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Патент USA US2404554

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. July 23, 1946.
2, 4,554
Filed Sept.‘ 5, 1942
-2 fShéets-rSheet 1
, ,.
J. ‘a
YuL‘ mm
July 23,1946;
Fil‘ed Sept. 5’, 1942
2_ Sheéts-Sheet 2'
Patented July 23, 1946 V
Axel Wasberg, Chicago, Ill.', assignor to Chicago ' I
Railway Equipment Company, Chicago, 111., a
corporation of Illinois
Application September 5, 1942, Serial No. v457,405
9 Claims.
(Cl. 20%26')
The invention relates to the formation of a
‘ weather excluding seal at the forward edge of a
sliding door, when the door is closed, such as is
adapted to be used effectively on railway box or
house type freight cars where the exposure to
winds and currents of air set up by the movement
- I”.
here shown as a Z bar with its web 8 disposed
one ?anges extending longitudinally ‘of the'doo‘r
and rearw‘ardly from the edge of. the door vand
‘with its other'?ange l0 extending in the ‘opposite
direction and forming the door front edge. _ >‘_
applicant ‘December 24, 1940, the front edge of
' .The body includesla door front post ‘structure
the door and the adjacent postcooperate to form
a pair of successive weather pockets opening to
wards the exterior of the door andserving to
ba'?le inwardly moving currents of air and trap
transversely of the plane of the door and with
of the car tend to drive rain, snow, dust, cinders
and other foreign matter to the interior of the
car with likely damage to the lading.
In Patent No. 2,226,419; issued to the present
dirt, water, etc., carried thereby.
the usual side sill l, side plate 2, sheathing 3 and
tracks 4 and 5 upon which will be slidably mount
ed the door comprising panels 5 and framing in
cluding an upright angular forward member I‘!
comprising a Z bar withit's, web l-l ‘disposedlon
gitu‘din'ally‘of vthe car and ‘with one‘ ?ange l'2
extending inwardly of the‘ car body and‘the'other.
?ange 13 ‘extending outwardly of ‘the car'body
and forming one'sidejof the ‘door opening and
The general object of the present invention
terminating adjacent to the inner faceof the door
is to provide a more effective weather seal at the
Z bar ?ange l0. An angular member M on the
body post has an inner flange [5 rivetedthrough
front edge than that disclosed in' the above-mam
tioned patent. One way of obtaining this object
is by utilizing a ?exible weather-strip element in
association with rigid elements on the door and
post to cooperate therewithrin forming the weath
the sheathing and post web Ill and has 'a‘fweb
l6‘ extending transversely of the car and forming
a stop'against which the door front edge ‘abuts .
er excluding pocket. Another way of‘ obtaining‘
when the door is closed. ‘Post-member ‘Ml-‘also
ha‘sWanF’outer'?ange 11. extending longitudinally
this general object is to have spaced metal ele-‘ 25 of the car outwardly of the ?ange lo on'door
ments ‘of the post and door structure provide. a
member‘! and towards web 8 of the door member.
third pocket facing outwardly of the car cooper
Member-s8, Ill and-"form an' outer‘po'cket-A
opening outwardly‘ of vthe car and'with its inner
ating with successive pockets. as previously dis
end closed. Elements I 0, l3 and II‘ form an vin
closed. This general object may be obtained by
combining the ?exible weather-strip element and 30 ner pocket B facing away from the door ‘open
the third pocket forming. structure.
ing and closed at its inner end. 'P'r'eferablyja
Other detail objects will be apparent from the ' weather-strip element [8 of ?exible materialfis
secured to the body member extending ‘trans
following description, reference, being had to the
accompanying drawings illustrating selective'em
versely 'of-the car between and spaced ‘from ele
bodiments 0f the invention in which—
35 ments is and I6 and positioned so as to be en‘
gaged and distorted by element In ‘when the door
Figure 1 is a side elevation of, ‘a railway box
car provided with a side door mounted to slide
is closed to form with element 1 0 and element, I 6
longitudinally of the car wall to open and close
an intermediate pocket 0 facing ‘away from the
‘door opening and of substantial area and closed
at its inner end.
