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Патент USA US2406279

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Aug. 20, 1946.
E. c, ANDERSON
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BELT
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2,406,279
CONVEYER
Filed May 28,‘ 1945
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2 Sheets-Sheet 2 v
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INVENTOR.
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[J22 2122?: 6.7 rza/ezxiazz
Patented Aug. 20,1946
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254065279‘
y y » This‘ invention ‘ relates i to'gcertaini new and! 11.5.3‘?
furimproyementsinrlinirbelt‘conveyers;and mere '
imprqved constrnetions
‘A
pa'rticularlyto‘ conyeyersziofvthisvitype:inwjwhich ‘ of’; so?tgmateriel, tor example:
the belt-‘is: co'mpo'sedo? asseries“ of; plate element's
truded;1i}rem1the BQQB‘SSE'S oflthe lin e; ‘
?x'edzto one‘or'morerchainlinkrelements:per‘seats) 5, fonei-theeomesél-ry‘andhamiJS 1'
form‘ron'e' pivotaliy connecteduniteof the eon-veyerp
' 'In the: typevof conveyer-to which this; invention
appertains, the plate elements of the conveyer
Another object of the invent
deYices; of;this/typeeinsunelry ‘e1
e_
er
‘ 5 her
‘ p0ir1t6d.0ll§-:The pl‘eferl‘ed 1.1163115, bywhlph 1,19
are’ overlappedso‘as to- provide a continuous belt.
Also the‘chem-rlink/elements“
v
'severeolqjectshayeheeniattainedere 11
SQFOl‘diherily 10' in the queen-‘reaming ‘d1’
eonsist'ofshacedrside-barstfotrhedintQ?Mly with
me
at
7
v'v
1 isle-inside,‘ f‘aéeevlew of o
the: bottom i surface‘ of their associated‘ plate vele-
ailing! belb'ébflileyeli embiid-??gih61
merit:andfthe-recesslformewtheneby for‘receiving
struetion,<w-ith some oi th' ‘parts broke
the-tooth‘of:eu'drivingrsprocket is ‘closed’; Qnha-H
clearness of illustration.
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sidesexcept where ‘the sprqchet-teothentersthe .15 r Fig-2 ise side faceyilew. of .oneqfr‘thep '1‘
recess;
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anqiportiensof the§lin$ ggnriegtgdt
>Considereblewqi?ieultyjhas been- expe-rienced
heretofore .by~'reasr>n;1of the rte'ct' thateua
pgsvitiqnetqthe spfopket, being shown 0
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SiderePlr-enlerged velellet with“ smile Qt t
of material ?nd lodgment in the said close
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c'esses formed by the plate and ’chain link side 20 » Fig
bars. .The vmateriethmay 'be'ithebulk materiel
being handled by the con-Veyer; or it mayvbeefrom
other sources,‘ forexample; rain or -snow;; {If there
t'on. ‘
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is,airaementaryview,"
Qfq, v 121mb» ShQ-Wmg, in?! theme
parts ithrre?s'pectiiq eacnether. ,_
’ ~_\'E1 ,
‘ $“,altllinslidn"3-v @108. Vi W of Q
is‘ an a‘ccumulationof such?i-materials retained
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‘m 7?‘ Merry-Y 5-‘:IbT5tal-1u
and graduaily built up in thejrecessesgiavthe inner 25 renews Qf ‘the laiiieeen
faces of the plate ofthe1 links, such materials
‘?g-3.5. ‘isya? yeli't‘
are ‘compressed more or less-fin the-recesses lay
Setaqlti'alllyai the line‘
the‘action-ofthe teeth of‘the'sproekets. gas-seen
gs, in w
masses of I'foreign' ‘matter buildup inwthe recesses,
they become more and: moresl-ike‘ly to; inter'fene
with the easy operation of thercomreyen v
- In the use of conveyers of this typerout Qfadoors
during .the- winter season, the ‘trouble :is vparticu
larly bard,- in that :an- ~a.-ceumul_atien of @ice or snow
may be built up~in';_the=rreeesses and; therefore;
must be cleaned ‘out manually :befere ‘thereon-y '
veyer'c'ambe used. .
