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Патент USA US2412778

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Dec. 17, 1946.
‘
‘
J. A‘. KO‘SEK
‘ 2,412,778
SUSPENSION TYPE FLOORING FOR AIRCRAF‘T
Fiied Dec. '18, 1944
4 sheets-shut 1 ‘
I
‘
Dec. 17. 1946. ‘
J. A. KOSEK
2,412,778
SUSPENSION TYPE FLOORING FOR AIRCRAFT
BY “
.
Dec. 17, 1946.
I
.1. A. KOSEK
2,412,778
‘ SUSPENSION TYPE FLOORING FOR AIRCRAFT
Filed Dec. 18, 1944 ‘
4 ShQetsS-Sheet 3 7
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757.56?
BY ,
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SW
l VENT
21356
Dec.‘ 17,‘ 71946. ‘
SUSPENSION TYPE FLOORING FOR AIRCRAFT
Filed Dec.‘ 18, 1944
‘
4; Sheets-Sheet 4
Patented Dee-17,1946“
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2,412,778 ‘
*“PATENJT QWE
Joseph- A. Kmk, Fort Worm-Ten, assailant ‘
- I Consolidated ‘Vultee Aircraft/Corporation, San ~
'niegohcaliit, acorporation ofDelaware
“1 y‘
‘
I
a ‘
H Applicatmn‘December is; 1944,‘ Serial Not‘ 568,6il1
'I'heprejsent invention relates géne'rallyto?oor'5
tures~which are‘hereinaftersset vforth land are >
in'g. 1 Moreparticularly the ‘invention relates tolv
‘more particularly defined‘ by the claims‘ at the
thatjtypeqoif>_?ooring which is prim'arilydesigned
‘‘ conclusion hereon.
‘ forluseinvan aircraft and comprises a'transversely
e
“
‘ ‘
' -
‘
‘ ‘
v
_' v‘In the drawings which‘ accompany and form a -
V
s
e
e
e
v Figure Lisa fragmentary perspective of an air?
‘ subjacentportion
suspension'as
well
as in‘fspaced“
elation
with the 710 plane
‘fuselage having applied thereto 'a‘?ooring
.oithe'aircraft;
‘embodying
one form ‘of the invention;
. One obJect “of ‘the; invention is ,to provide an
Figure 1a is an enlarged‘fragmentary p'ersp‘ec- ;
‘ aircraft ?ooring or this ‘type which islan improve-j l tive of one corner of the‘ ?ooring‘oi Figure 1;
ment upon and has certain ‘inherent'advantages ‘‘
‘
Figure 2 isan end view; “ '
over previously designed flooring ‘for the same‘j ‘15/ j _ Figure 3 is aplan view; 1 i
purpose and is characterized by the fact that it is 1‘ Figure 41s a bottom view;
essentially of simple design ‘and possesses an‘
r
i
-‘ v “
“ I
‘a ‘
"
Lf
Figure 5 is a side elevational view;v
s (an aircraft ?ooring inwhich the various com-W20 the ‘V-shaped ‘straps are connected to‘ the top
and arranged‘ that thelcor‘rugations' of the panel‘
place ‘the ‘straps under tension; ‘r
may be ‘made of minimum height and" width to
the‘ end that the panel as awhole provides an
‘Figure 8 is an end view of a ?ooringembodying
‘another 'or modi?ed form of the invention; and
. ~
effective and e?icient tread surface. Another 0b,: 25“‘Figure
Figure
9 ;is‘ albottomwvievv‘
of ther if?ooring
or
8;
.
A
‘ l
‘ > I
_ject of the 'in‘vention‘eis to‘pro‘vide‘ an aircraft
7 also comprises a'series of spaced apart Vlshaped“ 330 “connection ‘with an airplanefuselage ‘A. The
and“ the upper portions ‘of the sill-'i'orming ‘side 35 as well understood in the: artythe stringers are
which is imposed on the corrugated tread iojrm‘ ing panel.