Figure 2 is a detail horizontal section. taken on
the‘ line 2—2 of Figure 1 and'drawn to an' enlarged
With this arrangement of parts the movement 7
of the door. across the door opening D into closed
position‘ in which it engages .the front stop, I 4
Figures 3-5 are similar sections each illustrat
the doorway,
ing a different form of the invention. '
automatically forms a plurality ‘ of successive
Figure 6 corresponds to Figure 1 but'illustrate's , -
abox car having a main door and an auxiliary
door arranged to slide to and from each other to
pocketswhich will baiile the,‘ admission ofair
currents and foreignymatter carried thereby into
the interior of the car. _"I'he,contact at X will
result in the‘ .outer pocket being.’ closed ‘at/‘its
Figure 7 is a horizontal section vthrough the
joint formed by the two doors when in closed
position and is taken on thelin‘e 1-71 of Figure
50. The inclination of post element I‘! tendsto
open and close the doorway.
_ ;
6 and
is drawn
8 andto9an
. a ,7 butyil
lustrate other forms of the invention...
., _
force the door inwardly towards'element 13 so
as to‘narrow or close the gap betweén'them at
Y resulting inthe inner pocket being, substanj
tially closed at its inner end.‘v In the eventjlthe
r The car body indicated in‘Fig'uref 1 ‘m'ayinclude 65 rigidelements'are' deformed or inaccurate'the
t :.
resilient element I8 is certain to be engaged by
the door front edge 'so as to produce contact at
Z, thus assuring a plurality of successive pock
ets each opening outwardly of the car and being
closed "at its inner end. The rigid elements of
soective of actual contact betweenelements 45
ject and in which the ?exible'element I8 is so
in Figure3 but it is secured between door stop
and 41 as indicated at Z’.
In the arrangement shown in Figure 5 the
post main member 5| and the door stop member
52 are substantially the same as illustrated in
the post structure form a :tdeep ,uchannel-like _Figures 3 andrjl, and ,the ,postdnner pocket
housing-intowhlich'ithedoor front edge mayipro- T iformin'g V-member 53 corresponds 2{to that shown
and the 'body sheathing 55 instead of being
spacedfrom the rigid elements and the outer
end of the pocket formed by'them that it is not‘ ‘10 ‘attached directly to- post 5!. The door panel 55
exposed to freight or other exterior objectsamov- ' 7 ‘lands-the’ door front edge member 56 'are sub
ing past or through the doorway and it is there‘
fore unlikely to be distorted,c~when the "door is /
identical with
Jpartsshownin Figure 4.
LThe-,trtip1e.--pocket arrangement is attained by
15; the?lsefof ya-small angle or clip 51 secured to
pose when the door is closed;
the 'forward ?ange 58 of the door'front edge
Figure ‘3 illustrates another arrangement of
7member. ‘The portion of element 5'! extending
the, body door post and door “front edge "parts
transversely of the plane of the door is spaced
cooperating to form a triple pocket weatherseal.
from the edge of the ?ange so as to form with
The body post comprises a structural angle with
open, sothat it would not tul?ll-itsvintended'purf '
,one ?ange _.2l disposed vlongitudinally “of. the 20 the ?ange and with the web of stop- 52 a sec
carand Ethel-other‘. ?ange ‘J22tgdisposed'tnansversely
' on'darygpocketKat the rear of ‘the initial pocket
L. E1ements"5'2_,‘53 and 53 iiorm'an inner,pocket
of the ,car with ‘itsoedge ‘portion 23 gbenjt , inwardly
to ‘ receive the t wooden :post, . member ; .24; Q Both
ment, the closing of the door, forms ‘three fSllC-i
gthisppost and the lpostrillustrated in..E1"gure_j2
,are' recognized standardsiinhrailwayrllouse ‘,car
cessive pockets’ facing’ outwardly “o'fl‘the Idoor
opening and the ‘?rst two “pockets encountered
“construction. - V _A vlcha'nnelelike ,pressing125 ' is . at
by a current of air 'ten'dingto .enLterthe-Ycarlare
positioned outwardly of itheinneri‘?ange tor ‘the
tached 7110 post ‘?ange. 1| land cooperates.‘ with
.post?ange ‘22lin.-i£01?m'ing one tsidenefl the ‘door
opening; The ‘doorstep v2,6 :com’asponds gener
,a11y..,to .s'top-,l 4i..previoi1s_l3{- described. , :rne ;door
‘door front edge member.
