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Патент USA US2108488

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Feb. 15, 1938.
‘H. s. JOHNS
_
2,108,488
TUBULAR BELT CONVEYER
Filed Nov. 24,‘ 1956
‘Ov
u
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2 Sheets-Sheet l
Feb. 15, 1938.
I
_
2,108,488
H'. s. JOHNS
TUBULAR
BELT
CONVEYER
2 Sheets-Sheet 2
Filed Nov. 24, 1956
mUEmIUI'
1-1- 5 - JD 1111:":
5/
Patented Feb. 15, 1938
_ 2,108,488
UNITED ‘STATES PATENT orrlce
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2,108,488
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'' TUBULAR BELT CONVEYER
Henry Stinson Johns, North Grimsby Township,
Lincoln County, Ontario, Canada, assignor .to
Bancroft Holdings Limited, Hamilton, Went
.\
\‘
v
worth, Ontario, Canada. a. corporation of On
tario, Canada
Application November 24, 1936, Serial No. 112,514
5 Claims.
(Cl. 198-165)
My invention relates to improvements in tubu
. lar belt conveyers of the type shown in my United
States Patent No. 2,013,242, September 3rd, 1935,
and the object of my invention is to provide an
5 opening device therefor which will move towards
and contact the outside face of the conveying tube
to split it open for theldischarge of ‘contained
material.
‘
2 running face to face to constitute a moving tube,
or a unitary tubular belt 3 having a longitudinal
slit 4 therein.
-
As described in my United States Patent No.
$013,242, the belts i and 2 receive‘ material in
their troughs t and are directed together to form
a moving tube ‘wherein the contained material is
A further and particular object of my invention ' conveyed. The material is either discharged by
10 is to provide a conveying tube opening device separating the belts at the discharge end of the _
which will not come in contact with the material conveyer, or the material is discharged intermedi 10
ately of the length of the conveyer by means of 'a'
being discharged, and another object of my in
suitable discharge mechanism as I shall now
‘
'
device of such a character
that it can be installed and operated in any
My mechanism is designed to discharge mate
15 desired part of the conveying mechanism.
describe.
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V
‘
rial at'the will of the'operator and broadly con—
sists of a ‘freely rotatable roller 6 which‘ is posi 15
for opening a tube for the tioned above the pair of belts and designed to be
if so desired.
>
Another object of my invention is to utilize my
apparatus as a means
‘ reception of material,
My invention consists of an opening device'for /moved vdownwardly so that itspressure against
at tubular ‘belt conveyers constructed and arranged the belts splits them open atthe bottom whereby
all as hereinafter more particularly described and contained material in the belts‘ is discharged.
illustrated in the accompanying drawings “in
Which;
Figure l is aside elevational view of a hori
25
zontal length of ?exible conveying tube formed
by a pair of belts supported by a plurality of pul
leys and having my tube opening device posi
tloned thereabove, the tube being in the closed
position.
30
'
.
\
Figure 2 is a similar view to Figure 1, showing
the tube opening device in operation, the tube
being split open.
'
Figure 3 is an inverted plan view of the opened ‘
When the'roller t is vmoved ‘upwardly or away
fromv the beltsso that its pressure against the
belts is relieved, the bottoms of the belts come to
gether under the belt tensions whereby the closed
tube is again formed and the contained material
carried along to the next discharging point. The
contacting faces ‘I and 8 of the belts are formed
with interlocking tongues and grooves 9 and it.
The lower tongue 9 leaves itsgroove it in the split
apart portion of the travelling belts and re-enters
the groove as the belts come together.
'
‘
25
30
It is to be understood that the pressure ex
erted by the roller 6 against the belts only splits
tube as shown in Figure 2.
them
apart for a comparativelyeshort distance
an enlarged. cross sectional view'
through the belts, being taken through the line upon either side of the roller and to insure that 35
the belts remain together for the other portions
4—4, Figure 1.
‘
'
of their travel a pair of grooved pulleys ii are .
Figure 5 is a similar view to Figure 4,
positioned~ underneath and support the belt on
taken through the line 5-5, Figure 2 and
either side of the roller 6. The grooves it in
40 ing the discharge (if-contained material. show
Figure 6 is a similar view to Figure 4, showing the pulleys it have substantially the same shape 40
a unitary tubular conveying belt instead of the and dimensions as the lower half of the tube
35 _~ ‘”Figure 4 is
_
‘ pair of» belts shown in Figure 4.‘
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j
Figure 7 is a similar view to Figure 5-wherein
45 the unitary tubular belt is shown split for. the
discharge of contained material, and
-
"Figure8ls
'
a cross sectional view through a
pair of belts split open at the top for the recep
tion of material.