_ a
‘
'
‘
‘
_
_
“
e
thereto The cross ribs a have across the bottom
‘
portions thereof horizontal cross braces a’ which
A further object of the‘ invention is‘ to provide 40 are horizontally aligned and have the ends thereof
arr-‘aircraft ?ooring‘of the last- mentioned char-
‘
?xedly secured to the‘ cross ribs‘. 'I'he‘?ooring o1’ ’
acter. in which the sill-forming sidebeams beneath
‘ ‘ Figures 1 to 7, inclusive,‘ overlies the cross braces
the side margins of the corrugated tread forming
a2 and ‘comprises asits ‘main er‘ principal com
panel are in ‘the form of ohannel‘beams ‘and are ‘ ‘ponents‘a pair of sill‘- ormingv-channel beams Ill
so positioned that ‘the ?anges thereof extend in- 45' a ?at‘ plate H, a corrugated panel I 2, an inter
attached to their top‘?a'nges.‘
“
‘
a‘
A still‘ further object 01’ the invention is to
provide an aircraft ?ooring which may be fabri-
'
e
‘
and forms the ?oor‘ofthe airplane fuselage A. ~
The channel beams ID are positioned in later
cated orproduced with facility and at a low cost. ‘50 vally spaced parallel relation‘ and extend length
2,412,778
vertical alignment. The lower ends of the shanks
of the bolts 24 are provided with nuts 30 which
together with the heads on the upper ends of
tending horizontal bottom ?anges l1 along the a ‘
lower marginal portions of said webs. The bot
tom ?anges ll of the sill-forming channel beams
Ill ?t against and, are suitably secured to the ends
‘ of the cross braces a‘.
the shanks serve to maintain’ the reinforcing
plate 28 and the. subjacent portions vof the core , _.
rugated panel ii, the plate I l andthe top ?anges
5 .
>
,
portions of the V
by shaped
straps
ends of the straps are ?at and horizontally
‘conformationis concerned and extends
'
the
ends of the straps prior to as
aligned with the?oorlng.
They ‘are anchored in
.' sembly ‘ofmeans
the‘ of vertically
extending bolts ll
place by best shown in’ Figures‘
65and '! of the
the sill-forming channel beams
the side margins there
l0 and is arranged so that top .?anges l5’ of the
of‘ rest directly upon the
~ extends between
7 said channel beams l0. Preferably the side edges‘
located inwards of ‘
of the plate all and the outer faces of the webs
drawings; theand
.bolts
the 3|
topare
?anges,“ of the sill
forming channel beams l0 and'are arranged so
that the heads are on the upperltsends
of the
3| extend
shanks; ‘The shanks of the through holes 32 in the inner‘end‘s of the rein
33,. the:
2| j
forcing plates 26 ‘and registering holes I2,
and 35 which . arefformed. respectively in .the sub
In; are coplanar. , The. _
ll of the channel beams part imperforate and Y
is for the most
plate Iiformed
of any rigid light metal: or other" ’
may be
material.
The corrugated panel l2 overlies and'is co
extensive with the plate H and embodies a, longi
tudinal series of spaced apart transversely ex
tending ridges l8, 'and transversely extending
between the ridges.
7
. ltin clamped relation. The
I! Q3 that’ ‘ I are directly» inwards of
. The plate 1 i is rectangular so far as
wise of the'airplane fuselage A. ,
_
‘ Jacent
Preferably the \
portions ofthe corrugated‘, panel
the tops of j plate II and thegst'raps
the
panel
l2
which"
form
» , on their lower ends. 1
~portions of
?at and the portions of the
the nuts 86 are tightenedto
“the ridges l8 are
with they result that the .portions'
panel that de?ne the bottoms of t e grooves are
grooves, i9.
‘
2,5
"f the. straps
that are directlyinwards'oiuthe strap "ends are
‘upwardly de?ected or distorted and hence
place
By reason‘
the straps under tension at ‘all times.ll_’ are‘ under
of the fact that the V-shaped straps
tension they-operate through the‘ "medium of
the interm dia'te; channel beam l3‘to exertan.
the fact that the ridges
. against transverse bending or
l2 forms the tread surface or part‘of ‘the ?oor-.
It extends
'
.
"
The intermediate channel beam portion of
vupward force on theplate Hand the corrugated
depends from 'the central
between .3 panel l2 and hence counteract any load which is
across and
is disposed midway
‘
.thej plateil and
with the sill-forming
I
and‘ in parallel ‘relation beneath the side mar-r... 35. imposed on 'thecor‘rugated panel... j?
channel beams I!) that are
.the flooring ‘of.,l“igures,,l ‘to 'l, inclusive, com-“
gins of the plate H ‘and the transversely cor’
apart ver- ,
rugated'plate 12.1 vIt is formed of'any suitable ‘ prises a rectilinear séri‘escf spacedsti?eners
21.
tically extending angle'bar type,
light metal and comprises a vertically extending
number to and.
