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Патент USA US2111771

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l March 22,1938.
'
H_GRUBE
2,111,771
SHAKING CONVEYER
INVENTOR
HEINRICH GRlBE
'ATToRNEYs‘
March 22,4 1938.
-
-l-l. GRUBE
l
2,111,771
SHAKING CONVEYER
Filed June ll, 1966
l?
_
2 Sheets-Sheet 2
`
INVENTOR
HEINRI H @Rues
\
A1 ToRNEYs‘
«
2,111,171'
Patented Mar. §22, 1938
" UNITED STATES' PATENT 'oi-‘Fics
SHAKING CONVEYER
,Heinrich Grube-Bochum, Germany, assigner te
Gebr-Eickhoil’, Maschinenfabrik und Eisen
giesserei, Bochum, Germany
Application June 11, 1936, Serial No. 84,761
'
In Germany July 5, 1935
10 Claims.
(Cl. Hi8-_220)
My invention relates to shaking conveyers and
has particularly l,reference to the connecting
members of the:conveyer trough, and in particu- lar to an vinterconnection of the type in which
the connecting- attachments abut against one
another by cylindrical contactysurfaces >under
the action of alocking or tightening member, so
that the conveyer sections-are capable of taking'
a mutual angular position in a vertical plane.
` In a known construction of this type the trough
connections are arranged beneath the trough
and are hingedly connected by a bolt arranged
,
,
In this new construction the connecting attach
ments can be situated at such a level on the
side wall of the conveyer sections, that the pas
sage of the power from one-section to the other
takes placev at or approximately at the level of
the center of gravity of the cross section of the
troughs without a power moment `being exerted
upon the sheet metal plates of the sections.~ Fur
thermore, a iin-like shape canA be given to the
attachments, so that, likewise in ,contrast to the
known constructions, a preserving gradual tran
io
sition of the conveyer forces from the attach- '
ments to the sheet metal plates of the sections is
obtained.>
a,
If the running wheels of the conveyer are 15
A transversely to the working- direction of the
trough and `consequently this bolt is subjected to
1 Gi very ¿high bending stresses. In another known
mounted on the attachments in a. manner known
, connection of shaking conveyers the connectingv
means is formed by a transverse bar ñxed to the
as such, the arrangement of the latter on the
side walls of the sections aiïords a further ad
vantage in so far asA the conveyer then hasV a.
underside of each element ythe both ends of
which bar laterally project beyond the conveyer
very small structural height, when compared with 20
the constructions in which the running wheels
20 sections, one-of these bars carrying on either end
a pivoted _Ll-shaped yoke adapted 'to be swung
over the respective end of the bar of the adja
are combined with connecting attachments ar
cent section, the two co-opcrating transverse
ranged on the underside of the conveyer sec
` bars being locked in position -by wedge mounted
tions.
>
Furthermore the fact, that the two co-operat 25
ing connecting attachments directly abut against
one another by their cylindrical contact surfaces.
on said yokeand adapted-to be fixed between the
two bars. Curved contact surfaces on the wedge
and the ends of the barsv enable a certain angu
lar mutual displacement of the conveyer ele
results in a more favorable transmission of the
power from one connecting element to the com
ments in avertical plane. In this construction
panion element, in comparison with the above 30
mentioned known construction', and further, like
wise in contrast to the said known construction,
30 no direct transmission of power takes place be
tween the two bar ends, but the forces passing
from the one bar to _the companion bar are
transmitted through the wedge, whereby in con
lnection with the possibility of the angular dis
placement of the sections an angularly‘ broken
transmission of the forces is caused from one
bar tc- the other. Furthermore, such _transverse
connecting bars can be used only for conveyer
section of one sole determined width. `Finally
40 the arrangement of the connecting-transverse
the conveyer forces can be transmitted immedi- y
ately, that means. without being spaced from
the wall of the elements, directly along this wall.
The tightening member serving to intercon
neet the co-operating attachments may be of
any suitable construction, as described herein
after in detail.
'
40
In order that my invention may be clearly
bars on ‘the underside ofV the conveyer elements
understood and readily carried into effect, some
as also the first described construction suffer ' embodiments of the same are illustrated in the
from the drawback that the power is transmitted accompanying drawings by way of example, the
fro-m one conveyer section to the other-at a
drawings representing various examples both of 45
45 corresponding high level above the center of
the construction of the connecting attachments
gravity of the cross section of the conveyer
whereby a correspondingly great power moment and oi the tightening member; In these draw- ‘
is exerted upon the sheet metal plates of the ings .