50
_
Like characters of reference indicate corre
sponding parts in the di?'erent views in the
drawings.
"
‘
‘
formed by the belts so thatv the only portion of
the tube that can split open under pressure of the
roller is that portion running between the pui
leys l i.
.
The roller 3 is supported and actuated by any 45
suitable mechanism and in the drawings I show it
freely contained in the bifurcated lower‘ end it
of a pivotally mounted arm M. The upper end
of the arm i 1i is pivotally connected to the end
of a rod l5 which is, in turn,‘ pivotally connected 50
The type of conveyer to which my device is to the upper end of a swingably mounted hand
particularly applicable consists of either a pair 01" lever i8. When the lever i6 is swung in a clock
55 - preformed rubber-like trough shaped belts i and wise direction the roller 6 is swung downwardly to
e . exert a pressure against
the belts and split them 55
2,108,488
2
open, and when the hand lever I6 is swung in
an’ anti-clockwise direction the roller 6 is moved
upwardly whereby its pressure on the belts is re
lieved and the belts vpermitted to close together
again under their qwn tension. In the drawings
.1 also show a'hopper I1 for the reception of
discharged material.
In Figures 6 and 7, I show the belt 3 of unitary
tubular form and this type of belt is mounted in
10 exactly the same manner as the tube formed by
the pair of belts I and 2 and is also capable of
being split apart as illustrated in Figure 6 by a
moveable roller 21 having the same operable func
tion as the roller 6. The faces I8 and I9 of the
15 split 4 in the belt 3 are also preferably formed
with interlocking tongues and grooves 20 and
2|.
I
'
In Figure 8, I show a roller 22 positioned under
neath my pair of belts I and 2 to exert an upward
20 pressure against the belts and split them apart
at the top for the reception of material being fed
intothe belts as from the hopper 23. In this case
I show the roller 22formed with spaced apart
rings 24 which constitute a groove for the recep
25 tion of the lower ribs 25 of the belts. The con
taining of the ribs within the groove prevents
any possibility of the belts accidentally splitting
ps0
at the bottom as well as the top. Although the
belts I and 2 or the belt 3 can be of any desired
shape, I have shown them of the same form as
shown and described in my United States Patent
No. 2,013,242. In order to obviate any possibility
of the belts riding out of the grooves I2 in vthe
pulleys II ‘when the pressure of the roller 6 is
36 applied, I have found it in certain cases desirable
to furnish upper riding pulleys 26 which bear upon
the tops of the belts in the vicinity of ‘the pulleys
I I.’ The trough belts I and 2 are furnished with
non-stretchable ?exible cores 28, and the tubular
40 belt 3 with a pair of non-stretchable ?exible cores
29, both positioned as shown in the drawings.
What I claim as my invention is:
1. In a conveying mechanism, a pliable mov
ing material carrying tube having a longitudinally
45 extending slit-like opening through the wall
thereof, a plurality of pulleys upon which the tube
is suspended and between which it extends, and
adjustable means moveable towards the side of
the tube opposite said slit to exert a pressure
against the tube between pulleys to open it along
its slitted side opposite the adjustable means for
the reception or discharge of material.
2. In a conveying mechanism, a pliable mov
ing material carrying tube having a longitudi
nally extending slit-like opening through the
wall thereof, a plurality of pulleys upon which
the tube is suspended and between which it ex 10
tends, and a tube engaging roller moveable to
wards the side of the tube opposite said slit to
exert a pressure against the tube between pulleys
to open it along its slitted side opposite the roller
16
for the reception or ‘discharge of material.
3. In a conveying mechanism, a pair of rub
ber-like belts adapted to normally travel in
face to'face contact with each other and having
material-carrying cavities in their contacting
faces, a plurality of pulleys between which the 20
belts extend, and adjustable means moveable
towards the belts between pulleys to exert a
pressure against one side of the pair of belts
to spread the other sides of the belts apart for
the reception or discharge of material.
4. In a conveying mechanism, a pair of rubber
like belts adapted to normally travel in face to
face contact with each other and having mate
rial-carrying cavities in their contacting faces,
a plurality of pulleys between which the belts
extend, and a tube engaging roller moveable to
30
wards the belts between pulleys to, exert a pres
sure against one side of the pair of belts to spread
the other sides of. the belts apart for the recep
35
tion or discharge of material.
5. In a conveying mechanism, a pliable mov¢
ing material-carrying tube having a longitudi
nally extending slit-like opening through the
wall thereof, a plurality of pulleys supporting the
tube and engaging its slitted portion, and a tube 40
engaging roller moveable towards the side of the
tube opposite to the slitted portion to exert a
pressure against the tube between pulleys to
open it along its slitted side opposite the roller
for the reception or discharge of material.
HENRY s'rmson JOHNS.
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