In
?ange 2| and an integral
- web 20, an integral top top ?ange 2| of the beam v40.
bottom ?ange 22.;- The.
I! extends-horizontally,
?ts ?atly against‘ the
is secured in
' central portion
of the plateshanks
ll and of
_‘
the rivets
,place by rivets .23. The
' ".
’
‘
These ,sti?eners. correspond in
are associated respectively'with the \ll-l-shaped
{legs 38' and
longitudinally
entending
‘
v
V
a
through [aligned or registering holes in 45 bolted orotherwise'?xedly secured to the web;
. extend,
and the corrugated
intermediate
the top ?ange 2 l ,_~ the plate "I I.
the beam it
panel l2. The bottom ?ange 22 ofthe
top ?ange
projects in the same direction as best shown in
.I ,20
have
of the
the.upper ends thereoffin
r
abutment
a
with
the central portion of theplate II I.
the drawings’
2| andsis upwardly inclined as
YQFigures
1 and v2. straps I! extend transversely
~ ‘e >V-shaped
’
‘
Asfshown in a
4 ‘bar sti?eners'3‘l are
mounted cnthe side’ of thegweb '20. that is] op
.50 posite. the side to which the
'
?anges 2|. and 22 are connected. ,The trans
and are spaced vequidistantly apart. They are» " ‘ versely extending legs 39 of the sti?eners 31 ex:
of the airplane fuselage A, underlie the plate ii
. vertically aligned with, and are substantially the
same in Width as, the portions of the corrugated
panel>l2<lthat de?ne certain of-the light
grooves;
metal
and are preferably formed of ?at
central portions of the straps ‘
stock- Theapex or
H underlie and. abut against the lower or bot-1
ftend'at right angles to the‘longitudinally ex
38 and hav'ethe lower endsv thereof
tending legs
beveled
orvangled‘ so that they abut directly
against. thegsubjacent portionsnof the straps I4.
The stiffeners. 3V1‘ assist .the intermediate chan
3 in transmitting to the plate H and
the corrugated panel l2 the upward ‘force result
tom marginal portion of, the web 20 of the chan 60 ring from the straps ll being under tension.
‘ ‘- nel beam 13. .Theends ofthe straps ll extend
The ?ooring of Figures 1 to 7, inclusive, may
horizontally outwards, ?t ?atly against the bot- .
' ‘tom faces of the inwardly extending top ?anges . bernade extremely light in weight while at tin
‘same time it possesses maximum strength due-t1
IB of thesill-formi'ng channel beams Ill, and
place by vertically] extending bolts ‘ the fact thatthe V-shaped- straps I! are unde:
are secured in
.24.
The bolts are. preferably arranged so that 65 tension at all times and exert. on the corrugatel
v
‘ panel an upward force 'ino'ppositionto any low
the headsareon the upper ends of the shanks.
which is imposed on the corrugated panel. - Be
The shanks ,of the bolts 24 extend, through holes
cause of the specific design, arrangement an
2!.inyreinforcing plates 26, holes 21 in the
cor
ii
and.
construction ‘of the-various componentparts th
rugated‘ panelv l.2,; holes 28 in the plate
holes 29 in the top ?anges it, of the channel ‘ ?ooring is capable of being assembled with-fa
may be produced at a low cost. fAl:
beamslll. ‘ The reinforcing plates 26' are mount
because of the design andconstruction/of tl
ed on the ends of the portions of the corrugated
panel that overlie the ends of the V-shaped straps _. parts thecorrugationsof the panel“ may 1
25, 21, 2B and 29 are the' same
v‘made of minimum height andwidth to the er
‘ II. .The holes,
Band 7 are in 75
. in‘v size and as shown in Figures
_
auagv'rar
5
that the panel as a whole provides an effective
,
‘
»
-
.
a
,
_
of use. It is also to be understood that the in~
vention isnot to be restricted tothe details set
forth since these. maybe modi?ed‘ within the
l
The ?ooring which is shown ‘in ‘Figure 8 of
‘ the drawings
l
a ?ooring for use in connection with aircraft‘ it
is to be understood that it has other capabilities
ceptlonallygood advantage in aircraft construc
tion.‘v
'16
> Whereas the invention hasbeen described as‘
and e?icient tread surface. In view of the fact
' that the flooring has an extremely high strength
weight ratio the flooring may ‘be‘used to ex
scope of the appended claims
constitutes another form ‘or em
without departing
bodiment of ‘the invention.‘ It is adapted to be ‘ from the'spiritand scope ‘of the invention.
