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Патент USA US2412283

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Dec- 10, 1946-
A. FLO’CONNOR
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2,412,233
GAR ROOF STRUCTURE
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Filed March 5, 1945
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2,412,283
Patented Dec. 10, 1946
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4' STATES?
Arthur.
Q’Connqn Chicago... Ill-.1 assigns): to. Union Asbestos- & Rubber - coarser’; Marrow:
tion or. Illinois, i
: Application March 5, 1945", Serial No.;5$1',0271
5Claims. (c1. meager»
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' This invention relatesLtocar roof structure and
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Metal railroad. car roofs. are usually constructed
OJ‘; adjoining roof, sheets spanning the side plates
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extending- ?ang'es overlying the side plates.
The adj acent, ?anges IA! of the roof; sheets. are
connected ‘by means or channel shaped seam
moreparticularly-to metal roofssfor railroad cars,
or the, like.
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portions which are bent over to form downwardly.
Or
covers. I5 which-?t; over the pairs of ?angesand.
secure. ‘them together. Rivets, or like fasteningsv
of the. car and connected by seams. extending
t6 mayrextend'. through the. covers’ I15; and the
across-the car. In roofsw of'this type agreat deal
flanges
1:4 to provide a, permanent. joint.
of di?ic'ulty has been encountered in sealing the
covers. 115-116, formed with horizontal ?ange POI‘:
joints between adjacent roofeshee-ts- at the eaves
tions; 'I'I; overlying. .the adjacent; portions of» the
portion of the roofand it: isone of the objects of
the. present. invention to. provide a roof structure
Since the ?anges I54‘ terminate shorti orv the.
inwhich thejoints are tightly. sealed atthe eaves.
endsoftheroof sheets; the joints. between
Another object. is, to. ‘provide a'. car. roof- struc-.
jacent roof sheets atgthe eaves portion of thereof
ture in which the joints betweenthe roof sheets.
is formedgby ‘the plain- edges of'the sheets which
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at theea'ves'of the .carrare formed'by abutting
may or may not be in contact. In order to seal
the sheet edges and are sealed by yielding sealing
the joint between these abutting edges, the sheets
material lying between the roof sheets and the
are offset adjacent their ends as indicated at I9
side plates.
to
provide a space between the arcuately curved
Still another object is to provide a car roof
structure in which the edge portions of the roof 20 portions I2 of the side plates I0 and the roof
sheets. The ?anges I‘! of the seam covers are
sheets adjacent the joints therebetween are offset
similarly offset as indicated at 20 to ?t over the
to provide a space for sealing material.
offset portions I9 of the roof sheets.
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The above and other objects and advantages
The space provided by the offset portions I9 is
of the invention will be more readily apparent
from the following description when read in con 25 ?lled with a sealing material shown at 2|. This
material may be of any desired type such, for
nection with the accompanying drawing, in
example, as paper felt or the like saturated with
which—
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asphalt to provide a non-drying, yielding, water
Figure 1 is a partial top plan view of a car roof
proof mass. In assembling the roof, the sealing
structure;
material 2| is placed between the o?set portions
Figure 2 is a partial enlarged section on the
I9 of the roof sheets and the side plates l0. When
line 2-—2 of Figure 1;
the roof sheets are riveted or otherwise fastened
Figures 3 and 4 are sections on the lines 3-—3
to the side plates by means of rivets such as I8,
and 4-4 respectively of Figure 2;
this material, which is initially thicker than the
Figure 5 is a perspective view with parts broken
roof-sheets;
away showing the sealing construction at the
eaves portion of the roof; and
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Figure 6 is'a partial perspective view of a single
roof sheet.
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depth of the offset I9, is compressed to seal tightly
against the roof sheets and side plates and to
‘prevent any leakage or seepage of water between
the abutting edges of the roof sheets. It will be
seen that this construction can be formed and
As shown, the car is provided at its opposite
sides with side plates I0 of substantially 2 section 40 installed simply and inexpensively and that it will
provide a permanent water tight joint between
supporting the side walls II of the car. At their
the roof sheet at the eavesv portion of the car
upper edges the side plates are arcuately bent as
where the greatest dii?culty has heretofore been
indicated at I2 to form substantially horizontal
?anges extending toward the center of the car. 45 encountered.
