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Oct. 8, 1946.
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I
A, CAMPBELL
I
2,408,733
ROOF HATCH FOR RAILWAY CAR-f4
Filed Aug. 4', 1944 Y‘
'
Z'SheétS-Sheet 1
Oct. 8, 1946. _
‘
2,408,733
A. CAMPBELL
I
ROOF HATCH FORQRAILWAY CARS
Filed Aug‘. 4. 1944
I 5 “Sheets-Sheet 2
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A. CAMPBELL
RdOF HATCH FOR RAILWAY CARS
,Filed Aug.‘ 4, 1944
BY
3’ Sheets-Sheet 3
2,408,733
Patented Oct. 8, 1946
_~ UNITED
‘OFF-ICE’
Argyle ‘Campbell, ‘Chicago, Ill.y,_yassi_gnor to Enter
;prise Railway Equipment Company, ‘Chicago,
'
v111.;a'corporation-of Illinois
‘
Application Auguste, 1944, Serial
548,079 ‘
6 claims.- ' (01.165437?)
head being ?attened somewhat on its upper edge
My invention relates to’ improvements‘ in
tov broaden ‘the area, of contact with the cover. '
hatches particularly suapiedfror .the‘roofs of rail- _
wa'ycars.
downturned
"The'cover' TC
marginal
is a'?at ?ange
pan-shaped
5 of which
structure,
overlies
the ,I '
“one er ‘the objects or-my intense-n is't'o" pre- ’
the marginal bead or seat of the hatch wall to
prevent the entrance of water and dirt. The
cover is- suitably reinforced by a central longi
tudinal tile '6 on its underside, as shown more
Vide a rdo'f'hatch structure which the vjgiarts are
arranged so thatthey are‘ welded‘ together, ‘thus
avoiding the use of r‘i'iiets" andlthefléaks incident
thereto;
‘v
" '
‘
j ,
t
' "I
f A further olpject'is‘to provide aiha'tch structure
cieanyin Eig'sr2 and 3.
'
h
-
I'I‘he coveris ,‘hinge‘d at one of its longitudinal
in which ‘the hatch cover is .fleii'ibly and resili
sides so as to swing .from closed position to fully
é'r‘itly' connected to the operating mechanism,‘
open position, as shown in Fig. 3, upon the roof
such manner that'the ‘clamping or closing ‘Ii-res‘
‘of ‘the car.v In" the present structure thehinges
sure on the 'cov‘e'r'will beuniforinly distributed
compnse‘shaced parallel straps 1 which extend
ahd‘ediialize'd' around the rim or seat'of'th'e hatch
and 'thus'form an e?e'ctiveseal for-the hatch 15 substantially acrossi'jthe upper side of, the cover
‘and are siecured‘the'reto ‘by welding. At one side
opening.
'
"
"
.'
10
o‘flthe c‘over'the‘s'e straps extend beyond the mar
Ayfurthér object is to pmviae a roof hatch
structure whiéh’i's simple yet rugged’in construc
tion'and rélativ‘ely'less costly to manufacture. ‘
Other ‘objects of my'invention will appear'fr'om
~ gin or the‘cover and their ends areturned to form
hinges '8 ‘which are ‘mounted upon. a hinge shaft
'9. _The hinge shaft is mounted in triangular
lugs,‘ [0 ‘which are secured by welding ll
the"~ following description .and‘clainis in connec; ‘ ‘shaped
.toi-thewertical
and horizontal ?anges l and'2 "of
tibn ‘with "the accompanying drawings‘ which
the. hatch.‘ 1
illustrate one‘embodime'nt of the intention. H
The operating mechanism D vfor the cover
‘ "Referring to the drawings'F‘ig. l is a__top_plan
bridges
and atone side of the vhatch
new ofthehatch andcoyer operating mechanism 25 is, hinged_the,_c0ver
and‘ at the oth'er's'ide is provided with
in closéd’positidn on'?the r‘ooioi ta’railwayl car,
a ‘suitable handle l2 and locking, means for se
20
ah'iio‘rtion ofwhich is shown; Fig. _2xis_ an end ele
Vation'ofthe jhatchws'ti‘ucture showninFig. 1,
looking in a direction lengthwise of the car{ Fig.