‘In..each of the above described arrangements
'includejs'a {frontal-‘edge member I‘Fcor'résponding
the/invention is shown. embodied injthe Joint
vto ‘door ; Ledge‘ ,rnemberr 1 gpreviouslygdescribed,
although shown as a pressing instead o'fl‘a rolled
section” The ;;.door- ,panelja LLis lassenib-led- 4 with
ture. ‘The invention may be embodiedrinsthe'
v{the doorfront .LedgermejmberlZlsiniilarly to" the
arrangement ‘shown, in Figure 2; vbut:theedge
,portion rOfV .theLpanel ,forms :a lip 1,9 qprojecting
tbeybndtheginner end-of the inclined portion-.30
pftgthejfront .edgemember.
‘corresponding ins-the 1~p0cket .-A previously 118- '
scribed“ zElgmen-ts ~35 .aand;:28i term’ :an :inner
pocket? “corresponding to the':P9okeb;1B~-D1‘e¥i—
and a_post forming a part ,of'theicar body struc
joint'between the main door .and auxiliaryldoors
of a car having a double door ‘arrangement‘and
commonly vterm-ed jean, “automobile tear.” In
suchajoint the major 'di‘fferencelies in..arrang'—
injg thepart's .so, thaiizqthe panels-of the two‘ doors
may ‘be ‘in ‘ the ‘same generalilongitudinal ~Lp'lar'ie
_lj-Ele_ments 2V6‘, 2] and-‘.30 form
between thefront edge .membe'rlo‘f asliding .door
~z?exihl, weather-‘estriomember <31 isrzse'cnred '
Be bqdyqzpost atralrointtinearer tOVTIthET-QOOI'
opening than the; attachment .or the 'r?exible
' One such arrangement ' is .shownv‘in'lFig'ures 6
and '7
which the: panel Jill §of {then-lain door
‘ and 'panel62 of‘t’he auxiliary door are».in,align
ment. The auxiliary door includes :an' auxiliary
main post'member '63 and aJframi-ng'member
64 which also forms - the .stop ,for lthermain door."
The post may be provided with any one of dif
erent known ‘types of "latching structure ‘(not
"for securing ‘the postto "the car -,sfi'de_ (sill
lip :32 projecting into Ethel intermediate :pocketzG 50 shown)
65 and side plate 165 when the doors arerclosed.
corresponding .to a pocket- C‘ ‘previously described.
The outer ?ange 61 ,of post member 63 ,‘is (offset
Lips? ?ea-rid j 32 ,zcooperate with lithe rpocket’wall
as indicated at 68 andterminatessinan
forming ..=;elemems ":to lbaf?e [the passage? - 'o'f r-iair
inwardly "turned ?ange?S to which one '?angeiof
and matter carried thereby to the \interioriof
the‘ "angular member 10 is secured, the, other
the Year. ‘ This structure ifunctionsi: substantially
?ange of tmem'ber'lll (extending in the same plane
"the .same as that previously described.
‘as they post ?ange “61 .andjorming with .the offset
Figure F4 illustrates‘ another - arrangement in
portion 68"the ‘inner pocket ‘N. The ‘front.’ edge
,which'ithe' ibodyidoor post l‘ll'l?door stop-L42
' member "H o-f'the main door abuts the door stop
' irnember'ini: Figure :2, and its :outeredge'ionms :a
door from edge *memloer 43 are "f’subs't ntial-ly
identical with the corresponding-of'ijllfg‘iig
V ure
{Hie-door ‘panel :44 Iterminatesabreast 'of
the ;-p_aralle1; 'portionf?fi of the_>~?ange"of;fthe
door yedg‘i-ng w‘totwhichlit is attached and "the
cooperating element‘ ‘56, on thebody1post<has~an
member. and forms therewith an outer pocket 0
corresponding ‘to ‘those previously described. A
V ?exible weather-strip ‘element 12 is attached to
the inwardly offsetportionof- the post mainmeni
ber’an'd has its outer end disposed to'j'be engaged;
by the inner face of'the marginalfportionjo‘f panel
: angular'ésection ‘with ajlong leg attached-torth'e 65 6|, "as the ‘main door isv ‘moved'into ‘closediiposi
innerjace of the; body’ post. *j'Theparts' 'men- / t-ion," tov form an ‘intermediate’ pocket fP. ,p'ffhis
arrangement correspondstothatshown, described
, tioned forrnfan outer pocket H and 'aniinner
pocket "1' corresponding to the “outer ‘and inner
and claimed'in an earlier,application'?led by
ap'plicant‘JunevZil, 1941,- Seria1 No.i4qq;2m3élanow
pockets previously ‘described.’ ,Ari intermediate
pocket J» iSflfQI‘nlBd by a member ?jcorresp‘ondf 70 Patent {2,313,106, issued ; March ‘9, _ 1943; ' ‘of‘ which
7 the present application, isa ' continuation jin'pa‘rt.