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I It "is the object of the present invention to pro'e
vide > an vimproved construction and arrangement
by jrealso'niof "which the-operation ‘of the oonveyer
serves to, Iforce 'out- the ‘accumulated material :so
.as tozput :the -_conyeyer z-in condition .=f0r effective
operation,- To this end, a construction has ~Vbe'en
provided :by' *which (pressure is applied effectively
on‘ any substantial ‘masses 'of ‘foreign ~rnaterial in
the recesses "on the [inner ‘faces- of ‘the links so as
tdbreak‘up such masses. In this connection the
invention" includes ‘the provision-of a clJ-ttingele;
ment positioned to cooperate with the'teethqof ?e
sprocketrtojbreak up -the-hard:material, openings I I
being ‘provided. preferably »in~the-side fwalls-of-the ‘ ‘
recesses in rcloserproximity ‘to the points where the
‘pressure is applied to themeterialtso :asrto force
the ‘broken up materialJatereIly- out’ ofapgsitionr‘in
the recesses-
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Re fling new "t ‘the riseverel .?enres of ‘he
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espon nepei‘t's
2,406,279
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openings 33 and 34. It has been found in prac
tice that the above described arrangement of the
.to, and that the sleeves 20 serve as bearings for
engagement by the teeth of the sprockets l3 for
driving the Vconveyer, Preferably, the‘ adjacent
ribs 35 relative to the sprocket teeth provides an
edge portions of the several link plates are curved
for enabling the adjacent plates to form an effec
tive seal for preventing the material being car
masses of ice or other'solid materials which ac
ried onythe conveyerf from leakinglbetween the:
bars [871] 9.
effective means for breaking up and removing
cumulate in the recess 32 betweenthe chain side
of the ‘said plates 16 is passed‘ on as
. While -t e form‘ and-i‘ai‘fangei?entof parts as
shown and described are preferred, the inven-.
outer face with two ?anges 2| which extend ‘out;
tion is not to be limited thereto except so far as
Plates.
Each .f"
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the claims may be so limited, itbeing ‘understood.
wardlyv a' substantial distance for holding in po’sition on the plate the material being handled_~;;;; :that changes might well be made in‘ the form and
by the-.conveyer. One end portion of each of the V arrangement of the par-ts without departing from _
?anges'zl, is preferably offset; transversely {withjv"_
respect to the remaining portion‘ of the" ?ange. '
the s'pir'it'of ‘the invention.
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;Iiclaim_:
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so that the flangesv of adjacent link plates are ‘ ' '1. A11 endless conveyer comprising in combinaadapted to overlap each otherifso‘i’a's to" prevent‘: '1' tionza ‘series of links in the form of plates pivot.
the loss of material being handled.
‘
.‘ ally connected together in mutually overlapping ‘ '
' relationship so as to form an e?ective seal com
a I
'The inner face of each of the link‘plate‘s is '
plete'ly about the conveyen' sprockets about
provided at its ‘central portion with a cross ?ange"
zz'jrdrined ‘integrallyjtherewith 1 for ‘strengthen;
whichjsaid connected link plates extend-,?‘and
ing the‘link. 7 Other strengthening ribs are'prol
‘7 means ' ‘carniedf-byv the plates; ‘adapted v~biyomov‘e-iv
ment toward the sprockets upon operation 10f *'the
vid'ed; {eggtending ‘longitudinally of ' the ' linkgin
cludin'gf-rib's 23‘and .24 at eachend portion of'
Vconveyer to‘ apply pressure‘: for. ‘breaking? up
ofthecross?ange 22. Y
nerffaces of -, the‘ plates’ and to move said'mate-‘r
the link, and ribs ‘25,26 and 21' at opposite ‘faces 25 masses of foreign matter-accumulated on the ini
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rial‘ laterally under ‘pressure away? f'ron‘r said
-;Means, is provided for supporting the top and
bottom runs of l-the Iconveyer independently» of
‘thespr'ockets, Tl‘l'iismeans comprises rollers 28
rotatably mounted on the encl,_'faces-'of v theflinkv
platesjin position to ‘Y engage supportmg rails'pr
bars K39’ and {30 suitably" supported ‘by means
comprising transversely 'positionedpl-ybeams 3|
asshowninFig. 1,
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sprockets.
