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Патент USA US2115615

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April 26, 1938.
Filed June 17, 1936
3 Sheets-Sheet l
Apr-i126, 1938.
Filed June 1'7, 1936
5 Sheets-Sheet Q2 -
Hlm/g- H. BRUN/vm
" SLW@
Aprilze, 1938.
Filed Junel 17, 193e
s sheets-sheet 3
[iq/QL H. ERL/NNE@
Patented Apr. 26, 193s
Karl H. Brunner, Bogota, Colombia
Application June 17, 1936, Serial No. 85,805
1_2 Claims.
(Cl. 20-1)
The present invention relates to improvements
in prefabricated cubic units for small houses
and has for an object to accomplish prefabrica-
tion block assembly employed in the structure
of Figures 1 and 2,
tion of a house to such an extent that the com-
step in the process of building up the house
5 pletion of the house requires only the building
of a foundation, assembly of the units and mak-
-Figure 5 is a perspective view showing the ñrst
shown in Figures 1 and 2 from the units.
, Figure 6 is a fragmentary detail of the hinged
o ing the usual connections with gas, water etc. l
Another object is to provide building units
roof structure of one of the units shown in Fig
ures 1 and 2,
which are readily transportable and easily and
~ Figure 'I is a fragmentary detail of the man
10 cheaplyassembled and disassembled. t
ner of Joining the hinged roof sections of two 10
A further object is the provision of building such units as shown in Figures-5 and 6,
units which may be assembled without the usel
Figure 8 is an enlarged fragmentary detail of
of cranes and the like.
the peak joint of the roof shown in Figure "l,
Another object is the possibility of enlarging
Figure 9 is a detail view of the insulating joint
15. a completed house by the addition of vfurther
units; or modification of the existing plan of
a set of assembled units.
employedinconnecting walls of the several units, 15
showing the parts disjoined,
Figure l0 is a detail view of- the parts of Fig
Another object is to allow the building of a
prefabricated house which has lhitherto unat20 tainable architectural beauty.
Further objects include building the units to
conform with the gauge of railroads to facilitate
rail transportation of the units over` long distances; reducing the cost of housing by'increas25 ing the amount of factory work and decreasing
the >amount of work at the building site; the
possibility of assembling the units in any kind
of weather; the use of a roof structure which
reduces the height of the unit While it is being
Í 30 transported; assembling the units with an insulating joint between abutting walls; eliminating in large measure overlap of walls which resuits in great waste of material and is not neces-
sary; the possibility of placing a readily trans35 portable house on a rented lot which> is of par..
ticular value .in communities where land is of
very high price; and providing a. house with
the above features with distributing characteristics similar to those of other factory built prod40 uctsl Suchv as automobiles.
Figure 11 is a detail view of a modified dove
tail joint with parts disjoined,
Figure 12 is a detail view of the parts of Fig
ure 11 joined and showing the dove-tail filled
with a sealing substance,
Figure 13 is a floor plan of_a modified house
structure incorporating additional building units, 25
Figure 14 is a roof plan of a further modifica
tion incorporating still more building units.
Referring nOW t0 the drawings und Particu
lurly 110`F1gure 1, the hOuSe here Shown is com- 30
DOSed 0f W10 L-Shaped units 20, „2l and a rec
tangular unit 22- The l--,sheped units are placed
with their longer Sides abutting While the rec
tangular unit 22 is placed against the Shorter
sides thereof.
AS Will be Seen by reference t0 Figure 5 the
L-Shaped unit 20 is a completely prefabricated
building unit. The framework may be either
Steel 01‘ WOOd and the Walls of any suitable ma
AS the units are built at the factory they 40
With the foregoing and other Objects in View'
are complete with _iloors, windows, doors etc.
the invention will be more- fully described here-
The walls of the umts are dlsposed as Show@ in
inafter.` and will be more particularly pointed
Figures 2 gud? to prevent needless ovçrlappmg
i in the claims appended hereta
In the drawings’ wherein like symbols refer
to like or corresponding parts throughout the
m viewwith
the wall
23 of24the
20 ends
so as this
to register
the wall
of unit
the unit'I
22. 45
The inner wall 25 of the unit 20 ends against
the side of the inner Wan 25' of the ,mit „_
several Views"
There is then no overlapping or waste of wall
Figure 1 is a perspective view of one form of
50 hou.“ assempled from three of the bundiïlg umts»
Fleur? 2 1S e Section teken 0n the-11H8 2--2
ure 9 with the Joint made,
Structure and the abutting Walls may be se_
cured together by any desirable form of boit or 50
the like.