ing_jgenerally_'to;merriber 31 in ‘Figure 3jbut dif
therefrom' .in being substantially rigid
instead of ?exible. ".‘Its outer edgeiforms'are
bent ?ange '48 serving ‘as a ‘ba?ie for "currents ‘of,
' Figure 8 illustrates a door seal arrangementre
semblin'g'in'some’detailsTthat shown vinFigure 2
' but modi?ed:iforfapplication to g a main idoonand
air tending to’ pass inwardly-of the’ door irre-y 75 auxiliary door ' combination,‘ asset ‘forth ‘incon
nection with Figures 6 and 'I. The door panels
8| and 82, auxiliary door post 83, auxiliary door
edging and main‘door stop 84 and angular mem
?rst-mentioned pocket and opening towards thev
exterior of the door and closed-at its inner end.
v2. Structure as described in claim 1 which in
cludes an element on the post member inwardly of
the door member and element and cooperating
with the post member Web and the door member
?ange to form a third pocket opening outwardly
berv 85 are. substantially identical with the cor
responding parts shown in Figure '7. The ?ex
ible weather-strip member 86 is secured between
members 83, 82 and 84 and has a reverse curve
- projecting portion arranged to be engaged by
V of the car and closed at its inner end.
3. In combination, a pair of sliding doors mov
of the door front edge member 88. This ar 10 able into closed position with their adjacent edges
abutting each other, each of said doors com
rangement provides an outer pocket Q, an inner
prising a body panel and framing members at
pocket R and an intermediate pocket S func
the margins thereof, the framing members on the
tioning as do the triple pocket arrangements pre
adjacent margins ofthe two doors including over
viously described.
the oifset' and outwardly bent forward ?ange 81
Figure 9 corresponds generally to'the arrange
ment of Figure 4 but shows'the parts embodied
in the main door and auxiliary door joint of a
double door structure. The post main member
9|, the inner rigid angular member 92, the door
front edge member 93 and the door stop mem 20
lapping elements forming successive pockets
closed from the space at the inner side of the
doors, each having a‘relatively small opening
directed outwardly from said space whereby air
and matter carried thereby tending to pass from
the space at the outer side of the doors to the
space at the inner side of the doors is trapped,
one of the pocket-forming elements having a
sponding members shown in Figures '7 and 8
yielding portion extending into the path of move
except that the inclined forward ?ange 95 of
ment of an element on the other door, said yield
the door edge member is straight. The inter
ing portion forming an inturned lip adjacent one
mediate member 96 is rigid and is shaped to
side edge of the corresponding pocket.
provide extended contact with ?ange 95. Insofar
as the member 96 is rigid the structure corre
the yielding portion normally projects from an‘
sponds to that shown in Figure 4. As in the
inner wall of the pocket with which it is asso
other forms of the invention, three successive
pockets T, U and V are formed to block incom 30 ciated and. between the spaced edges at the open
end of the pocket to contact with the other door
ing currents of' air and trap dirt and moisture
when the doors are in closed relation.
carried thereby which will be drained downward
5. In combination, a pair of sliding doors mov
ly to the bottom of the door and post.
