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Патент USA US2405378

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F. E. THOMAS
CONVEYER STRUCTURE
Filed Aug‘. '7, 1943
2,4537?
2,405,378
Patented Aug. 6, 1946
UNITED STATES PATENT OFFICE
Frank E. Thomas, Chicago, 111.
Application August 7, 1943, Serial No. 497,819
7 Claims. (Cl. 198—140)
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particular bucket structure comprising the es
This invention relates to conveying mechanism
such as may be preferably utilized for convey
ing, carrying, or transporting granulated, ?ake
sence of my invention.
Fig. 4 is a front view of the view shown in
Figure 3, with portions broken away to illustrate
like, or comminuted materials from one place to
how the bucket is secured to the conveyer system.
another, or a conveying means which may be
Fig. 5 is a fragmentary end view, or side view
used for mixing or agitating such material by
of the View shown in Figure 4, and V
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constant circuitous operation of the said con
Fig. 6 is an enlarged view showing the secur
veying means.
ing means for attaching the bucket structure to
One object of my invention is to provide a
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bucketstructure for picking up the said com 10 the conveyer proper.
‘In Figure-1, ‘I generally designates two pieces
minuted, granular, or flake-like materials when
of endless belting which may be partly of V
the said bucket structure is in an inverted posi
shape in order to insure better frictional contact
tion, and carry the contents within the bucket
and traction with the V groove pulleys 9, l0 and
tion whence the contents are held in the bucket .15 II. Upon this V belting, the buckets comprising
‘my invention, generally designated 8, are secured
structure by gravity, retaining the contents until
at such spaced intervals as may be found most
the, conveyer reaches the point where the con
desirable for the operation to be performed. This
tents of the bucket are to be disposed and the
structure until it reaches an initial upright posi
?gure merely showsa schematic arrangement of
Another object of my invention is to provide 20 a conveying means wherein the purpose of the
bucket structure is to pick up a certain amount
a bucket structure of the aforementioned char
of granular 0r comminuted material 26 and
acter which is provided with ?ange or lip means
carry the' same in a continuous circuitous path
at the top so that when the said bucket struc
bucket emptied.
ture is brought into contact with a ?exible or v25 as indicated by the arrows on the conveyer sys
elastic wiper element it will aid in retaining the
The angularly positioned platform l2 tend
contents within the bucket structure while the
ing to receive the material dumped out from the
bucket structure is in an inverted position, and
inverted bucket 8, and concentrating it toward
thus prevent the contents which the bucket has
30 the pulley l0, causing the same material to be
picked up from spilling therefrom.
picked up and dumped at the mouth formed be
I Another object of my invention is to provide
tween the pulley l0 and the point I6 where the
a bucket structure of the aforementioned char
tem.
acter in combination with a wiper means en
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element I4 is attached.
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With this particular type of arrangement or
abling the said bucket structure to hold its con
tents while in its inverted position during the 35 structure, the material 26 is merely agitated when
the conveyer is set into operation. If it is de
sired to transport the material to another posi
tion from the position where itvis picked up,
'a‘ bucket structure of the aforementioned char
namely, near the roller I0, then‘ the conveyer
acter to be used in conjunction with conveying
mechanism which is simple in construction, prac 40 systemis so extended as to reach the designated
tical in its operation, and of such simple struc
Y The structure is, preferably, provided with a
ture that it will lend itself to economical quantity
base I‘! and side plates (not illustrated) in order
production.
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to con?ne the material 26 within a suitable
Other objects, features, and advantages, in
herent in my invention will become apparent 45 hopper-like structure, the belting 1 as will be
seen is mounted in an endless form over the
from'an examination of the accompanying draw
guide pulleys of which there may be a greater
ing and the ensuing description wherein like nu
number than those shown, namely, 9, l0 and H.
merals are used to designate like parts and in
To the base structure I‘! the anchoring element
which;
‘cycle of operation.
Another object of my invention is to provide
point
50
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,
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or portion [3 is secured in any manner, not actu
ally indicated on the drawing. This serves the
purpose of securing one end of the element I4.
bucket structure.
The other end of the element I4 may be secured
Fig. 2 is a top view of Figure 1.
Fig. 3 is an enlarged top view showing the 55 at the point I6 either to the base I‘! or to a plat
Fig. 1 is a schematic arrangement showing a
continuous conveyer system using my particular ,
2,405,378
3
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form I2 when such a platform is used for pur
poses heretofore described.
The structure of the bucket is comprised of two
?lled with material picked up thereby.
plates 2| which have ?ared lip portions 22 and
are secured to the body portion generally desig
less conveyer means mounted on a series of pul
nated 20 which is shaped as shown in order to
permit travel over a pulley more conveniently,
and in order to permit equalized action when
engaging the wiping member M. The wiping
member I4 is made of ?exible material such as
textile or leather belting, or it may be made
of an elastic material thus insuring better seal-m
ing contact with the inverted buckets when they
are in intimate contacting relationship with it.