31's meal $e<=ti¢n§iib§teetia11y©nthe liile 3+3
ofjliiigl; showing the hat'chncover in fully open
position; “Fig. 4 "is a vlongitudinal section‘ on ‘the
ofth'e'hatch'structure shown in Fig, 1.
' The structure shown in the-drawings‘comprises
in_ general a‘hatch A mounted on’ the roof B of
the carLajcoYer'C, and the operating mechanism
D for the cover-
Y
a
.
y
a
.
v
curing ‘the operating'rmechanism in closed posi
.tion. The ioperating ‘mechanism D is‘ formed of ~
angle members |'3,.\the ‘horizontal ?anges M of
‘v which extend inwardly toward each vother. These
angle inieniber's‘ atthe hinge side of, the structure
are spaced apart 'andftheir'gdownturned ends are
1providedi‘with hinge members It which are
'mounted ‘on the
shaft 9. 1 These angle
members are lconvergedto a pointabove the cen
ter ‘of ‘ the: cover‘ ‘Where their'iinturned ' flanges. l 4
meetjand' are welded together. At this central
point, the angle members are continued in paral
, -'Ifhe hatch in the present-structure, is generally
lel for a short length. ‘From this central point
of oval shape, and the hatch opening inthecar 40 they vertical flanges of the angle members are
‘roof is bounded by the anglesmember having-Van
converged toward the outerma'rgin of the cover
upright ?ange I ‘which'forms the Wall “of” the
so that they are spaced abart'a lesser distance.
hatch ‘and having ‘ a horizontal ?ange >~2~whieh
This is accomplished by tapering the inturned
overlies-the margin of the-‘roof and by V-Which'the 45 ?anges l4 ,and ‘abutting their edges which are
welded together. 'The end portions 15 0f .the
hatchis' secured‘by welding-toethe-car roof; An
‘inner vangle'm'ember ‘3 surrounds *thevopen'ing
vertical ?anges are? turned ‘downwardly and ‘the
margin ‘and its“ horizontal flange ‘overlies ‘the roof
handle member ‘I2 is‘ secured between these down
margin ‘on the ‘under’ side "thereof,‘ ‘and ‘the y’v‘ere
'lticali?ah’g'e’ extends along the‘inner‘side‘" 6f the
hatch Wall} ‘These parts ‘are all secured‘tdgether '
iby"weldihg ‘to rigidly attaéh'thé’hatch to the
roof-and provide‘a‘wa'tertight joint. ‘The upper
turned ends “by means of rivets IS. The handle
50 ‘member’ 12"
a depending :portiozr I'I'v forming ~'
'part‘of‘th'e ticking mechanism. This depending
portion‘ I‘T‘is adapted
closedlposition of the
mechanism to enter between'the twospaced lugs
ll 8 which . are weldédlin position in. the angleibe
edge: ‘of the hatch wall‘rhas ‘ai‘bead' or ‘bulb ‘4
whichforms Ea ‘seat for‘ the hatch cover '0',‘ ' this ~55 tween the verticalandihorizontali?angés l and -2
,
‘21408333
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4
3
oi‘ the hatch. Both the depending lugs l ‘l and the
keeper lugs it are provided with key slots l9 and
20 respectively, which are adapted to register in
the closed position of the mechanism so that a
locking key 2! can be inserted therethrough and
rotated to lock the parts in place. This key is
carried bypa suitable chain 22 secured to the
hatch, so, that the key will not become lost.’ __
As shown more clearly in Fig. 2, the angle
means at the other side of said operating mech
anism for holding said operating mechanism in
closed position, and a resilient means carried by
said operating mechanism and bearing upon said
cover to apply pressure to hold the cover upon
its seat.