able into closed position with their adjacent edges
Each ‘form of the invention attains the gen
eral object described in the introductory por 35 abutting each other, each of said doors compris
ing a body panel and framing members at the
tion of the speci?cation in different speci?c em_
margins thereof, the framing on the adjacent
bodiments, and it is to be understood that, so far
margins of the two doors including overlapping
as the present invention is involved, it is imma
terial whether the post cooperating with the front 40 elements forming successive pockets closed from,
the space at the inner side of the doors, each
edge member of the door is a post forming a ?xed
ber '94 are substantially the same as the corre
part‘ of the car body or is a post mounted on
pocket having a relatively small opening adjacent
the joint between the doors and directed out
wardly from said space when the doors are closed,
shown in the drawings are intended to be illus
air and matter carried thereby tending to
trative and speci?c features of the body ‘post and 45 whereby
pass from the space at the outer side of the doors
associated door may be embodied in the auxiliary
to the space at the inner side of the doors is
door post and associated door and vice versa, as
trapped, one of the pocket-forming elements hav
may be deemed expedient. Some of the ele
ing a yielding portion extending into the path of
ments may be omitted, leaving two pockets em
movement of an element on the other door, said
bodying novel features of the construction. Other 50 yielding portion forming an inturned lip ad
variations in details of construction may be made
J'acent but spaced from the sides of the corre
by those skilled in the art without departing
sponding pocket.
. .
from the spirit of the invention, and the exclu
6. In structure for excluding weather from
sive use of such modi?cations as come within the
passing inwardly of the door opening in a rail
scope of the claims is contemplated.
55 way car having a sliding door, a post forming a
What is claimed is:
stop for the door, when the door is closed, spaced
1. ha railway car sliding door weather seal
elements on said post forming a plurality of
construction, a door, a door post, the door in
pockets, irrespective of the position of the door,
cluding an upright angular member with a web
and each having a relatively narrow opening past
an auxiliary door. The di?erent arrangements
' extending transversely of the plane of the door 60 which the door will move as it approaches said.
and with a ?ange extending longitudinally of
stop, and each having a relatively wide inner por
the door and forming the door front edge, the
tion permanently closed except for said narrow ,
post including an upright angular member hav
opening and adapted to trap matter which may
ing a web extending transversely of the plane of
enter the pocket opening.
the door and forming a stop for the door front 65
'7. In a railway car sliding door weather seal
edge, when the door is closed, and having a ?ange
construction,‘ a door, a door post, the post in
extending outwardly of said door member ?ange
and towards the door member web, and an ele
ment on the door member cooperating with said
door member web and said post member ?ange,
when the door is closed, to form a pocket open
ing towards the exterior of the door and closed '
at its inner end, said element cooperating with
said door member ?ange and post member web
and ?ange to form a second pocket behind said
cluding an upright web extending longitudinally
of the car, and ?anges spaced apart longitudinally
of the car and extending outwardly from said
Web, there being an element of ?exible material
extending outwardly from said web and positioned
intermediate said flanges and having a return
bend portion at its outer edge andforming with
said ?anges a pair of pockets with closed inner
ends and‘ open outer ends, the door including a
‘ ~frontledgevpart extending\lQngitudinally ofrthe
door and positioned, when the door is closedpto
overlie said pocket'open ends and to contact
said ?exible element at a point spaced from its
outer edge to increase the ba?iinge?ect of the
8. In a railway car sliding door weather seal
construction, post structure, a door front edge
structure slidable across the door opening to—'
element projecting inwardly from a sideof th/
pocket between its open end and its inner portion
to interrupt movement of air through the pocket.’ '
9. Ina railway car sliding door weather seal
construction, a post, a door front edge structure '
slidable across the door opening in the car Wall
towards said post into closing position, therebe- '7
,ingsubstantially-rigid elements on said post .and
, structure movable past each other and cooper:
wards‘ said post structure into closing position, 119 ating- when the door is closed to.v form a series
7 saidcstruetures each including spaced elementsnas
permanent parts thereof, said elements, when the
door is closed, ‘forming a series of three pockets
of three successive ,pockets'each having a rela- ,
tively wide v inner portion and 1 sides converging
towards a relatively narrow entrance from the
outside of the car, said pockets being arranged
arranged one after the other and each having a
relatively narrow outer'open end andhaving an 15 to check successively the passage of air and .for
eign?matter inwardly of the car through the
inner portion opposite to the open end and dis
joint between the postand the door. _'
, ‘
posed to ba?le the passage of air and foreign mat
ter inwardly of the car through the joint between
the post and door, atleast one'pocket having an
AxEL'vvAsYBERo. " '
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