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Патент USA US2121894

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June 28, 1938z
`
K. ToRJussEN
2122„¿594
SUBMARINE LIFEBQAT
Filed lax-ch 8, 195'!
.2 Sheets-Sheet >1
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June 28, 1938.
K, TORJUSSEÑ y J
2,121,894
SUBMARINE LIFEBOAT
Filed March 8, y1.93"?
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2 Sheets-Sheet 2
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2,121,894f2
Patented June 2.8,/ 1938 i
‘1U NITÈD STATES- PïAT Em a oFFlC ¿ ~ f*
sUßMAmNE.
2,121,894
LIFEBoA'r
_.
Kany Torjussen, BnooklymN- Y#
n 'y -.
' Application'March’SL1937,.SeriallN0. 12955737’
1Äc1aim.
<c1..114-->1.s).
' My inventionA relates toy lifeboats forv subma
rines and' meansifor Yreleasing*v same frorn'the
.
‘
a
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,
v
y
submarineV in submergedY condition as well> as
l Aplumb 28 indicates the verticalVV position of
means for propelling andi guiding said lifeboats.
‘An important object 'of lthis` invention. isV to
provide al construction. .of lifeboats- which may
the lifeboat while the instrument board' 29 car
ries'thenecessary gaugesY for water, ai'r and fuelv`
be`built- into thefd‘eck. ory hull of’` a submarine
and'lnormally carriedza'sfa'n integralpart of this
hull;
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"
,
further- object. isY to‘fprovide- means whereby
_
gears 24 whilethe sleeve I9 is rotatable by'wheelY
Iii-'through the’chain 25'and` sprockets 26 and- 21.'
pressures»,l etc., andl a seat 39 is providedl >for _theî
helmsman.
f Ateach end >of the-lifeboat theregis _a tank'.
containingcompressed air, _this tank is desig-"ï
natedv` by numeral 3I. ` A valve 32 and pip'ef33rg»
one-mayienter said` lifeboats from the interior4
ofî the» submarina-‘- and vmeans for closing y'said
connects to> the various «pneumaticafllïy ¿driven n
means. ‘A fuel' tank 34 is provided for carrying'
entrance.
combustible fuel.'
~
Another object gis lî'tol Y provide ' various means
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In 4Figuresl 1 and 2‘are shown the release andi
means consisting of hooks 35 mounted
16 for holding V'said lifeboats tothe submarine, and >`holding
rotatably on shafts 36 in a watertighthousing
pneumatic or hydraulically operated release
means, and similarly operated jacks for pushing
oil' from the submarine.
‘
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'
31.
The .hooks 35 normally fit into a recess 38
in the hull I2A of the submarine, but these hooks
A further object of the invention is‘to provide may be released by turning shaft 3B with lever
20 means for steering and propellingsaid lifeboats
Other objects and advantages;v
of the invention will be apparent during the
to the surface.
course
of
the
following
description.
'
'
‘
'
In the accompanying drawings, forming vpart
25 of Athis specification, andvin which Ylike numerals
are employed to designate like parts throughout
39 thus bringing the hooked part 35 into the
watertight housing or recess 3l out of engage
ment with the recess’38. Packing boxes 40 on
shaft :t6-prevent water from entering‘the, life- v
boat.
A locking vmechanism 4I is provided for
latching the lever 39 in its normallyclosed posi-V 25
tion while a flexible steel rope 42 over pulleys
.'43 connect to pneumatically driven- means for ¿ Y
the same,
`
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'
Figurer 1 is a partial section and elevation taken
releasing the lever V39 and hook 35 if stuck.
. 'A plurality of vertically mounted cylinders v44 .
: longitudinally through the lifeboat.
Y,
Figure 2 is a partial transverse section and , 'contain pistons >45 and _piston rods 46 and-41.
a
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Valve 48‘connectsthrough piping 49 to the com
`
'
pressed air tanks 3l and alsov to the outside of
Figure 3 is a broken away section taken lon
gitudinally through the manhole connecting the . hull I0. The piston rods 46 and 41 are guided
in bearings k5l) and packing boxes 5I, and a
submarine with the lifeboat.
