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Патент USA US3057463

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Oct- 9, 1962
H. FRASCH ETAL
3,057,454
DEVICE FOR DIRECTING MATERIAL FROM ONE CONVEYER BELT TO ANOTHER
Filed March 12, 1959
6 Sheets-Sheet l
Hon-41d
Oct. 9, 1962
H. FRASCH ETAL '
3,057,454
DEVICE FOR DIRECTING MATERIAL FROM ONE CONVEYER BELT To ANOTHER
Filed March 12, 1959
2
/
6 Sheets-Sheet 2
Oct. 9, 1962
H. FRAscl-l EI'AL
3,057,454
DEVICE FOR DIRECTING MATERIAL FROM ONE CONVEYER BELT TO ANOTHER
Filed March 12, 1959
6 Sheets-Sheet 3
Oct. 9, 1962
3,057,454
H. FRASCH ETAL
DEVICE FOR ‘DIRECTING MATERIAL FROM ONE CONVEYER BELT TO ANOTHER
Filed March 12, 1959
6 Sheets-Sheet 4
Hg. 26
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Inventors‘
HM ‘J.
WKM
Oct. 9, 1962
H. FRASCH ETAL
3,057,454
DEVICE FOR DIRECTING MATERIAL FROM ONE CONVEYER BELT TO ANOTHER
Filed March 12, 1959
6 Sheets-Sheet 5
Han-M
Oct. 9, 1962
-
H. FRASCH ETAL
3,057,454
DEVICE FOR nmzc'rme MATERIAL FROM om: CONVEYER BELT TO ANOTHER
Filed March 12, 1959
6 Sheets-Sheet 6
HM a'vwi
W MM
(H 'WMINJL $907i!‘
am
United States Patent
1
3,057,454
Patented Oct. 9, 1962
2
The novel features which are considered as character
istic for the invention are set forth in particular in the
3,057 454
DEVICE FOR DIRECTING, MATERIAL FROM ONE
‘appended claims. The invention itself, however, both
CUNV’EYOR BELT TO ANOTHER
Harald Frasch and Erich Kuwertz, Bremen, Germany, as
signors to Klockner-Hutte Bremen AG., Bremen, Ger
I56
as to its construction and its method of operation, to
5
many
Filed Mar. 12, 1959, Ser. No. 798,977
Claims priority, application Germany Mar. 13, 1958
10 Qlairns. (Cl. 198-45)
gether with additional objects and advantages thereof,
will be best understood from the following description
of speci?c embodiments when read in connection with
the accompanying drawings, in which:
FIG. 1 is a side elevational view of one embodiment
.
10 of a structure according to the present invention;
The present invention relates to material handling
apparatus.
FIG. 1a is a plan view of the embodiment shown in
FIG. 1;
More particularly, the present invention relates to
FIG. lb shows a variation of the structure of FIG. 1;
FIG. 2 is an elevation view of another embodiment of
conveyer belt systems which convey particulate material
such as lumps or ore or even granular material of rela— 15 the present invention;
tively small size. With conveyer belt systems of thls
FIG. 2a is a plan view of the embodiment shown in
type, when the material ?ows from one belt to another,
FIG. 2;
various difficulties occur with respect to the e?icient trans
FIG. 2b shows a variation of the structure of FIG. 2;
for of the material, particularly when a change-over 1s
‘FIG. 3 is an elevation view of a further embodiment
made from one type of material to another and par 20 of the present invention; and
ticularly in those cases where the material may include
FIG. 3a is a plan view of the embodiment shown in
components such as clay or other sticky components so
‘FIG. 3;
‘
as to cause the different lumps or particles of material
FIG. 4 is an elevation and plan view of yet another
to undesirably cling to each other. Furthermore, when
embodiment, FIG. 4 illustrating the manner in which the
the material is deposited on a belt, which already carries 25 structure of the invention can be adjusted to produce
other material, stoppage often occurs because of the rela
different results; and
tive thickness of the layers of material. Also, while it is
FIG. 4a is a plan view of the embodiment shown in
FIG. 4.
