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Патент USA US2405584

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Filed Feb. 15, 1945
2 Sheets-Sheet 1
i3, 1%.‘
H, LEwqs"
Filved Feb. 15, 1945'
A5934 '
2 Sheets-Sheet 2
Patented Aug. 13, 1946
Harlow Lewis, Provincetown, Mass.
Application February 13, 1945, Serial No. 577,718
3 Claims. (01. 20-2)
(Granted under the act of March 3, 1883, as
amended April 30, 1928; 370 0. G. 757)
studding, bridging, sheathing, and ?nish in ex
The invention described herein may be manu
terior wall construction, may now be combined
factured and used by or for the Government of
in one.
the United States for governmental purposes
With these objects in view, the invention con
without the payment to me of any royalty thereon
in accordance with the provisions of the act of C21 sists of the construction unit of a modi?ed U sec
tion, formed of any laminated or sheet material,
April 30, 1928 (Ch. 460, 45 Stat. L. 467).
with or without metal reinforcement, so as to
This invention relates to building construction
permit automatic locking and bracing in any po
and has for its objects generally to improve and
sition when framed in combination with one or
simplify the construction of ?oor, wall, partition
and roof systems in structures of various types; 10 more similar units and accessories.
The invention further consists in having the
to provide connections at horizontal, vertical and
legs of the units formed with ?anges parallel to
oblique joints which will give the maximum of
the opposite face, thereby obtaining greater stiff
rigidity and stiffness to the structure and which
ness and load carrying capacity, and a larger sur
will permit a more positive securing of the vari
ous members together; to provide a simple and 15 face for the attachment of ?nish, equipment, or
the like.
inexpensive system of construction which will
The invention further consists in forming the
reduce the amounts of material and labor re
units so as to meet all structural requirements
quired for the erection of structures; to provide
without resort to specially fabricated connections.
a novel method for combining in one structural
unit the function of joists, bridging, and under 20 The invention further consists in the novel con
struction system which permits the framing of
?ooring; rafters, bridging and roof sheathing;
and studs, bridging, sheathing and ?nish; to pro
vide a novel construction unit which will permit
these units together in such a manner as to form
at once and in one operation, an enclosed struc
ture with continuous ?oor, wall and roof surfaces,
and partitions in one operation; to provide a 25 as well as supporting members, these continuous
surfaces being ready to receive the ?nish or, if
structural unit by which the maximum load may
preferred, to act themselves as ?nished surfaces
be carried by a simple method of construction at
for walls, ceilings and partitions.
the minimum expense; to provide a novel form of
Referring to the accompanying drawings:
interlocking joints for the connection of the main
Fig. 1 is a fragmentary perspective View illus
members of a structure; to provide a system of (it)
trating the relative positions of the structural
construction which will decrease the height re
members in assembled positions,
quired for the exterior walls of a building; to pro
Fig. 2 is an elevation partly in vertical section.
vide a novel construction unit vand a system of
Fig. 3 is a fragmentary transverse vertical sec
framing which will materially decrease the weight
of the structural elements; to provide a novel 5, tional view taken on line 3-3 of Fig. 2.
Fig. 4 is a fragmentary perspective view of the
construction unit and system of construction
end portion of a horizontal ?oor unit.
which may be erected and assembled by workmen
Fig. 5 is a cross-sectional View of the preferred
less skilled in the art than those usually em
form of the building unit.
ployed; to provide a novel construction unit and
system of construction whereby an extremely A
Fig. 6 is a modi?cation of the same, and
strong and rigid lightweight structure may be
Fig. '7 is a perspective view of a pair of the
speedily and cheaply erected without the need for
construction unit cleats,
highly skilled labor; to improve and simplify con
Like numerals of reference indicate the same
parts throughout the several ?gures, in which:
struction, decrease the time and labor required to
erect a building, decrease requirements for con
i indicates the building unit which may be of
struction material in construction and increase
any laminated sheet or other suitable material,
the e?iciency of the structure.
which as shown in Figs. 5 and 6 is of modi?ed U
A further object of the invention is to make
form having a ?at central web portion 2 and two
possible a novel system of construction whereby
depending side members 3 which terminate in
outwardly extending ?anges A parallel with the
several structural elements which heretofore have
had to be assembled in three or more operations—
central web portion 2. These side members 3
have their portions 5 which are immediately ad
as for example, ?oor joists, bridging and under
the framing and enclosing of ?oors, walls, roofs
?ooring in ?oor construction, rafters, bridging
and sheathing in roof construction, studding,
bridging and ?nish in partition construction, and '
jacent the central web 2, formed. at right angles
to the central Web 2 and the balance 6 of, the side
members converge toward each other to the point
where they merge into the outwardly extending
the two side members converging toward each
?anges 4 as shown in the drawings. It will be
other, a ?ange formed at the termination of
noted from Figs. 5 and 6 that the ?anges 4 of the
each side member and extending outwardly
units I do not extend laterally beyond the sur
therefrom so that the lateral edge of each ?ange
face of rectangular portions 5 of the side members
lies in the same plane as the outer surface of
3 so that when two of the units are assembled
the rectangular portion of each side member,
together in the same plane the rectangular. per-.
whereby the rectangular portions. of. the side
tions 5 and the side edgesof the ?anges 4 of two members and the» lateral .edges :of the. flanges
assembled units abut each other.