used where a comparatively wide‘t‘ransvers‘e span 10> , Having thus described the invention what I
claim as new and desire to secureby Letters
is encountered and comprises a pair of“ parallel
Patent is:
laterally spaced longitudinally ‘extending sill
1. ‘A suspension type flooring comprisingfa pair
forming channel beams 40, a‘ rectangular longi
of laterally spaced parallel horizontally extend
tudinally extending plate 4|,‘ a rectangular lon-‘
gitudinally extending‘ corrugated panel 42, an in‘
ing sill-‘forming beams‘ adapted tolbe mounted‘
termediate channel beam '43,‘ vertically extend .15 in ?xed relation with asupporting structure, a‘
“rectangular corrugated panel extending ‘ longi- '
ing stiifeners 44, a series of v-shaped‘ straps 45,
a corresponding series of inverted V-shaped‘ I,‘ ‘tudinally of and across the’beams ‘and having
straps‘ 46 and a‘pair of secondary channelbeams ‘‘
the side margins thereof connected to the upper ‘
41. The sill-forming channel beams 40, the plate
4|, ‘the corrugated panel 42 andthe V-shaped
portions ofthe beams and its corrugations ex~
tending transversely of said beams, an intermedi- ‘
straps 45 are the same asqthe beams ill, the plate ‘
. ll,"the corrugated panel‘
ate beamdisposed equidistantly. between and in
‘i connected together and arranged in the‘ same
parallel relation‘ ‘with the silléforming beams;~
connected to, and'depending from. thepcentral
portion of the corrugated panel, and. embodying
along its‘ bottom margina substantially full
'ing of Figures 1 to 7, inclusive, and function or
length upwardlyincllned flange, and a longitudi
nal series of spaced apart transverselyextending
l2 ‘and the V-shaped‘
straps ll of ‘the ?ooring of Figures 1 to 7. in‘
elusive,‘ except that they are larger. “They ‘are *
manner as the corresponding parts of the‘i?oor
operatein the ‘same manner. ‘ The intermediate 1' ' one-piece ?at metal V-shaped straps disposed be
a channel beam 43 under es and extends length
, neath the corrugated
7
panel and having the' apex
30
wise of the central portion of ‘the plate 4| ‘End is
portions thereof in
of less height than ‘the central or intermediate
portions 'of the V-shaped straps 45.‘ The‘verti- ‘
1 callysextending 'sti?eners 44 are in the ‘former 1 '
‘ anglebars and correspond in number
andare
associated respectively with the strapsto‘45¢
They
embody longitudinallyextending‘ legs
, type feet 48 at their lower ends.
per_ portions of the sill~forming ‘beams in-such
tension, and exert upward force on the‘ corru
- gated
panel through said intermediate ~beam
and'trans- ‘
‘
The‘ upper
ends
‘
, . , 2. ‘A suspenslontype ?ooring comprising a pair
‘of laterally spaced parallel horizontally extending
sill-forming beams adapted to be mounted in
nxedrelation with a supporting‘ structure ‘and
having inwardly ; extending ?anges along. their
‘
> upper margins, a rectangular corrugated“ panel
. ‘ ‘gitudinally
extending longitudinallyof and ‘across the ‘beams
' ?t within
and having the side ‘margins thereof ‘overlying
extending legs ‘of-the ‘stiffeners and
the apex portions of the 3straps'45.
Said stiffeners 44 serve to ‘impart the upward
compression forces of the straps 45 tothe central
portions of'the plate 4! and the corrugated panel
42. The inverted V-shaped straps 48 overlie the
V-sh‘aped straps 45 and are arranged so that the
central or apex portions thereof rest on the top
‘
and their ends connected to the junctures of the
side margins of the corrugated panel; and the up
‘manner that the‘ straps are at alltimes, under
versely extending legs and have anglejbracket
' ofvthe longitudinally extending legs of the‘ still’
;eners 44 arebolted to the web of
the intermediate
channel beam 43 and‘ the ‘upper ‘ends of the
transversely extending .legs ‘ abut directly against
the ‘central portion‘of the ‘plate 4|. ‘The feet '48
arev ?xedly secured to the lower‘ endsof the ion
underlying and abutting re- '
‘lation with said ?ange .of the intermediate‘ beam
and connected to the beam?anges and its corru
gations extending transversely of said beams, lon-.'
gitudinally extending structural means connected
50
to, and depending from, the central portion of the
corrugated panel, a longitudinal series of spaced
The ends of the inverted V-shaped straps are bent ‘
apart transversely extending one-piece ?at metal
straps having the central portions thereof in
underlying and abutting relation with the ‘bottom
upwards and ?t ?atly against the portions of the
straps 45 that are directly inwards of‘ the an
?tting against and ?xedly connected to the bot
. ?ange of
the
intermediate channel beam 43.