always desirable to direct the material onto a central
portion of a moving belt, this is not always possible and
Referring now to FIG. 1, the material 1 which is trans-i
it sometimes happens that the material falls adjacent to
ported is conveyed ‘by the upper belt 2 to the discharge
an edge of the belt and eventually spills over the side of
end of the latter which is shown in FIG. 1. ‘From the
the belt.
discharge end of the upper belt 2 the material 1 falls
One of the objects of the present invention is to pro
downwardly toward a pocket means 4 constructed accord
vide in a conveyer system of the above type a device
ing to the present invention. This pocket means includes
which will efficiently provide for the transfer of the 35 a substantially vertical rear wall which in the example
material from one conveyer belt to another irrespective
illustrated in FIG. 1 is stationary and is ?xedly carried
of the angle between the belts or the direction of move
by the frame Work which supports the conveyer belts.
ment thereof.
The pocket means 4 also includes a bottom wall ‘5
It is also an object of the present invention to pro
1which in accordance with the present invention is shift
40
vide a device of the above type which is capable of being
able in the example of FIG. 1, although, if desired, the
adjusted so as to take into account the properties of the
entire pocket means 4 could be shiftable in its entirety.
material which is being transported.
A further object of the present invention is to pro
vide a structure which is capable of being adjusted to
direct the material at ‘all times onto the center of a re
ceiving conveyer belt.
An additional object of the present invention is to
The material which falls from the discharge end of the
conveyer belt 2 collects in the pocket means 4 and the
material itself forms an inclined surface along which
the material flows down to the lower belt 7 shown in
FIG. 1, the discharge end of the upper belt 2 being located
over the lower belt 7 with the pocket means 4 located
provide a device of the above type which is capable
between the upper and lower belts in the path of ma
of being used with a reversible belt and being adjusted
tenal ?ow from the upper to the lower belt, as shown
‘so as to cooperate properly with a reversible belt irrespec 50 in FIG. 1. Of course, the inclination of the surface of
tive of the direction in which the latter moves.
the material which collects in the pocket means 4
Also, it is an object of the present invention to provide
‘depends upon the properties of the material itself,
a device of the above type which can be so adjusted that
it is impossible for stoppage to occur.
With the above objects in view, the present invention 55
includes in a conveyer apparatus of the above type upper
and lower belts with the discharge end of the upper belt
located over the lower belt. A pocket means is lo
and’ this inclination is not always the best possible
inclination. ‘By providing a bottom wall 5 which .is ad
justable, in accordance with the present invention, the
inclination of the material in the pocket means 4 can
be regulated. For this purpose the bottom wall 5 ?xedly
carries a rack which meshes with a pinion, this rack and
cated between the upper and lower belts in the path
of material ?ow from the discharge end of the upper
belt to receive material from the discharge end of the
pinion forming an adjusting means operable in any suit~
‘able way for shifting the bottom wall 5 so as to adjust
the pocket means 4 in this manner. For example, an
upper belt, this pocket means having a rear wall and a
electric motor maybe connected to a suitable trans
bottom wall between which the material collects so that the
mission with the pinion 6 so as to rotate the latter in
material itself forms an inclined surface along which the
one direction or the other depending upon the operation
material ?ows down to the lower belt. A chute means 65 of a suitable switch located distant from the structure
cooperates with the lower belt and houses the pocket
shown in FIG. 1. In this way it is possible vfor .the
means to cooperate also with the latter for directing
operator to control the ?ow of material from the upper
material which ?ows ‘laterally beyond the pocket means
belt to the lower belt, and the nature of the flow is not
reliably onto the lower belt. In accordance with the
controlled entirely by the properties of the material itself.
present invention the pocket means is adjustable so as 70 It thus becomes possible to handle “sticky materials and
to take care of all of the different conditions which oc~
to switch from one type of material to another without
cur during operation with different types of material.
any dii?culties. As'may be seen from FIG. 1, the pocket
3,057,454
I,
a
means 4 is housed within a chute means 3 which has a
pair of opposed stationary side walls between which the
pocket means 4 is located, and these side walls which
form the chute means 3 are also ?xedly carried by the
frame work which supports the conveyer belts 2 and 7. As
may be seen from the plan view of FIG. 1, the chute
means is located laterally beyond the pocket means and
narrows toward the lower belt 7 so that any material
4
case the pocket means 4 is arranged so that the material
collected therein forms a surface inclined at the angle a
so that the material will fall to the center of the lower
belt 7. It will be noted that with the embodiment of
FIG. 4 the pocket means is arranged so that its rear
Wall faces the discharge end of the upper belt 2, but
otherwise the embodiment of FIG. 4 is identical with that
of FIGS. 2 and 2a.