The rollers 23 are, preferably, secured to‘the
ends of the bucket 21 by means of reduced ends _
during that portion of the cycle when the said
bucket elements are in inverted position and
3. In a device of the character described, end
leys providing a circuitous path therefor, a mul
tiplicity of bucket elements secured to the said
endless conveyor means, ?exible wiper means se
cured below the lower portion of the said endless
conveyer means, the said bucket elements pro
vided with outwardly ?ared edges at the open end
thereof adapted to straddle the said ?exible
wiper means during that portion of the cycle
when .the said bucket elements are in inverted
position and ?lled with material picked up there
by.‘
4. Ina device of the character described, a
24 permitting free rotation when brought into
wiper element secured to a housing and mount
contact with the wiper I4. It is to be noticed
ed in parallel relationship to bucket means trav
that the rollers 23 have their body surface raised
slightly above the edges of the bucket body 25 20 eling in a de?ned orbit, the said bucket means
Comprising, body means substantially semi-cylin
so as to permit a free contact with the wiper
member 14 eliminating as much friction as pos
sible, whereas the opposite edges of the wiper
member I4 are closely con?ned within the lip
structure 22 on either end of the bucket thus
assuring a picking up of the: material .26 and
maintaining the contents within the bucket while
it is in the inverted position.
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The belting member ‘I may be, or preferably.
should be counter-bored as at IS in orderto re
ceive the rivet head [8 and thus provide a very
secure arrangement which will at the same time
permit the bucket to equalize itself in any direc
tion that may be needed when it is actually pick
ing up the material and when it is in contact
with the wiping member thus furnishing a ?ex
ible and most desirable smoothness of operation.
This disclosure is believed to indicate the na
drical in con?guration, and end means of sub
stantially semi-circular con?guration secured to
the said body means, the said end means provid
ed with flared outward edges extending above the
top edges of said body means adapted to strad
dle the said wiper element when the said bucket
means is in inverted position.
5. In a device of the character described, a
wiper element mounted in parallel relationship to
bucket means traveling in a de?ned orbit, said
bucket means provided with sealing means, com
prising, lip means on said bucket means disposed
in opposed relationship to one another and
adapted to straddle the said Wiper element, and
roller means secured to the said bucket means
and disposed at right angles to the said lip means
adapted to be held in contact, with the said wiper
element.
ture of the construction as well as the, operation 40 6. In a device of the character described, a
of my invention, and inasmuch as it is capable
flexible wiper element secured at each end to a
of being improved, I hereby reserve the right to
housing and mounted in parallel relationship to
all improvements which come within the scope
bucket means traveling in a de?ned orbit, the
and spirit of my invention, as well as those
said bucket means provided with sealing means
which come within the purview of the accom-_
comprising, lip means on said bucket means dis
panying drawing and the hereinabove descrip
posed in opposed relationship to one another and
tion.
adapted to straddle the said wiper element, and
Having thus described and revealed my inven
roller means disposed at right angles to the said
tion, what I claim as new and desire to secure
lip means adapted to be held in contactwith the
by Letters Patent is:
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said wiper element, the said wiper element adapt
1. In a device of the character described,
ed to retain sealably comminuted material in said
bucket'means comprising, body means of sub
bucket means when the said bucket means is in
stantially semi-cylindrical con?guration, and end
an inverted position.
means of substantially semi-circular con?gura
7. In a device of the character described, an
tion secured to the said body means, the said end
elastic wiper element secured at each of its ends
means provided with ?ared outward edges ex
to a housing and mounted in parallel relationship
tending above theztop edges of said body means,
to bucket means traveling in a de?ned orbit, the
and roller means secured articulately to the said
said bucket means provided with sealing means
end means, the outer periphery thereof being
comprising, lip means on said bucket means dis
parallel to and above the top of said body means.
posed in opposed relationship to one another and
2. In a device of the character described, end (it)
adapted to straddle the said wiper element, and
less conveyor means mounted on a series oflpul
roller means disposed at right angles to the said
leys providing a circuitous path ‘therefor, a‘ "mul
lip
means adapted to be held in contact with the
tiplicity of bucket elements secured to the said
said wiper element, the said wiper element adapt
endless conveyer means, wiper means Secured
ed to retain sealably comminuted material in
below the lower portion of the said endless con
said
bucket means when the said bucket means
veyer means, the said bucket elements provided
is in an inverted position.
with outwardly ?ared edges at the open end I
thereof adapted to straddle the said wiper means
"
FRANK E. THOMAS.
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