Likewise, the outer wan 21 of the unit -
0f tile Figure 1,
Figure 3 is a diagrammatic view 0f the units
2| abuts the end' wall 28 of the unit 22. The
inner wan 2s of the una 2| is provided with just
used 1n Figure 2 Showing them disassembled,
Figure 4 is a perspective view of the founda-
suñlcient length to complete the end of a room
30 and to hold a door 3l opening into said room. 55
A post 28' supports open corner oi' the unit 2|.
At the joints between these
a sealing Joint which consists in corresponding
grooves in the abutting walls between which is
placed `ttsealing member. Figures 9 and 10 show
centers the- unit above the foundation blocks
shown in Figure 10 thus making a perfect in~
unit 28. The insulating joints will be completed
the Joint so made between the wall 28 of the` when a series of Jacks or the like are placed be- ls
unit 22 and the end of the wall 21 of the unit 2|. neath the’overhtnging edges of the unit to raise '
Corresponding vertical grooves 22 and 82 are the same and permit the truck to be moved out
iet into the abutting edges of the respective walls. of the way, after which the jacks are lowered and
the unit settled on the foundation Vblocks 52'.
10 A compressible block 24, of rubber or the like,
is ntted into these grooves. When the Joint is
tightened in `assembling the unita the block I4 way on the truck into the passageway 55 and
is crushed to i111 the two grooves completely as
sulating Joint between the walls 21 and 28. B_im
ilar Joints are 'provided at each of. the connect
ing Joints of the house.
unit 22 is then driven 15
in the remaining passageway 56 and placed on
against the short s'ides‘
Referring now to Figure 6, the unit 22 is' shown
and the same .insulatingv
with its roof in carrying position. 'I‘he roof
and roof joints completed. 'I'he spaces between
structure consists in the transverse brace 85 be
tween outer wall 86 and the inner wall 28 of the foundation blocks 52' may be iilled in or as 20
the unit, the vertical support 21 which rests on shown in Figure 1 a base board 51 may be placed
completely around the bottom of the assembled
the transverse brace 25 and the longitudinal rib` units.
I8 which extends the length of the unit and is
supported by the vertical members 31. A nxed internal walls and that the units are built with .
roof side '38 is held between the block 48 of the
wall 86 and the longitudinal rib 88 by a series
of braces 4| which are secured at their opposite
ends to the block 40 and the rib 88. The upper
30 end of the' brace 4I is provided with pivot 42
for a second roof section 42. This section 48 of this provided with a door 58 which in 30
rests on the braces 44 which are pivoted at 42 this assembly forms .the entrance door of the
The hall 58 then serves
with the iixed braces 4|. The outer end of the
movable roof section43 is reinforced by means
of an angle bar 45 which in the folded lposition
shown in Figure 6 rests on'the top of the inner which in this case
wall 26 of the unit. 'The roof sections have at
their pivot point a joint which consists in the of the unit 2|. In Figure 13 there is added to
cut away section 46 of the fixed roof and the the house the two additional rectangular sec
tions 65 and 66. The entrance to the house is
corresponding overlapping section 41 of the mov
provided for through the hall 61 in the'unit 65.
able roof. As shown in Figure 7, when this _mov
able roof section 43 is raised an overlapping Joint The former entrance hall 58 now being only an
It will, however, be seen that
is formed above the pivot. It will also be seen
that a substantial portion of the height of the the addition of the unit 65 and 65 may be accom
45 building unit is removed by-folding down this
movable" roof section. This is highly convenient
in transporting the units to the building site.
When the units are placed in position for an
assembly the movable roof sections of the abut
ting units are raised. When the wall joints are
completed these roof sections will rest against
one another and will be “prevented by their length
from returning to the folded position. As shown
in Figures 7 and 8 the angle bars 45 and 48 come
may readily be varied as to the number. size and
arrangement of the rooms contained.