,2. In a roof hatch of the class described, the
combination of a hatch wail de?ning a hatch
opening and having a seat on its upper margin,
members of the operating mechanism D are "10 ~a pan-shaped cover hinged at one side on the
arched upwardly above the central portion of the — '
hatch wall and adapted to be pressed upon said
cover to provide room for the ?exible or resilient:
connection between the operating mechanism
and the cover.
This flexiblecon'nection is pref:
seat, an operating mechanism bridging tne cover
and hinged at one side adjacent the cover hinge,
means at the other side or‘ said operating mech
erably in the form of an arched leaf or plate» { ,anism‘ioriiolding said operating mechanism in
spring 23 which is secured by Welding at its cen-_
closed position, and means for uniiormly pressing
ter portion to the under side of the ' parallel- 5 . the cover upon its seat, comprising a spring mem
flange portion of the angle members D and ‘which
~ ber mounted upon said operating mecnamsm and
are extended longitudinally in both directions” ' bearing upon said cover in substantially the cen
from this center portion‘ to the spaced hinge strap 20 tral portion thereof.
>
,
1 where its'endjs' 24 bear‘upon‘ the hingestraps.
_Thus when the‘ operating mechanism D is in its
closed _' position, ‘ it‘ yieldingly" applies ‘pressure
> 3. In a roof hatch ofthe class described, the
combination of a hatch Wall de?ning a hatch
opening and having a seat on its upper margin,
througli‘th'e medium‘ ‘of the spring 23 to the two
a pan-shaped cover hinged atone side on the
points on‘ the cover Where the ends of the spring 25 baton wall and adapted to begpressed upon said
bear upon the hinge strap 1. Since these points
seat, an operating'mecnanism bridging the cover
are located in the longitudinal axis of the cover
and at equal distances: from the'operating mech
anism, the clamping pressure‘ will be'uniformly
‘distributed " and ‘ equalized throughout‘ the area
or" the cover with‘the result'that'the cover will
be‘ uniformly ’ and evenly ‘pressed against ‘the ‘rim
4' of the hatch. ’ This flexible connection between
the'opcrating mechanism (‘and the cover thus al
and hinged at one side adjacent the cover hinge,
means at the other side of said operating mech
anism for holding said operatingmecnanism in
closed position, means for uniiormrlyppressing the
cover upon its seat, comprising'a spring mem
ber mounted upon said operating mecnamsm and
bearing upon said cover in substantially the, cen
tralportion'thereof, and a lost motion connec
lows for‘ any irregularities in manufacture and 35 tion between the cover and the operating mech
assembly 'of 'theip'arts and‘ thus insures a uni
formly tight‘ joint throughout the contact of the
anism adjacent the margin of the cover.
'
,
'
4; In a roof hatch Ior railway cars, the com
cover with'the riinof ‘the ‘hatch. ' In‘ order to pro:
bination of a hatch wall denmng aynatch open
videv slip'joints'between the‘ end portions of the
ing and having ‘a seat ‘On its upper margin, a
spring 23 and the‘cov'er to allow for'the variation "10 hat pan-shaped cover hinged adlacent one side
‘in the lengthofthe spring due‘, to 'its'?exin'g, the
of the hatcnywail and adapted to be pressed upon
straps" 25 are bridged‘ over'the ends" 2'4 ot'the
said seat in closed position, an operating lever
spring and their ends 26 are welded to‘ the, hinge
hinged at one end ‘on the same axis as tne hinge
strapsl.
,,
..
‘M
,
.
..
The operating‘ lever D has no ‘other'conriecti'on, '
‘except’ through the, spring 23, with‘ the ' cover
throughr'which pressure is applied ‘to the cover.