‘chored or bolted ends. The secondary channel
beams 47 are disposed directly inwards of and‘
portion of said structural means and their ends
faces of said beam ?anges, ‘and clamp means
l‘ tom
applied to the portions of the straps that are
,
' r in parallel relation with the sill-forming channel ‘60‘ directly inwards ofith‘e strap ends and arranged ’
beams 40 and overlie the upwardly bent ends
so as to deflect and distort said last mentioned ,
of the inverted V-shaped straps‘ 46. ‘ They are‘
portions upwards into the plane of‘said ?anges
arranged so that the top andbottom flanges‘
thereof project or face outwards and have their
times and to exert upward force on the corru
' top ?anges bolted or otherwise fixedly secured to
the superjacent portions, of the plate 4| and the
corrugated panel 42. The bottom ?anges of the
secondary channel beams 41 are bolted to 'the
and cause the straps to beunder tension at all
gated panel through said structural‘means.
3. A suspension type ?ooring comprising a pair
of laterally spaced parallel horizontally extending v I
sill-forming beams adapted to be mounted in
upwardly bent ends of the inverted V-shaped ‘a ‘ ?xed relation] with a‘ supporting structure and j
‘ provided along their upper margins with inwardly
straps 46 and the subjacent portions of the‘
70 extending-?anges, a rectangular corrugated panel
‘ ‘
straps 45.
The ?ooring» of Figure 8 like that of Figures 1 l
to 7, inclusive,
possesses an ' extremely
high ‘
extending lengthwise of and across the beams - ‘
and‘ having the side margins thereof overlying
and connected to the beam ?anges and its cor
strength-weight ratio and may be fabricated or
extending transversely of said beams,
produced with facility and at slow cost.
75 arugations
single intermediate beam disposed midway be-.
.
2,412,778
‘ extending sti?eners corresponding in number to
with the sill-torm
we and in parallel relation
‘
and associated respectively with .thestraps, con
ing beams and connected to, and depending from;
nected-to the intermediatebeam, and having the '
the? central portion of the» corrugated beam, a
longitudinal-series of spaced apart transversely QIOWQt-QIIdSlhBIBQf in abutment with said-apex.
I v
V-'-shaped straps‘dis‘posed beneath the
extending
, 6. A suspension type ?ooring comprisinga pair I
corrugated panel and having the ‘apex portions
oilaterally ‘spaced parallel substantially'horizon
thereoi inunderlying and abutting relation with ' tal sill-forming beams. adapted to be, mounted in
margin of the intermediate beam and
giportions oi’ sald'straps.
1
‘
-'
‘
‘
'
'
\?x'ed relationiwith a supportlngstructu'raa rec
their ends ?tting ?atly against and connectedv10 tangular corrugated panel. extending across and '
, thebottom
,
vt'?xedly to thebottom-faces of said beam ?anges;
lengthwise ofqthe beams?and having the side,
‘and clamp means extending between the pore ,.
on the upper portions
tions '01 the straps that are immediatelyinwards ' > marginspthereoimounted
or they beams ‘ and‘ its corrugations extending
of the strap ends and the superjacent‘portion's of "
oi'said'beams, an intermediate beam
the corrugated paneland arranged so as topde-i 15 transversely
disposed midway between " and i in parallel rela
?ect and distort saidlast mentioned portions ‘up?’ ' ‘tion with‘ the ‘sill-forming beams, connected to.