When the properties of the transported material change,
which happens to fall laterallly beyond the pocket means
then
the inclined surface of the material which collects
will be reliably directed by the chute means 3 onto the 10
in the pocket means 4 will also change, and as ‘a result
lower belt 7.
instead of the material being directed toward the center
The structure which is illustrated in FIG. 1a is the
of the lower belt 7, it will be directed undesirably toward
same as that of FIG. 1 except that the bottom wall 5
one side of the belt to provide uneven wear of the belt
is inclined downwardly toward the lower conveyer belt
7 in the manner illustrated in FIG. 1a. In certain cases 15 and to also spill over the side of the belt. In order
to avoid such an undesirable result, the adjusting means
the lower conveyer belt 7 already carries material 1' onto
6 can be actuated so as to shift the bottom wall 5 from
which the material 1 from the upper conveyer belt 2
the solid to the dotted line position shown in ‘FIG. 4,
is deposited. In such a case with the embodiment of
for example, so that in this case even though the ma~
FIG. 1 is could happen, particularly where there are very
large chunks of material 1' that the material will become 20 terial changes and provides a different inclined surface,
nevertheless the angle t? can be provided to guarantee
blocked between the lower belt and the right end of the
that the material will be directed to the center of the
bottom wall 5 of the pocket means 4. In order to avoid
belt, as indicated in FIG. 4.
such an undesirable result, the structure of FIG. la is
It will be understood that each of the elements de
capable of being actuated through the adjusting means 6
which has the same construction as the adjusting means 25 scribed above, or two or more together, may also ?nd
a useful application in other types of conveyers differing
6 of FIG. 1 so as to shift the bottom wall 5 to the left,
from the types described above.
as viewed in FIG. 1a, and thus avoid any stoppage.
While the invention has been illustrated and described
It should be noted that the pocket means 4 of FIGS.
as
embodied in belt conveyers, it is not intended to be
1 and la includes a pair of triangular side walls extend
ing forwardly from and ?xed to the rear wall of the 30 limited to the details shown, since various modi?cations
pocket means 4 as by being formed integrally with this
rear wall.
and structural changes may be made without departing
in any way from the spirit of the present invention.
Without further analysis, the foregoing will so fully re
veal the gist of the present invention that others can by
FIG. 2 illustrates an arrangement where the lower belt
7 extends perpendicularly with respect to the upper belt
2. It will be noted that the structure of the invention 35 applying current knowledge readily adapt it for various
applications without omitting features that, from the
used with this arrangement of conveyer belts is identical
with that of FIG. 1 except that the chute means 3 is con
structed at its top end so as to cooperate with the dis
standpoint of prior art, fairly constitute essential char
acteristics of the generic or speci?c aspects of this inven
tion
and, therefore, such adaptations should and are in
charge end of the belt 2 which extends perpendicularly
with respect to the lower belt 7. It will be noted that 40 tended to be comprehended within the meaning and range
of equivalence of the following claims.
the pocket means 4 as well as the bottom wall 5 and
What is claimed as new and desired to be secured by
the adjusting means 6 cooperate in the same way with
Letters Patent is:
respect to the bottom belt 7.