In order to renderthe addition of further units
simple, each
55 together and may be anchored in this position
if desired. In addition to this the edges of the
roof sections are bevelled and their upper sur
faces provided with the corresponding angular
locking strips 49 and 50. Over these locking
strips when the units are fastened together is
placed a peak cap 5i which eifectively seals the
peak joint of the roof. The twor abutting sec
tions now provide an A roof. When the movable
sections of the roof are raised there will be left
in forming a joint with a new unit.
With reference to this problem of the sealing 60
joint a modiñed form `of joint is shown in Fig
65 between the two units a diamond shaped space
which, is filled in by a similar shaped insert 52
which completes the walls of the units. This
structure of roof is best carried out by the em
ployment of sheet metal as a roof covering.
When a definite house plan has been- adopted
and the units obtained a series of foundation
blocks 52’ are »erected or built on the site, as
shown in Figure 4. 'I'he arrangement of these
blocks 52’ is such that there will be provided
between the blocks passageways into which a
or‘the like'
which completely seals the joint. In case of
disassemblyof the units the plaster may be
sawed very readily to break the joint.
Another feature contemplated by the present
invention> relates to the disposition of all rooms
required to bee- connected to water, gas, drains -
and the like within a single one of these building 7
units.' In the-house` structure shown in Figure -2 '
1. `A composite building structure, comprising
a warm air system in which ducts from the room
units having wall openings for register with adja
the unit 22 carries all such rooms. For instance, -independent building units each having a fixed
the 'room 6l may be a bath room, lB2 a kitchen and a movable roof section, _and means for secur
and 15 a furnace room. It will then only be ing lthe movable roof sections of adjacent building
necessary to make a single connection with the 'units together „to provide s.- composite roof for
drain,- a single water connection and a single gas the composite building structure.
connection. The internal .piping and connections " 2. A compositeífbuilding structure, comprising
may all be completed at the factory before ship-` independent building units v'each having a fixed
ping units. Of course it will be seen that the wall andan adjustable roof section, means for secur
is common to some of the rooms in the other ing the adjustable roof sections of adjoining 10
building units together into a composite roof for
units and so, if desired, water and other con
nections may be carried into the other units to> the composite building structure, and means vfor be supplied through the unit 22. The. furnace sealing the adjoint portions of the building units
rooml 'i5 is located in the unit 22 which may be together "into a composite building structure.
3. A composite building structure, comprising
designated as the service unit. VThe heat pro
plurality of independently complete building.
vided is preferably, for the small house shown,
'l5 may carry'the warmed air into the other units.
The room 15 has built into it the flue 16 and
20 after the roof is attached to the neighboring unit
the chimney 11 is placed in position and con
nected with the flue.
cent units in the composite structure and each
having a complete roof with an adjustable por
tion for relative adjustment with the adjustable 20
roof portions of adjacent units to provide a com
posite roof for the composite building structure.
4. A composite building structure, comprising
The above described structure then carries out ‘
all of the objects stated. All of the Work on the independent building units each having an A roof
units may be completed at s'ome central factory ` with one side section thereof hinged at .the peak
where modern assembly methods will serve to relatively to the other side section to swing into
reduce to a minimum the cost of building. At substantially the plane thereof, and means for
this factory the units will be completely finished securing the free edges of the hinged roof sec
tions of adjacent units to provide a common roof
as to floors, doors, windows, and fixtures. It is for the composite building structure.
30 only necessary then to set the foundation blocks
52 in the positions suited to the layout of the
units, set units thereon, make the joints between
them, and complete outside connections.- It will
readily be seen that all this may be accomplished435 within a few hours.
The units are made of such width that they '
may be carried on standard rail and truck equip
ment making for ease and quickness in delivery.
Also in line with facilitating transportation of
40 the units overall height is considerably dimin
5. A composite building structure, comprising
independent building units each having an A _roof
with one side section thereof hinged _at the peakv
relatively to the other side section to swing into
substantially the plane thereof, ~corresponding 35
locking members at the outer edges of said hinged
sections to secure together the hinged sections of
adjacent units in the raised position.
6. A composite building structure, comprising
independent building units each having an A roof 40
with one side section thereof hinged at the peak
relatively to the other side section to swing into
ished by forming the roof in two hinged sections.