Figure i is a side elevation oi the first embodi
.
In contrast to these known constructions, in the ment, '
Figure 2 is a horizontal section thereof, and
connection of conveyer sections according to my
present invention the connecting attachments' ‘ Figure 3 is a vertical 4section thereof, while
Figuren is a iront view of a connecting at»
are provided on the side wall of the sections and
'
>protrude beyond them in transverœ direction. tachment.
Figure _5 shows another embodiment in horl
The attachments are formed with cylindrical
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contact surfaces which extend horizontally and zontal section,
Figure 8 shows a third -embodiment, in side
transversely of the working direction of the con
conveyer
sections.
.
`
`
y
veyer and are immediately pressed against one
another by a tightening member disposed in par
n allel with the working direction of the conveyer,
L
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‘
elevation,
` Figure '7 is a top view thereof, and
Figures 8 and 9 are, respectively, views of a
2
2,111,771
fourth embodimentI in side elevation andsectional top view.
l
My improved connection of conveyer sections
substantially consists of two attachments a and
b, preferably welded to the outside of the side
walls of the conveyer section r and extending
transversely of this wall, these attachments un
der the action of a tightening member abutting
against one another by means of cylindrical. sur-`
10 faces c and d which extend horizontally and
transversely of the working direction of the con
veyer.
As clearly to be seen in the drawings, the
attachments may have a fin-like shape, that
means, they may have a cross section decreasing
15 in width or height or both in width' and height
from their confronting ends', so as to have a
correspondingly tapering rear end, and, conse
quently, they transmit to the plates of the con~
veyer sections forces which decrease according
20 to these decreasing cross sections.
The trans
mission of the forces to the sections thus takes
place without sudden transition, and in a pre
serving gradual manner.
`
The attachments a and b are connected to one
25 another by a tightening- member arranged when
in operative position in parallel with the working
direction of the conveyer and hingedly mounted
on the attachments a which for this purpose are
bifurcated. In the embodiments according to
30 Figures 1 to '7 the tightening member is formed
by a screw bolt e hinged to theA attachment a, so
as to be swung in a vertical plane, and adapted to
engage an eye f of an inversecì U-shaped cross
section provided on the attachment b. In order
35 to secure the nuts y in tightening position, the
eye f is provided with a small nose h, see Figures
1, 2, 5, and 7, by which the bolt e and the nuts g
are protected from being swung downward.
As shown in Figures 1 to e, the bolt e may be
40 arranged for swing motion in a vertical plane
only or both in vertical and horizontal planes or
it may be arranged for ball. joint motion, as
shown in Figure 5. In this latter case the eye f
is inclined on its outside in such a manner, that
when the tightening bolt has been swung into the
position shown in Figure 5, the conveyer section
> which carries the attachment b can be lifted from
the other element.'
As illustrated in Figures 6 and 7, the bolt e can
50 also be articulated in itself for example at z' as
shown.
'
_
In the embodiment shown in Figures 8 and 9
the tightening member is formed by a U-shaped
yoke 7c pivotally“ mounted on the attachment a
55 for vertical and horizontal swing motion. The
yoke Ic has mounted on it a screw wedge m abut
ting against an extension b’ of the attachment b,
and whenwedge m is tightened, it presses the
cylindrical surface d of the attachment b against
60 the cylindrical counterface c of the attachment a.
In the embodiment illustrated.A in Figures 5 to 9
in which the tightening member is mounted for
swing motion’inna horizontal and vertical plane or
is _provided with a ball joint,lthe advantage is
65 obtained that each two adjacent conveyer sec-`
tions are capable of positioning themselves angu
‘ _ larly to one another in a vertical plane within cer
tain limits, so that the conveyer can be adapted
' to»a corresponding extent to the unevennesses- of
70 the'ñoor.