of two units will abut each other when the two
Referring now to Fig. 1, it will be seen that the r .10 units are assembled together, the end portions
vertical units I abut one another to form a con
of the horizontal ?oor units being adapted to
tinuous wall between ?oors, and there-is proenter \within the‘vertical wall units and shaped
vided on top of the assembled wait-units
.a :
to =conform~ to" the said converging side mem
?at horizontal member ‘I. On the under surface
bers thereof to lock the ends of the horizontal
of the horizontal member ‘I and: conforming\ 15 ?oor units within the interiors of the vertical
the internal shape of the wall units, is. a pair;
of cleats 8 for each unit which are fastened to
2. A system of building construction which
the horizontal member in any approved manneng. includes a piurality'of vertical wall units, a plu
as by nails 9, as shown in Fig. 3. By‘ means ‘of- "' rality of horizontal ?oor and ceiling units and
these cleats 8, the assembled wall units I are 20 a plurality of roof units, each of said units being
securely locked; against displacement.
of a modi?ed- U section, each-unit having a cen
Referring now to the : horizontal ?oor ‘units -~I,
tral ‘web portion and two side portions converg
it will be seen from Fig. 4 that their end portions
ing toward each other, a ?ange at the termina
ii)» are formedv with diverging side edges II ‘to
tion of each side portion and extending out
conform to ‘the interior formation of the‘ wall‘ 25 wardly'therefrom so‘that the lateral edge of one
units ‘ I’, as heretofore described, and asshown’in
?ange will abut against the lateral edgeof ran-e~
Figs; 5 and 6, so thatlwhen the end portions H]
other ‘?ange whentwo of the units are assembled
sor-formedyare inserted‘ into the interior of the
together, a horizontal member positioned on the
vertical wall units 5, and rest ?atly'on the hori
ends of the vertical Wall members, means on the
zontal member ‘I, "an interlocking joint is estab
lished- between the‘vertical units- and the hori
zontal ?oor units. » To e?ect the joint; the side
members- 3 of the floor units I are cut away, as
30 horizontal member for e?ecting an-vinterlock
shown: inT-Fig. 4, ‘to. formyvertical abutments' I2
ing engagement with each vertical wall unit, the
vertical wall units above said horizontal mem
her being adapted to rest on said horizontal‘
member, the end'portions of the horizontal ?oor
units being shaped to conform to the converging
on each floor unit I to abut against the horizontal
member 7. When the ?oor units I are assembled
in this’ manner, ‘a continuous ?oor- surface is
formed, as shown in Fig. 1.
side portions-of the vertical wall’ units resting .
sideimembers 3 of‘ each ‘unit are cutaway to’
said horizontal member. '‘
provide abutments I2 to abut against the hori
zontal member "I, and the end of each horizontal
3. "A system of building construction'which in-.
cludes a plurality'of vertical wall units‘, a vplue
on the said horizontal member, the said formed -
end portions being alsoladapted to rest on the‘
For the ceiling units under and supporting the
said horizontal‘mernber, and to form interlocking
roof members,‘ the‘ end portions of said units 40 engagement with the' vertical-Wall units, and to
are not formed with-diverging side edges, but the
provide an abutment for engagement with the‘
unit I, is formed upwardly to form an abutment ~; rality of horizontal ‘?oor. and‘ ceiling unitsand
iii-for the ends of the‘roof units I. These roof
a plurality of roof units, each of said'um'ts'being >
units 5 are assembled to'form a continuous outer
of a modi?ed U Isection, each unit ‘having a
surface and have their lower ends beveled at
central web portion and two side portions con
M to seat on the horizontal ceiling‘ units I and
verging toward ‘each' other, a flange at the ter
to engage the upstanding abutments‘l? of the
mination of each ‘side portion and extending
horizontal ceiling units;
It is apparent Jthatthe wall units! may be
sheathed -or< otherwise-processed or treated to
form-any?nish desired, while the floors, ceilings .
and roof may .be covered in-any suitable mane
ner:and with any’ suitable material, so asto
present any ?nish desired.
Having; thus described the-invention, I do not
wish to be understood as ;‘limiting myself to the
outwardly therefrom so that the lateral edge of
one ?ange of one unit will“ abut against the lat
eral edge of a ?ange of‘ an adjacent'uni-t when
two of the units are assembled together, a hori
zontal member located ‘on the topends of the -
vertical wall-units1adjacent the roof unitsg'said
horizontal member including means which venter
within thev ends of the wall units for cooperation
with the said converging side members of the
exact construction as shown and described, as I (50 wall units for retaining the'saidhorizontal mem-:
consider myself clearly entitled to all such
her in ?xed operative position, the endnportions >
changes and modi?cations as fall withinthe limit
of the horizontal ?oor and ceiling .runits ibeing ~
and scope of the-appendedclaims. :
I claim:
1. A system of building constructionwhich in- r;
cludesa plurality of vertical wall, horizontalv?oor
and. pitched roof units of modi?ed U section, each
unit having a central web portion and two'side'
members, the portion of each. side "member'di
shaped .so that :the central web 1 portions: thereof:
rest :upon the said. horizontalcmemher and; the;
converging side portionszthereof. form a vertical ;.
abutment for‘ the said " ho-rizontalzmember,i'fthe.'1’
said roof units having-their ends:beveled~:to::rest .
upon; the said horizontal member,: andanpabut
ment. formedon the end of the ?oor and ceilings;
rectly adjacent the central web ‘portion of the 7:) units for engagement with the :endsro-f 1the‘ roof. -.
unit being disposed at right angles to the cen
units; '
tral web-portion, the next adjacent portions of
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