I y and depending ‘from, the central portion or they
, straps to be under tension at all, times ‘and to
, corrugated panel, andembodying along, its bot-1
‘exert p ' pward force‘v on ' the corrugated panel , ‘ 1 "tom'margin‘a full length ?ange proiecting’irom
‘through said intermediate beam.
face ‘01 the intermediate beam only and
4; _ A‘suspension type ?ooring comprising'a pair 20 oneside upwardaa
longitudinal series of spaced
jot laterally. 'spaceduparallel horizontally extend-' -; I inclined
apart transversely extending one-piece ?atrnetal
sill-forming beams adapted to be mounted in
v-shaped ‘straps disposed beneath thecorrug'ated
, ?xedrelation with a supporting structure and r. panel and having ‘the’ apex portions thereof inv
' provided along their upper margins ‘with in
I wards into the plane or said ?anges and cause the
_
the
wvardly extending coplanar ?anges, a ?at rec-1 ,25 underlying and abutting relation with
tangular plate extending longitudinally oi.’ and
I
?ange
V oi.‘ the intermediatebeam andtheir-ends con
“ nected to the junctures oi the side margins of
across‘ the '
thereof
connected
beams to
and
thehaving
beam ?anges,
the sidea coextenmargins , _ ~ the corrugated panel and thevupper portions of
ithesill-forming beams in such manner that said '_ ‘
‘sive rectangular corrugated panel mounted on and - .'
30 straps ,are at all times under tension and exert
upward force; on the corrugated panel through
posed ‘Y midway between and-in parallel relation“ ‘ fsaidintermediatebeam, and a" series of vertically
connectedto the plate, an intermediate beam dis
with theisill-forming .‘beams and connected‘ to,_ '
V
‘and depending from, the‘ central portion of‘ they
‘extending angle bar‘ sti?eners corresponding in
,1- numbertovand associated respectively with the
' ~ plate, a longitudinal series of spaced aparttr'ans- - 'asmstraps, connected to the other side face of the in- .
versely extending'vone-piece ?at metal vp-shaped
termedpia-terbeam and having the upper ends ter- ‘
yr straps disposed beneath the plate and having‘ the _ ‘ 1 " minating adjacent the central portionrof the
1 A apex portions thereof in underlying and abutting
corrugated panel and-the lower ends in- abut
’ ~relation with'the bottom margin of'"the inter- ‘ :4 ment withsaid apex portions of said straps;
-' mediate beam and their ends ?tting ?atly‘against 4:0,‘
- '
. and: connected ?xedlysto the bottom ‘faces of
I said beam;;?anges,-'and boltsextending through
,7, ._A suspension type?ooring comprising a pair _
of laterally spaced parallel substantially. horizon;
,tal sill-forming beams adapted to be ‘mounted
in ilxed felation with ‘a supporting structure, a
the portions of the straps that are immediately in
‘ wardsofthe strap endsandthe'superjacent por
.. corrugated panel extending. across the beams and,
- ' tions of the plate and corrugated panel and tight 45 having the side ‘marginsthereoi. mounted on the
» .ened to such an extent that they‘ cause upward
upper portions of the beams and its corrugations
. de?ection-and distortion of said‘ portions ofjthe . > extending-transversely of said beams, an'intere ~
straps into the plane of said beam, ?anges and re
mediate beam disposed midway between,"and in
parallel relationwith, the sill-forming beams and
connected to, and depending. from, the central
tions of the plate and panel through the medium 50 ‘portion
of the corrugated‘panel, a longitudinal’
V- . sult in the straps being at all times under tension ‘
and exerting an upward force on the central por
of said intermediate beam.
series oi- spaced apart transversely extending one
piece V-‘shaped straps disposed beneath‘the cor‘
of laterally spaced parallel substantially horizon
_ rugated panel and having the apex portions
.‘ ,talisillrforming beams adapted to bemounted 55
‘a thereof in underlyingv and ‘abutting relation with
‘in ?xed relation with‘a' supporting structure, a _ the lower margin of said intermediate beam‘and
_ ~ 5. _A suspension type ?ooring comprising a pair
.