Previous prefabricated houses have had to be substantially the plane thereof, corresponding
of unconventional design and therefore lack a`
very important element of appeal to prospective locking ñanges on the upper surfaces of the outer
edges, of the hinged sections abutting when the 45
45 purchasers. The houses from the above described hinged sections of adjacent units are raised into
units have slanted roofs, and are not mere boxes
the plane of the other section, and a cap ñtting
but have graceful lines and readily adapt them
selves to many interesting modifications in design. over- said ilangeslocking the hinged sections to- .
Such building units as these may readily 'be gether and sealing the joint therebetween.
7. A composite building structure, comprising
50 exhibited and sold and various types kept in stock independent building units each having an A
in every city, so that once it is decided to change
the house structure, by enlarging or modifying, roof with one side thereof hinged at the peak
this change may be made in a very short time. relatively to the other side section to swing sub
It is also quite feasible when it is desired to move stantially into the plane thereof, the upper sur
face of one of said sides being cut back from the 55
55 from one location to_ another to dismantle the peakfora distance, and the upper surface of said
, house and carry it to the new site. This feature
is also of a great deal of importance in localities other side extending over the peak for a distance
Where land is very expensive, as the house may corresponding to said cut back to provide an over
be placed upon a rented lot-and moved from one lapping joint at the hinge between said sides
when the sides are swung into a common plane.
lot to another when necessary.
Of course, if desirable, the units may be _ar- '
ranged end to end instead of abutting sideways
and in such a case the small A roof over each unit
would be the permanent roof.
The two sides of «
65 the A in such a case may both be hinged at the
sides of the unit to fold over one another for
\ purposes of transportation. '
It is obvious that various changes and modifi
cations 'may be made in .the details of construc
70 tion and `design of the above specifically described
embodiment of this invention without departing
- from the `spirit thereof, such changesand modi
ñcations being restricted only by the scope of the
following claims.
75 What is claimed is:
B. A composite house structure comprising a
number of complete building units, each~ unit
having a complete A roof one section_of which
is hinged at the’peak to form with an adjacent
unit of similar structure a larger A` roof over the
two units.
9. A pair of -prefabricated building units com
prising each, a floor, corresponding wall struc
tures to provide inner and outer walls, and a
slanting roof structure for each unit adapted to 70
join and form an A roof over the two units and
each of said roof structures being in two sections
hinged 4together vtransversely to fold down and
reduce the height of the unit for shipping.
10. A pair of building units comprising two 75
l -
separateìstructures each having walls and a roof,
the walls being complementary to form a larger respective fixed roof sections, and the upper outer
single structure when the units are brought to ` edges of said movable rooi' sections abutting to
gether, said roofs being secured at an angle other complete an A-rooi' over the two adjacent units.
12. A composite structure comprising one unit
than a right angle to said walls and adapted
when the units are brought together to abut at having side walls with flat top edges and end 5
their upper edges to form an A-rooi.' over the walls with top edges tapering upwardly to a center
two units, said roofs being hinged longitudinally higher than the side walls; a fixed roof section
of the unit to allow the upper side of the roof.
10 to be folded down to reduce the overall height of
the unit for shipping.
11. A composite structure comprising one unit
having side walls with fiat top edges and end
walls with top edges tapering upwardly to a
15 center higher than the side walls, a ñxed roof
section secured to one side wall and one side of
the tapering top edges of the end walls, a mov
able roof section hingedly secured to the upper
edge of said ilxed roof. section, and a second unit
20 having like side and end walls and fixed and
movable roof sections, said units being `placed
with the movable roof sections adjacent one an
other and said roof sections being swung up
roof section hingedly secured to the upper edge
o1'. said fixed roof section, a second unit having 10
like -side and end walls and fixed and movable
roof sections, said units being placed with the
movable rooi' sections adjacent one another and
said roof sections being swung upwardly on their
hinges into the planes of their respective ñxed 15
rooi' sections, and the upper outer edges oi’ said
movable roof sections abutting to complete an
A-rcof over the two adjacent units,'and a dia
mond shaped insert iilling the space at each end
of the structure betweenthe raised movable roof 20
sections and the end Walls oi' the units.
wardly on their hinges into the planes of their
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