In all my new constructions of shaking con
_veyer connections the pivot axis n of the tighten
ing member e or 7c may simultaneously form> a
journal for the running wheels o of the conveyer,
75 as illustrated in Figures 1, 3, and 5 by Way of
example. Furthermore, 4in all these construc
tions that part of the‘attachm’ent a or b which
carries the tightening member can be disposed at
such a level on the side wall of the conveyer sec-.
tion, that, the tightening member is situated at
least approximately at the level of the center of
gravity of the whole cross section of the conveyer
trough and, ~’consequently, the forces are trans
mitted within the conveyer from one section to
the other at least approximately at the level of 10
said center of gravity and thus without exerting
ua moment of force on the conveyer trough.
Since
the tightening members e or 1c are arranged in
parallel with the longitudinal direction of the
conveyer, they are stressed by the forces to be 15
transmitted by them in a very favorable manner,
that means, they are subjected to traction only.
Finally, the co-operating contact surfaces c and d
of the connecting attachments are situated close
to the side wall of the conveyer trough, which is 20
likewise favorable for the transmission of the
forces.
v
~
v
What I claim and desire to secure by Letters
Patent is:--
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,
_1. Means for interconnecting the sections of 25
shaking conveyers comprising an attachment se
cured to each side wall of a conveyer section at
one end thereof, and another attachment secured
to each side wall at the other end of the conveyer
section co-operable with said first-named at 30
tachments of the adjacent element respectively,
said attachments extending transversely of said
walls and having curved complementary bearing
surfaces engaging each other, the axis of curva
ture of said surfaces extending horizontally and
transversely of the direction of movement of the
conveyer, and a member provided on both sides of
said sections and adapted to exert a force in the
direction of movement of the conveyer to tighten
said complementary surfaces relative to each
other and extending, when in operative position,
in parallel with the direction of movement of the
conveyer.
2. Means for interconnecting the sectionsl of
shaking conveyers comprising an attachment se 45
cured to each side wall of a conveyer section at
one end thereof, and another attachment secured
to each side wall at the other end of the conveyer
section co-operable with said first-named attach~
ments of the adjacent element respectively, said 50
attachments extending transversely of said walls
and having curved complementary bearing sur
faces engaging each other, the axis of curvature
of said surfaces extending horizontally and trans
versely of the direction of movement of the con
veyer, and a member provided on both sides of
said sections and adapted to tighten said com
plementary surfaces relative to each other and
extending, when in operative position, in parallel
with the direction of movement of the conveyer, 60
the attachments of one end of the conveyer sec
tion comprising a ' blfurcated portion having
hingedly mounted thereon said tightening mem~
ber, the attachments on the otherfend of the
section terminating in an eye adapted> to lbe en
g‘aged by the tightening member of 'the adjacent
section.
V
‘
f
'
65
\.
3. Means for interconnecting the sections-of
shaking conveyers comprising an attachment se
cured to each side wall of a. conveyer section at 70
one end thereof, and another attachment secured
to each side wall at the- other end of the con
veyer section co-operable with said first-named
attachments of the adjacent element respectively,
said attachments extending transversely of said 75
2,111,771
l 3
tighten said complementary surfaces relative to
walls and having curved complementary bearing
each other and extending, when in operative po- .
surfaces engaging each other, the axis of curva
` ture of said surfaces extending horizontally and
sition, in parallel with the direction of movement
transversely of the direction 'of movement of the
of the conveyer,'said tightening membersbeing
conveyer, anda member provided on both sides of
articulated in themselves.
`'1. Means for interconnecting the sections of `
plementary surfaces relative to each other and I shaking conveyers comprising an attachment se
extending, ‘when in operative position, in parallel cured to each side wall of a conveyer section at
said sections and adapted _to tighten said com
one end thereof, and another attachment secured
to each side wall at the other end of the conveyer
with the direction of movement of the conveyer,
10 the attachments of one end of said conveyer sec
section co-operable with said ñrst-named attach
ments of the adjacent elements respectively said
attachments extending transversely of saidwalls
and having curved complementary bearing sur
tion comprising a bifurcated portion having
y hingediy mounted thereon al screw bolt, the at-.
tachments on the other end of said section termi
nating in` a slotted eye adapted to be engaged
by said screw bolt of the adjacent section.