1. In a material transporting apparatus, in combina
FIG. 2a shows a pair of conveyer belts arranged at
tion, upper and lower conveyer belts, said upper belt hav
right angles with respect to each other where the lower
ing a discharge end located over said lower belt; pocket
belt carries material 1' onto which material of the upper
means located in the path of material flow from said dis
belt is deposited, and in this case the bottom wall ‘5 of the
charge end of said upper belt for receiving material there
pocket means is inclined in the same way as in the em
from, said pocket means being arranged between the dis
bodiment of FIG. 1a described above so as to avoid
charge end of said upper belt and said lower belt and said
stoppage in this case also.
pocket means having a rear wall and a bottom wall be
The embodiment of FIG. 3 illustrates an arrangement
tween which the material collects so that the material
Where the lower belt not only extends perpendicularly
itself forms an inclined surface directed downwardly to
with respect to the upper belt but also is reversible so
ward the lower belt and along which the material ?ows
that the material dropping from the upper belt 2 may be
from the discharge end of the upper belt to the lower
conveyed in either direction as indicated by the double
belt; chute means in which said pocket means is located,
arrow. With this arrangement the pocket means includes
said chute means cooperating with said pocket means and
a rear wall 9 and the bottom wall 5' extends in both
said lower belt for directing material which flows laterally
directions from the rear wall so as to provide a pair of
beyond said pocket means onto said lower belt, said chute
pocket portions 4 and 4’, as indicated in FIG. 3. The
rear wall 9 and the bottom wall 5’ are in this case ?xed 60 means having an open bottom end and said bottom wall
having a free end located within said open bottom end;
directly to the chute means 3 which is itself supported for
and adjusting means cooperating with said pocket means
shifting movement to the right or left, as viewed in FIG.
for adjusting the latter with respect to said belts so as to
3, and the rack and pinion means 6 is connected with
properly transfer particulated material of different size
the chute means 3 to adjust the latter together with the
pocket means so that in this case the entire assembly is 65 and different coe?icient of friction from the upper to the
lower belt.
shiftable along the lower belt 7 of FIG. 3. The rack
2. In a material transporting apparatus, in combina
is ?xed to the chute means 3 and the pinion 6 cooperates
tion, upper and lower conveyer belts, said upper belt hav
with this rack. In the position of the part shown in
ing a discharge end located over said lower belt; pocket
FIG. 3 the belt 7 has its upper run moving to the right,
means located in the path of material ?ow from said dis
while where the direction of the belt 7 is reversed the
charge end of said upper belt for receiving material there
entire assembly of chute means and pocket means plus
from said pocket means being arranged between the dis
adjusting means would be actuated so as to be shifted to
charge end of said upper belt and said lower belt and
the right, as viewed in FIG. 3, in order to direct the
said
pocket means having a rear wall and a bottom wall
material to the left.
Referring now to FIG. 4, it will ‘be seen that in this 75 between which the material collects so that the material
3,057,454
itself forms an inclined surface directed downwardly to
ward the lower belt and along which the material ?ows
from the discharge end of the upper belt to the lower
belt; chute means in which said pocket means is located,
said chute means cooperating with said pocket means
and said lower belt for directing material which flows lat
terally beyond said pocket means onto said lower belt,
6
shifted in one direction or the other to provide coopera
tion between one pocket portion or the other with said
lower belt depending upon the direction of movement of
the latter.
5. In a material transporting apparatus, in combina
tion, upper and lower belts, said upper belt having a dis~
charge end located over said lower belt; pocket means
said chute means having an open bottom end and said
located in the path of material flow from said discharge
bottom wall having a free end located within said open
end of said upper belt to receive material therefrom
bottom end; and adjusting means cooperating with said 10 and to direct the material onto said lower belt, said
pocket means for adjusting the latter with respect to said
pocket means having a rear wall one face of which is
belts, said pocket means and chute means being ?xed to
directed in the direction of material ?ow toward said
each other and said adjusting means moving said pocket
lower belt, and said pocket means having a bottom wall
means ‘and chute means together as a unit so as to prop
extending beyond said face of said rear wall in the direc
erly transfer particulated material of different size and 15 tion‘ of material ?ow toward said lower belt and having
different coe?icient of friction from the upper to the
a free end distant from said one face of said rear wall
lower belt.’