' 2. An endless
"
' conveyer‘comprising
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iii-combina
tion aiseries' of links in’ the ‘form of 'plates piv
- otally connectedtogether’in-mutually voverlap-'- V
' ping'relationship'so asto‘ form‘anieffectiveiseal
completely about the vconveyer; . ' sprockets ~about
which said connected‘link plates‘exte‘nd,‘ :and'cuti
N
is indicated by 'the‘dotted- line showing 'of
' , ting elements carried‘ by- said plates adapted-by
movement toward the teeth of the sprocketsto
one of, the teeth I 5 ‘of one of the sprocket wheels
apply pressure for breaking up masses-of foreign
matter accumulatedmn _ ;the{ inner i-rrféicesffo the’
(seeFigIE), thejlink side b'arsil8 and ‘l9"are
in proper position on the inner faces of the link
plates 16 for receiving the teeth ofthe sprocket
wheels'therebetween;said side bars serving to
hold the‘ 'conveyeiin normal operative, position
transversely with, respect to thesprocket wheels
13. .LOneof thesidefbars [9 of one of the‘link
plates l6 isshown inIvFig.‘, 2 with the bearing
sleeves 20 of twoiadjacent plates l6 at opposite
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plates;
3. Ane'endless
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comprisingiiinlcombi-i
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nation a series of links in the Iformof plates pivl
otally connected together? m-mutuany overlap;
pingv relationship so‘! as tolfor'm'an effective-seal
45
completely ab'outfth'e 'conveyer, sprockets about
which said connected ‘link’ plates extend, and cut+
ting elements in the? form Ber ribs? havin'giridges
extending across the plateslongitudinally‘of the
conveyer opposite to'the teeth of thesprockets
edges of the intermediate plate I 6 as shown. The
plates l8ypand l9 and the bearing sleeves '20 ,ex
tending'the'rebetween form recesses 32 on the in
ner faces of the link plates in position to receive : , adapted by movement towardli'thelteethrto break ,
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theteeth'lS of the ‘sprocket
wheels.“ "The said 6'0 up masses of foreign'matter accumulated’ on‘ the
recesses 32 on the plates IS in, the bottom vrun of
theconveyerare of course open upwardly "so as
innerfacesoftheplates.
' 4.;An‘ endless conveyer; comprising
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in‘-':1T
combi
to receive anymaterial. falling from the top‘ run
nation a series. of links‘ in the’ ‘form ‘of 1‘ plates
pivotally connected together 'in'm'utuallyov'er-T ,
of the vconveyerporto receive snow or rain or any
other foreign matter from any'source. For en 55 lapping relationship'so as to form anie‘?’ective'seal '
. completely about the"c'on‘veyer," sprockets about
ablin'g'such foreign ‘matter to escape readily‘. from
the pockets,_ the side bars I 8 and.v [9 are pro
which said connected links extend; ‘bearings-on
vided withtopeni'n’gs- 33 and34 therethrough, as
shown in connection with the side bar I79 in
the‘ inner faces of said plates for- engagement
with the teeth-of one of ‘the‘sprockets'. for-driving
60 the conveyer,~ link side bars positioned at iopp‘oé ‘
site sides of said'be'arings and'i'exten'din'g across >
Means is vprovided also for breaking up any
Figs-.2‘.