While one embodiment of the invention has
The roof proper is formed by a plurality of roof
been shown and described in detail, it will be
sheets I3 adjoining each other at their sides and
understood that this is illustrative only and is not
spanning the side plates to be supported thereon.
intended as a de?nition of the scope of the in
The roof sheets I3 are formed of sheet metal and
vention, reference being had for this purpose to v
have upwardly extending ?anges I4 at their sides. 50 the appended claims.
When the roof sheets are assembled, the ?anges
What is claimed is:
I4 of adjacent sheets abut each other to form
1. A car roof structure comprising spaced side
plates, a plurality of adjoining roof sheets span
joints between the sheets. In the present con- ,
ning the side plates, the edge portions of the roof
struction, as shown, the ?anges I4 terminate short
of the ends of the roof sheets leaving plain edge 55 sheets being formed to ?t snugly over the side
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plates and being offset outwardly from the side
plates adjacent the joints between adjacent
yielding sealing rnaterial between the side plates '
and the offset portions of the sheets to seal the
sheets, and. yielding sealing material'between the
joints between the sheets at the eaves portion of
side plates and said o?set portions of the sheets
the roof.
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to seal the joints between the sheets at the eaves 5
4. A car roof structure comprising spaced side
portion of the roof.
plates arcuately curved at their upper edges, a
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2. A car roof structure comprising spaced side
plates, a pluralityof adjoining root'sheets span-.
ning the‘sid'e plates, theedge portions of the roof >
sheets being formed to ?t snugly over the side
plates and being oifset outwardly from the side
plurality of adjoining roof "sheets spanning the
side plateswith their edge portions curved down
wardly to?t snugly over the curvededges of the
10 '__side plates,
plates adjacent the joints between adjacent
sheets, upstanding abutting ?anges at the sides v
of the sheets, seam covers ?tting-over the abut- -l'
ting ?anges and extending over the edge portions
of the sheets, the seam covers being o?set to ?t
over the oifset portions of the sheetsnandryield
ing sealing material between the side plates and
the offset portions of the sheets to seal the‘ joints ‘
the edge portions of the sheets being i
‘ o?set outwardly adjacent. the joints between ad
jacent sheets, and sealing material between the
side plates and the offset portions of the sheets to
seal- the joints between the sheets at the eaves
portion of the roof; l
5. A‘ car roof structure comprising spaced side
plates arcuatelycurved at their upper edges, a
plurality of adjoining roof sheets spanning, the
sideplates with their edge portions curved down
between the sheets at the eaves portion of the 20 wardly to ?t snugly over the curved edges of the
side plates, the edgeportions of the sheets being
3. Aicariroof. structure comprising spaced side,
offset outwardly, adjacent the jointsbetween ad
plates,.a.p1urality of adjoining roof sheets; span
jacent sheets, upstanding abutting ?anges’ at the ning the side plates, the edge portions of the roof
sides of the sheets, channel shaped‘seam covers
sheets being ,formed to f?t- snugly over the side v25 ?tting over the abutting‘ ?anges and curved
platesand. being offset? outwardly from the side
downwardly at their ends to overlie the curved
plates adjacent the joints between adjacent
edge portions of thesheets', theseam coversvhave
sheets, upstanding abutting ?anges at the sides
ingi ?anges overlying the adjacent portions i of
of’ the sheets terminatingshort of the edge por-i
the sheets and which are o?set at ‘the ends of the
roof.~-~
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tions thereof,’ channel shaped seam covers ?tting 30 seam ,covers .to ?t over. the o?set portionsofsthe'
over the abutting ?anges having ?anges>thereon
sheets;,and sealing ‘material between the side
overlying theadjacentportions of‘ the roof sheets,
plates and the o?set‘portions of‘ the sheets‘ to
the‘seam' covers, extending over- theedge portions
seal the jointsxbetween the sheets at the-eaves ',
of: the roof sheets and having their ?anges oifset
portionsofxthe' roof.
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to. ?t over the o?set. portions ofthe sheets, and 35
' iARTHUR F.0’CONNOR". 7- '
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