on the side thereof facing in the direction of material
,
' 3. In a material transporting apparatus, in combina
?ow'toward said lower belt; adjusting means cooperating
tion, upper and lower conveyer belts, said upper belt hav
with said bottom wall of said pocket means for shifting
ing a discharge end located over said lower belt; pocket 20 the latter with respect to said rear wall to adjust the dis
means located in the path of material ?ow from said dis
tance of said free end of said bottom wall from said
face of said rear wall, whereby the inclination of a
from, said pocket means being arranged between the dis
surface of material which collects in said pocket means
charge end of said upper belt and said lower belt and said
and along which the material flows down to said lower
pocket means having’ a‘rear wall and a bottom wall be 25 belt can be regulated; and chute means cooperating with
tween which the material collects so that the material it
said lower belt and in which said pocket means is located
self forms an inclined surface directed downwardly to
for directing the material which ?ows laterally from
ward the lower belt'and along which the material ?ows
said pocket means onto said lower belt, said chute means
from the discharge end of the upper belt to the lower
having an open bottom end and said free end of said
belt; chute means in which said pocket means is located,
bottom‘ wall being located within said open end of said
said chute means cooperating with said pocket means and
chute means.
said lower belt for directing material which ?ows lat
6. In .a material transporting apparatus, in combina
charge end of said upper belt for receiving material there
erally beyond said pocket means onto said lower belt,
tion, upper and lower belts, said upper belt having a dis
said chute means having an open bottom end and said
charge end located over said lower belt; pocket means
bottom wall having a free end located within said open 35 located in the path of material flow from said discharge
bottom end; and adjusting means cooperating with said
pocket means for adjusting the latter with respect to said
belts, said bottom wall of said pocket means being mov
able with respect to said rear wall thereof and said ad~
justing means cooperating with said bottom wall for mov
ing the latter with respect to said rear wall so as to prop
erly transfer particulated material of di?t‘erent size and
different coe?icient of friction from the upper to the lower
belt.
4. In a material transporting apparatus, in combina
tion, upper and lower conveyer belts, said upper belt hav
ing a discharge end located over said lower belt; pocket
means located in the path of material flow from said dis
charge end of said upper belt for receiving material there
from said pocket means being arranged between the dis
charge end of said upper belt and said lower belt and
said pocket means having a rear wall and a bottom wall
between which the material collects so that the material
itself forms an inclined surface directed downwardly to
end of said upper belt to receive material therefrom and
to direct the material onto said lower belt, said pocket
means having a rear wall one face of which is directed
in the direction of material flow toward said lower belt,
and said pocket means having a bottom wall extending
beyond said face of said rear wall in the direction of ma
terial ?ow toward said lower belt and having a free end
distant from said one face of said rear wall on the side
thereof facing in the direction of material flow toward
said lower belt; adjusting means cooperating with said
bottom wall of said pocket means for shifting the latter
with respect to said rear wall to adjust the distance of
said free end of said bottom wall from said face of said
rear wall, whereby the inclination of a surface of ma
terial which collects in said pocket means and along which
the material flows down to said lower belt can be regu
lated; and chute means cooperating with said lower belt
and in which said pocket means is located for directing
the material which flows laterally from said pocket means
ward the lower belt and along which the material flows 55 onto said lower belt, said chute means having an open
from the discharge end of the upper belt to the lower
bottom end and said free end of said bottom wall being
belt; chute means in which said pocket means is located,
located within said open end of said cute means, said
said chute means cooperating with said pocket means and
bottom wall being located in a plane inclined to vertical
said lower belt for directing material which flows lat
and horizontal planes and said adjusting means when
erally beyond said pocket means onto said lower belt; 60 shifting said bottom wall changing the distance between
and adjusting means cooperating with said pocket means
for adjusting the latter with respect to said belts, said
pocket means and chute means being fixed to each other
and said adjusting means moving said pocket means and
chute means together as a unit, said pocket means having
its rear wall ?xed to said chute means and located be
the free end of said bottom wall and said lower belt so
that there will be no obstruction of material between the
free end of said bottom wall and said lower belt.
