrative rather than re
20 strictive, and that modi?cations, other than those
disclosed, may be resorted to without departing
from the inventive concept, hence, right is herein
reserved to such other modi?cations of details
described as fall within the scope of the appended
claims.
What I claim is:
l. The combination with a silo having super
posed door frames, of a sheet metal chute hav
ing vertical side edges built into the wall of the
silo on opposite sides of said frames respectively.
2. The combination with a silo having super
posed door frames, of a sheet metal chute having
vertical side edges built into the wall of the silo
6. The combination with a silo having a cement
wall and superposed cement door frames, of a
sheet metal chute having vertical side edges built
into said Wall upon opposite sides of said frames,
respectively, and having a pair of marginal beads 20
extending along said edges, respectively, within
said Wall.
7. The combination with a silo having a cement
wall and superposed cement door frames, of a
sheet metal chute having vertical side edges built
into said wall upon opposite sides of said frames,
respectively, and having a pair of marginal beads
extending along said edges, respectively, within
said wall, said chute comprising sections super
posed one upon another in edge to edge inter
?tting relation.
3. The combination with a silo having super
8. The combination with a silo having a cement
wall and superposed cement door frames, of a
sheet metal chute having vertical side edges
built into said wall upon opposite sides of said
frames, respectively, and having a pair of mar
ginal beads extending along said edges, respec
posed door frames, and hoops surrounding the
tively, within said wall, said chute comprising
silo intermediate said frames, respectively, of a
40 sheet metal chute having vertical side edges built
into the wall of the silo upon opposite sides of
sections superposed one upon another in edge to
upon opposite sides of said frames, respectively,
and comprising sections superposed on one an
other in edge to edge inter?tting relation.
said frames, respectively, and comprising sections
edge mating relation, adjoining upper and lower 40
sections at their mating edges being provided
with a pair of inter?tting beads, the bead on the
superposed on one another in edge to edge inter
upper section overlapping the head on the lower
?tting relation, said sections being of substan
section.
45 tially the same length as the door frames, respec
tively, to register therewith, and having opposed
notched corners for ?tting over said hoops.
WILLIAM W. GURNEY.
45
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