rectangular corrugated panel extending across '
‘ their ends connected to the junctures of the side
> and lengthwise of the beams and having the side
marginsof the corrugated panel and theiupper
marginsv thereof mounted on the upper portions - portions of the beams .in such manner that the’
_ oi the beams and its corrugations extending»
v60 straps are at all times undertension and-exert '
‘ vtransversely ofsai'd beams, aninterme'diate. beam
upward force on the corrugated ‘panelithrough
= disposed midway between and in parallel rela- '
said structuralmeans, and a corresponding lon
,tion' with the ‘sill-forming beams. and connected
gitudinal series of spaced apart transversely-‘ex
to, and-depending from, the central portion of . ‘ tending one-piece inverted V-shaped straps‘ as
the corrugated panel, a longitudinal series or 65 soclated respectively with the V-shaped straps
spaced apart transversely extending _V-shaped
straps disposed beneath the corrugated panel and
p ‘having the'apex portions thereof in underlying
vandhavingfthe apex-portions thereof disposed
beneath the central portion of said corrugated
panel and‘overlyin‘g and directly engaging the
and ‘abutting relation with the lower margin _ upper‘ margin of‘ said intermediate beam and
of theintermediate beam and their ends‘ con 70 vtheir ends connected to said V-shaped straps in
~nected to the junctures of the side margins of
the corrugated panel and» the upper .portions of:
the sill-forming beams, in such manner that the
‘straps are at all times“ under tension and exert,
' upward force on the corrugated panel
through
said intermediate beam, and a series oi vertically
\wards of the ,latters’ ends.\
\ 8. A suspension type ?ooring comprising a pair
of laterallyspaced parallel horizontally extend; '
ing sill-forming beams adapted to be mounted
‘75 in ?xed relation with a supporting structure, a
2,412,778
9
rectangular corrugated panel extending longi
tudinally of and across the beams and having‘
the side margins thereof connected to the upper
portions of the beams and its corrugations‘ex
tending transversely of said beams, an interme
diate beam disposed equidistantly between and in
parallel relation with the sill-forming beams, con
10
‘
nected to the junctures of the side margins of the
corrugated panel and the upper portions of the
sill-forming beams, and a series of vertically ex
tending angle bar stin‘eners corresponding in
respectively with the
‘ number to and associated
straps, connected to the other side face of the
intermediate beam, and and having the lower
nected to, and depending from, the central por
ends thereof in abutment with said ‘apex portions
tion of the corrugated panel. and embodying
of said straps.
along its bottom margin a full length upwardly 10'
10. A suspension type ?ooring comprising a
inclined ?ange, and a longitudinal series of spaced
apart transversely extending one-piece ?at metal
V-shaped straps disposed beneath the corrugat
ed panel and having the apex portions thereof in
underlying and abutting relation with the ?ange
of the intermediate beam and their ends con
nected to the junctures of the side margins of the‘
corrugated panel and the upper portions of the
pair of laterally spaced parallel substantially hor
izontal sill-forming'beams adapted to be mounted
in‘ ?xed relation with a supporting structure, a
corrugated panel extending across the beams and
having the side margins ‘thereof mounted on the
upper portions of the beams and its corrugations ‘
extending transversely of said beams, an inter
mediate beam disposed midway between, and in
parallel relation with, the ‘sill-forming beams and
9. A suspension type ?ooring comprising a pair
of laterally spaced substantially horizontal par 20 connected to, anddepending from, the central
allel sill-forming beams adapted to be mounted in , portion of the corrugated panel, a longitudinal
series of spaced apart transversely extending one
?xed relation with a supporting structure, a rec
sill-forming beams.
,
_
,
tangular corrugated panel extending across and ‘ piece ?at metal V-shaped straps disposed be-‘
lengthwise of the beams and having the side mar 25 neath the corrugated panel and having the apex
portions thereof- in underlying and'abutting rela~
gins thereof mounted on the upper portions of
tion with the lower margin of said intermediate
the beams and its corrugations extending trans
beams and their ends connected to the‘ iunctures
versely of said beams, an intermediate beam dis
or the side margins ‘of the corrugated panel and
posed midway‘between and in parallel relation
with the sill-forming beams, connected to, and 30 the upper portions 01' the beams, and a corre
sponding longitudinal series, of spaced apart
depending from, the ‘central portion of the cor
I rugated panel, and embodying along its bottom
margin 9. full length ?ange projecting from one _
transversely extending one-piece ?atimetal in
verted V-shaped straps associated respectively
with the _V-shaped‘straps and having the apex,
side face of the intermediate beam only and in
clined upwards, a longitudinal series of spaced 35 portions thereof disposed beneath the central por
tion of said corrugated panel'and overlying and
apart transversely extending one-piece ?at metal
V-shaped straps disposed beneath the corrugated
directly engagingthe upper margin of said inter
mediate beam and their ends ‘connectedto said
panel and having the apex portions thereof in
V-shaped straps inwards of the letters’ ends.
underlying and abutting relation with said ?ange
of the intermediate beam and their ends con 40
.rosnrn A. xosnx.
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