faces engaging each other, the axis of curvature
4. Means for'interconnecting thesections of ` of said surfaces extending horizontally and>
vtransversely of the direction of movement of the
conveyer, and a member provided on both sides-of said sections and adapted to tighten said com
\ shaking conveyers comprising an attachment se
cured to each side wall of a conveyer section at
one end thereof, and another attachment se
plementary surfaces relative to‘each othereand 20
20 cured to each side wall-at the other end '-of'the
extending, when in operative position, in par
conveyer section co-operable with the` said ñrst- '
named attachments of the adjacent element re
; allel with the direction of movement of the _con-f
spectively, said attachments extending trans
versely of said walls and having curved comple
mentary bearing surfaces engaging. each other,
the axis of curvature of said surfaces extending
horizontally and transversely of the direction of
veyer, each of said tightening members compris
ing a U-shaped yoke pivotally secured to one at
tachment of one end of said conveyer section>
and adapted to engage the complementary at
tachment of the adjacent section and a wedge ‘
on said yoke adapted to lock said yoke and said
vided on both sides of said sections and adapted - attachment in engaging position.
movement of the conveyer, and a member pro
30 to exert a force in the direction of movement. of `
the conveyer tok tighten said complementary sur
faces relative to each other and extending, when
in operative positio , in parallel with the direction
of movement of the conveyer, said tightening
members being mounted on the respective at
tachments for swinging motion in a vertical and
horizontal plane.
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,
5. Means Afor interconnecting the sections of
shaking conveyers comprising an attachment .se
cured to each side wall of a conveyer section at
one end thereof, and another attachment secured
to each side wall at the other end of the con
8, Means for interconnecting the elements of 30
shaking conveyers as specified in claim 7, in which ~
said yoke is hingedly mounted on the respective
attachment for swing motion in a horizontal and
vertical plane.
’
9. Means for interconnecting 'the sections of
shaking conveyers comprising’an attachment se
cured to each side wall of a conveyersection at
one end thereof, and another attachment secured
to each side wall at the other end of the con
veyer section co-operable with said first-named 40
attachments of the adjacent element respectively,
said attachments extending transversely of said
veyer section co-operable with said mst-named walls and having curved complementary bearing
attachments ofthe adjacent element respectively. :surfacessefeach other. thevaxis of cuna
45 said attachment extending transversely of said ture of said surfaces extending horizontally and
walls andhaving curved complementary. bearing
surfaces engaging each other, the axis of curva
transversely of the direction of movement ofthe
conveyer, and a memberv provided on both sides
ture of said surfaces extending horizontally and, of said attachment and adapted to tighten said
complementary surfaces relative to each other
and extending, when in operative position, in
said sections and adapted to exert a force in the parallel with the direction of movement of the
direction of movement of the conveyer to tighten conveyer, each of said tightening members being
said complementary, surfaces relative to each pivotaliy secured to one of said attachments, the
other and extending, when in operative position,` pivoting means simultaneously carrying the run
55 in parallel with the direction of movement of the ning wheels of the conveyer sections.
10. Means for interconnecting the sections of
conveyer, said tightening members being -hinged
ly mounted on the respective attachments by shaking conveyers comprising an attachment se
cured to each side wall of a conveyer section at
-means of a ball joint connection.~
6. Means for interconnecting the sections of one end thereof, and another `attachment secured
transversely of the direction of movement of the
conveyer, and a member provided on both sides of
60 shaking conveyers comprising an attachment se
l cured to each side wall of a conveyer section at
to 'each side wall at the other end of the con
’veyer section co-operable with said Vfirst-named
one end thereof, and another attachment secured ' attachments of the adjacent element respectively,
to each side wallv at thelotherfend of the con
veyer section co-operable with said mst-named
65 attachments of the adjacent element respectively,
said `attachments extending transversely of 4said
said attachments extending transversely of said
walls and having curved complementary bearing
surfaces engaging each other, and a member piv
otable around the axis of curvature of said sur
walls and having curved complementary bearing faces andsecured to each side of said sections,
surfaces engaging each other, the axis of curva- A said member being adapted to tighten said com
.ture of said surfaces extending horizontally and
70 transversely- of the direction of movement ofthe
conveyer, and a member provided on both sides
of said sections and adapted t0 exert a force in
the direction of movement of. the conveyer to
plementary surfaces' relative to each other and
extending, when in operative position, in parallel 70
with the direction of movement of the conveyer.
marca GRUBE. ' i
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