It isgnecessjary‘, however, toprovi'de a positive con
nection between the cover and the lever D‘to ‘raise
the ‘cover froiri'its closed position. fAt the handle
"end of'the ‘operating mechanism, an "elongated
or‘ tnecover and extendingyover the cover'to' the
opposite side thereof, means at said opposite end
or‘ said lever for holding the lever in-closed'po
sitlon, and means ~ i'orapplying pressure umiorm
1y upon the cover and seat it on said seat, com
prising a ‘spring member carried upon said lever
and disposed transversely oi' the lever, said spring
being arranged with 'its end portions‘ bearing
loop member 2'1 is secured byweldin'g' to vthe upper
upon the cover at separated points in :the longi
side’ of the cover adjacent thev margin‘ thereof.
tudinal axis of the cover, and slip’joint connec
rI‘his loop member ‘extends through slots ‘28 in ‘the
tions between the end portions of saidspring and
vertical ?'a'nges of'the angle'inembers l3 ‘and thus 55 said covert
~ -}
,
-'
provides a positivejconn'ec'tion‘ between the oper
5. in a roof hatch for railway cars,~"the com‘
ating lever and the cover by which jthe'lever will
bination of a hatcn wall denning a hatch open‘
positively and‘ solidly lift ‘the ‘cover. The‘loop
ing and having a seat on its upper margin, a hat
member ‘and the ‘slots 28' are sufficiently large,
‘pan~snaped cover hinged adjacent one side of
however‘, to provide considerable play or lost mo
the hatch ‘wall and adapted to be pressed upon
tion so that the lever'does not actually bearupon
said'seat, in closed, position, anoperating' lever
the cover or apply pressure thereto at this point.
While I have herein described and claimed
what I consider the preferred method of carrying
out my invention,'the same is merely illustrative
and I contemplate such changes‘ as" fairly fall
within the ‘scope of my invention.
'l'claim'z'i
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.
"
'
hinged at one end adjacent the hinge oi‘ the cov
er and extending over the cover to ‘the opposite
side‘tnereoi‘; means at saidopposite end oi said
lever for holding the lever in closed position,
means for applying pressure uniformly upon the
cover and seat it on said seat, comprising a
_T'
'
v1. 111 ‘a' roof hatch of the class clescribed'fthe
combinatiori'iof a‘ hatch wall ‘de?ning a hatch "~ ‘
opening and ‘having aseat' ori'its upper margin,
a pan-shaped'cover hinged on said hatch Wall
and adapted ‘to be ‘pressed ‘upon said seat, an
‘operating
hinged at "mechanism
one side adjacent‘
bridgingthe
thecover
‘coverhinge,’
"and
spring member carried upon saidlever and dis
posed transversely oi‘ the lever, ‘said spring being
arranged with its end ‘portions bearing‘ upon the
‘cover at separated points in the ‘longitudinal axis
of the cover, slip joint connections between the
end portions of said spring andv said cover, and
:an_elon_eated lo'op' member secured to the cover
adjacent the margin‘ thereof on the side opposite
2,408,733
5.
' the cover hinge and extending through slots in
said lever, said slots, and loop being su?iciently
large to provide sut?cient play‘ to prevent the
lever applying pressure to the cover.
6. In a roof hatch for railway cars, the com
bination of a hatch wall de?ning a hatch open
ing and having a seat on its‘ upper margin, a
6
joined together .and extending across the cover
and. being arched above the central portion of
the cover, a leaf spring secured to the under side
of said angle members at the arched portion
thereof and having its ends yieldingly bearing
on the cover at separated points in substantially
the longitudinal axis of the cover, loop members
secured to the cover and bridging the end por
?at pan-shaped cover adapted to be- pressed
tions of said spring to provide slip joint connec
against said seat in the closed position of said
cover and hinged adjacentone side of the hatch 10 tions between the spring and the cover, and a
Wall, an operating lever hinged at one end ad
jacent the cover hinge, means at the opposite
side of said hatch for holding the lever in closed
position, said lever comprising angle members
lost motion connection between the cover and
said operating lever adjacent the margin of the
cover opposite the hinge thereof.
ARGYLE CAMPBELL.
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