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said plate links "serving to hold'theconv'eyer 1in
operative position transversely'with respectifto
masses of foreign material accumulatediinr such
recesses. Such means comprise vcutting‘elemi'ants
said sprockets and having openingstherethrough
- 35in the form of. ribs positioned rbetween‘ithe
' side bars l8 and IS, with comparatively sharp 65 for? the‘ escape’ of foreign‘ matter accumulated: be
ridges along their inneredges, each rib being‘ in
tween said ‘link ‘side bars, and means positioned
position to stand in slightly-spaced"relationship
intermediate the side bars and cooperating'iwith
_ to the ‘end of one of the sprocket teeth l5 asthe
a sprocket‘ tooth Ito press the. mat‘erialrfilaterally
linked unit of the conveyervmoves about? the
through the openings ‘in the side bars.‘ 1' -;
sprocket. The arrangement is such that any ex
tensive accumulation of foreign matter in any
of the recesses ispressed forcibly between. the
rib 35 and thejend of a tooth l 5 so as to break np
otally connected together'in mutually-'1' overlap
such mass of foreign‘material and pressit along
the side‘faces of the rib, and out through‘ the
'-:
51; 'An' endless conveyer comprising v1 in ‘c’ombie
nation a seriesof- links in-ithelformpf plates pivi
ping relationship ' so - as > to’ form an; e?éctive ‘seal
is
completely ‘ about iithe? conv'éyer, sprockets‘ about
which said connectedlinks extend, bearings‘on
2,406,279
5
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the inner faces of said plates for engagement
withthe teeth of one of the sprockets for driv
ing the conveyer, link side bars positioned at
opposite sides of said bearings and extending
across said plate links serving to hold the con
veyer in operative position transversely with re
spect to said sprockets and having openings
therethrough for the- escape of foreign matter
accumulated between said link side bars, and
rib located intermediate the side bars and extend
ing lengthwise thereof and cooperating with a
sprocket tooth upon the operation of the con
veyer to apply pressure for breaking up masses
of foreign >matter accumulated between said
plates and to displace said material laterally
through said openings.
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which said connected links extend, bearings on
the inner faces of said plates for engagement
with the teeth of one of the sprockets for driv
ing the conveyer, link side bars positioned at
opposite sides of said bearings and extending
across said plate links serving to hold the con
veyer in operative position transversely with re
spect to said sprockets and having openings
therethrough for the escape of foreign matter
10 accumulated between said link side bars, and
,,
6. An endless conveyer comprising in combi
cutting means in the form of ribs having ridges
extending across the link plates longitudinally
of the conveyer opposite to the teeth of the
sprockets adapted by movement toward the teeth
of the sprockets to break up masses of foreign
matter accumulated in the recesses between said
link side bars.
,
otally connected together in mutually overlapping
8. An endless conveyer comprising in combi
nation a series of links in the form of plates piv
relationship so as to form an effective seal com- -
otally connected together in mutually overlap
nation a series of links in the form of plates piv
ping relationship, chain link elements each com
pletely about the conveyer, sprockets about
prising two side bars in spaced relationship‘ to
which said connected links extend, bearings on
the inner faces of said plates for engagement
each other at each end portion of each of the link
plates connected by a bearing sleeve adapted to
with the teeth of one of the sprockets for driving
the conveyer, link side bars positioned at oppo 25 ?t between cooperating bearing portions of the
corresponding cross plates of the adjacent link
site sides of said bearings and extending across
plate, sprockets about which said connected link
said plate links serving to hold the conveyer in
operative position transversely with respect to
plates extend with the teeth of the sprockets ex
said sprockets and having openings therethrough
tending between the chain link side bars of the
for the escape of foreign matter accumulated be 30 several link plates successively and engaging said
bearing sleeves in turn for driving the conveyer,
tween said link side bars, and cutting elements
said chain link side bars having openings there
on the inner faces of the plate links in the spaces
through for the ready escape of foreign matter
between said link side bars adapted by move
ment toward the teeth of the sprockets to break
accumulated between said link side bars, and cut
up masses of foreign matter accumulated between
ting means on the link plates between the link
side bars in position to cooperate with the teeth
said link side bars.
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of the sprockets for breaking up masses of for
'7. An endless conveyer comprising in combina
tion a series of links in the form of plates piv
eign matter accumulated between the link side
otally connected together in mutually overlap
bars and for forcing it out through said openings.
ping relationship so as to form an effective seal 40
completely about the conveyer, sprockets about
EDMUND c. ANDERSON.
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