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Патент USA US2110325

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March 8, 1938._
Filed Feb. 2, 1957
4 Sheets-Sheet l
A tiorneys
March 8, 19386
Filed Feb. 2, 1937
4 Sheets-Sheet‘ 2
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Patented Mar. 8, 1938
Joseph G. De Faria, Mans?eld, Mass.
Application February 2, 1937, Serial No. 123,710
2 Claims.
This invention appertains to new and useful
improvements in airdromes and more particular
ly to an underground airdrome.
The principal object of the present invention is
to provide an airdrome built in the main under
ground so that aircraft can quickly and conven
iently drive into the same.
Another important object of the invention is to
provide an airdrome which will eliminate the
10 hazardous presence of hangars and other auxil
iary buildings at airports, by having all housed
facilities located underground.
Still another important object of the invention
is to provide an airdrome which will lessen the
15 requirement for large landing ?elds by providing
means whereby the aircraft is retarded and
caught in ?ight and conveyed to the inside of the
airdrome where the plane, passengers and ship
merits can get off regardless of weather con
20 ditions.
These and various other important objects and
advantages of the invention will become apparent
to the reader of the following speci?cation.
In the drawings:—
Figure 1 represents a fragmentary top plan
view of the airdrome.
Figure 2 is a fragmentary longitudinal sectional
view taken substantially on the line 2—2 of Fig-y
ure 1.
Figure 3 is a fragmentary vertical sectional
view taken substantially on the line 3—3 of Fig
ure 2.
Figure 4 is a fragmentary horizontal sectional
View taken substantially on the line 4—4 of Fig
ure 2.
Figure 5 is an enlarged fragmentary vertical
sectional view taken substantially on the line
5—5 of Figure 2.
Figure 6 is a fragmentary side elevational view
#10 of the upper end of the plane catching conveyor.
Figure 7 is a top plan View of the upper por
tion of the plane catching conveyor, shown part
ly in section.
Referring to the drawings wherein like nu
merals designate like parts, it can be seen that
numeral 5 represents the air?eld, preferably of
concrete reinforced construction under which are
the compartments 6 forming the various quarters
of the airdrome. This ?eld 5 is provided with a
circular opening 1 therein for receiving the rotary
, assembly 8 which is rotated by machine or con
venient manual means, whereby the inlet end 9 of
the elongated hood H] can be set in accordance
with the wind direction.
A wind tunnel II is provided on the inside of
(Cl. 244—114)
the hood [0, the same having the mesh covered
air inlet l2 and the grilled air outlet l3. Mount
ed within this tunnel II is the motor “I driving
the propeller l5 directing air toward the air»
craft inlet 9. Numeral l6 represents the base of
the rotor 8 from which rises the ramp IT to
terminate flush with the ?eld 5 and also the ramp
i8 rising from the base l6 to terminate ?ush with
the ?eld 5. The upper ends of these ramps
l1—-I8 are secured to the top IQ of the rotary as
sembly 8 and from the peripheral portion of this
top !9 roller mounts 20 depend with their rollers
thereof riding in the annular trackway 2| which
is supported by suitable brackets 23. Thus, the
rotary assembly 8 is rotatably supported and 15
planes can leave the ?eld and enter the airdrome
by way of the ramp H, or leave the airdrome
through the ?eld by way of the ramp l8.
Mounted within the lower portion of the rotary
assembly 8 is the sprocket wheel 24 and within
the top portion of the dome entrance 9 is mount
ed a second sprocket wheel 25. Over these
sprocket wheels 24-45 is trained the endless
sprocket chain 26 which is equipped with a pair
of swingable eye members 21—28 at equal distant
positions on the chain, so that when an aircraft
29 equipped with the necessary hook 30 ap
proaches the entrance 9 of the hood I 0 and is
slowed down by the draft of air from the propeller
l5 and engages the hook 30 into the eye member 30
28, the weight of the aircraft will carry the same
down to the base iii of the rotary assembly 8 and
while the plane is thus lowering itself to the base
it, the eye member 21 has been carried upwardly
to replace the eye member 28.
In this manner
there is always an eye member 21 or 28 located
at the entrance 9 of the hood It]. A search light
3! can be positioned in the entrance 9 for illumi
nating the adjacent eye member 21 or 28.
While the foregoing speci?cation sets forth the 40
invention in speci?c terms, it is to be understood
that numerous changes in the shape, size and
materials may be resorted to without departing
from the spirit and scope of the invention as
claimed hereinafter.
Having described the invention what is claimed
as new is:
1. An airdrome comprising an air?eld having
a depression therein, a rotary assembly mounted
in the depression and having a hood-like struc- 50
ture rising therefrom, said hood-like structure
being provided with an aircraft entrance, and
means carried by the assembly for lowering an
aircraft from the said entrance to the bottom of
the said rotary assembly, said means for lowering 55
an aircraft into the rotary assembly consisting
of an inclinedly disposed endless element having
eye members thereon under which aircrafts can
2. In combination, an aircraft having a hook
thereon, a subterranean airdrome, an inclinedly
disposed endless element having eye members
thereon and extending downwardly into the said
airdrome, the hook of the aircraft being adapt
ed for engagement with an eye of the endless
element and pneumatic means for retarding the
movement of the aircraft when engaged on‘said 5
endless element.
(A "
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