. 7. In a material transporting apparatus, in combina~
65 tion, upper and lower conveyor belts, said upper belt hav
mg a discharge end located over said lower belt; pocket
means located in the path of material ?ow from said dis
in both directions beyond the bottom end of said rear
charge end of said upper belt for receiving material
wall and also being ?xed to said chute means so that said
therefrom, said pocket means being arranged between
pocket means includes a pair of pocket portions respec
the discharge end of said upper belt and said lower belt
tively located on opposite sides of said rear wall and said 70 and said pocket means having a rear wall and a bottom
rear wall being common to both of said pocket portions,
wall between which the material collects so that the ma
and said adjusting means cooperating with said chute
terial itself forms an inclined surface directed downward
means for moving the latter together with said pocket
ly toward the lower belt and along which the material
means so that said chute means and pocket means may be 75 ?ows from the discharge end of the upper belt to the
tween the ends of said bottom wall, the latter extending
3,057,454
lower belt; chute means in which said pocket means is
located, said chute means cooperating with said pocket
means and said lower belt for directing material which
?ows laterally beyond said pocket means onto said lower
belt, said chute means having an open bottom end and RH
said bottom wall having a free end located Within said
open bottom end; adjusting means cooperating with said
pocket means for adjusting the latter with respect to said
belts so as to properly transfer particulated material of
8
ent angle of repose are transported by the transporting
apparatus, the position of said bottom wall may be ad
justed in such a manner that the material sliding down
said inclined surface at the respective angle of repose will
be directed substantially to the center of said lower belt.
9. In a material transporting apparatus, in combina~
tion, upper and lower conveyor belts, said upper belt
having a discharge end located over said lower belt;
pocket means located in the path of material ?ow from
different size and different coe?icient of friction from 10 said discharge end of said upper belt for receiving ma
terial therefrom, said pocket means being arranged be
the upper to the lower belt and means located .at a dis
tween the discharge end of said upper belt and said lower
tance from said pocket means and cooperating with said
belt and said pocket means having a rear wall and a
adjusting means for actuating the latter to adjust said
pocket means.
8. In a material transporting apparatus, in combina
tion, upper and lower conveyor belts, said upper belt hav
ing a discharge end located over said lower belt and said
lower belt extending in a direction transverse to the direc
bottom wall between which the material collects so that
the material itself forms an inclined surface directed
downwardly toward the lower belt and along which the
material ?ows from the discharge end of the upper belt
to the lower belt; chute means having a pair of side walls
between which said pocket means is located and having
tion of said upper belt; pocket means located in the path
of material flow from said discharge end of said upper 20 an open bottom end and said bottom wall having a free
edge located within said open bottom end of said chute
belt for receiving material therefrom, said pocket means
means, said chute means cooperating with said pocket
being arranged between the discharge end of said upper
means and said lower belt for directing material which
belt and said lower belt and said pocket means having
flows laterally beyond said pocket means onto said lower
a rear wall and a bottom wall between which the ma
belt; roller means supporting at least said bottom wall of
terial collects so that the material itself forms an in
said pocket means for movement in direction of said side
clined surface directed toward said lower belt and along
walls of said chute means; and adjusting means cooperat
which the material ?ows from the discharge end of said
ing with said pocket means for adjusting the latter with
upper belt to said lower belt, said rear wall facing said
respect to said belts.
discharge end and said bottom wall having a front edge
10. An arrangement as de?ned in claim 9 in which
30
substantially parallel to the direction of said lower belt
said adjustment means include a rack connected to said
and being movable with respect to said rear wall from a
pocket means and a pinion cooperating with the rack.
position in which said front edge is located nearer to a
position in Which said front edge is located farther from
References Cited in the ?le of this patent
said rear wall; chute means in which said pocket means
is located, said chute means cooperating with said pocket
means and said lower belt for directing material which
?ows laterally beyond said pocket means onto said lower
belt, said chute means having an open bottom end and
said front edge of said bottom wall being located within
said open bottom end of said chute means; and adjusting 40
means cooperating with said bottom wall of said pocket
means for adjusting the same between said positions
thereof, whereby when different materials having a differ
UNITED STATES PATENTS
804,022
May ________________ .._ Nov. 7, 1905
1,288,832
2,699,248
2,785,683
Carr ________________ __ Dec. 24, 1918
Shabaker ____________ __ Ian. 11, 1955
Davidson ____________ __ Mar. 19, 1957
569,475
Germany ____________ __ Feb, 20, 1933
568,338
Italy ________________ __ Oct. 28, 1957
FOREIGN PATENTS
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