Y
Y
locking pin 52 will fall into groove 35
35 In the drawings, wherein Yfor the purpose of spring-backed
'illustration is shown a preferred embodiment 53 when the piston is in its bottom position. A of my invention, the numeral I0 designates the similar cylinder 54 with piston and piston> rod
Voutside hull of the lifeboat resting in a recess II 55 is provided for pulling ropes 42 to release the
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in the deck orrhull I2 of a submarine. At'one l’ hooks 35.
A manhole -56 is provided for leaving> the life-Y
40 endof the lifeboat hull I0 there is a propeller
boat when in surface position.. while another
f I3 ’and a rudder I4. The propeller I3is con
nected ywith conventional compressed air Yorv fuel Y manhole connecting the lifeboat with the sub
‘end elevation along line 2_2 inFig. l.
Ij
_driven means not shown in_»the drawings. The . marine is shown in’section in Fig. 3. This man-_ Y
rudder I4 is rotatable in two -directions by being hole is shown in a closed position with the life
y
boat removed a slight distance from the sub 45
45 mounted on a sleeve I6 surrounding the propeller '
marine. The cover 5'! held by a plurality of
» (shaftV I'I 'and ,rotatably mounted‘on same, by .
bolts 58, 59‘and watertight by means of pack- Y
' ï turningwheel I5 the ruddergwillfthus make side’
wi'se motions. 'A Vwheel YI8 is provided for turn- ' ing 6D closes the lifeboat, while the cover 6I in
ing the sleeve lIii whereby the rudderk I4’may be a similar manner closes the submarine. The
horizontal position. A _second cover 6I is placed in a recess 62 in the hull I2
5o brought into a
of the submarine, this recess is suñiciently large
' sleeve I9 is concentric on the propellerrshaft I1
vbetween same and sleeve I6 and carries at one sothat both'covers maybe put on from one side. , '
YIn the' normal position the recess 62 is water
end the bevel gears 2Q and 2l . Gear 2I is mount
55
ed on pin 22 rotatably mounted in bracketlS. ‘ vtightly closed by the ring 63 and packing 64. 'l Y . v
Means are provided for flooding the vrecess 62 55'
The sleeve I6 isv driven by wheel I8 through the
2..
2,121,894
after the covers have been closed thus removing
the static pressure due to- the outside water.
T-slot bolts 65 ñtting in slots 66 serve to keep
the recess 62 tightly closed in normal position.
45 and Apiston rods 46 and 41. These may also be
operated either by air pressure or by hydraulic
pressure as described supra, and by thus forcing
the rod 41 down against the submarine the life
The operation of my invention is as follows: In
actual practice I prefer to provide one or more
boat is pushed oif from same. 'I‘he rod 41 is loose
lifeboats at each end of a submarine. This is
due to the consideration that if a submarine is
damaged at one end and sunk the crew may
10 escape through the other end. These lifeboats
are placed in recesses in the hull or deck of the
and will fall off as soon as the rod 46 has pene
trated the packing box 5| and will thus create
no objectionable projections. The helmsman sit
ting in seat 30 can now by means of wheels- I5
and i8 steer the lifeboat both up and down and 10
'sidewise as described supra. ‘
'
submarine and normally held in position by
strong hooks locked in position by latch 4 I. Upon
It is to be understood that the form of my in
vention, herewith shown and described,'is to be
entering the lifeboat the crew will first close the
taken as a preferred example Vof the same, and
manhole of the submarine in recess 62 with cover
6|. Y Next the cover 51 is put on, closing up the
that various changes in shape, size _and ar 15
rangement of parts may be resorted to, without
lifeboat, whereupon the recess 62 is flooded by
letting in the seawater through a valve. The
departing from the spirit of my invention, or the
scope of the subjoined claim.
static pressure on the manhole is thus removedV
Having thus described my invention, I claim:
and the bolts S5 are loosened and removed from
slots 65. At this point the latches 4l may be re
moved and the hooks 35 released by the upward
motion'of lever 39. If necessary this lever 39
`may be pulled by rope 42 strung over- pulley 4S
25 and connected to the piston rod 55. This device
54 may be driven either by air pressure from one
of the air tanks or by using the static pressure
of the surrounding water. In the latter case the
device 54 will operate as a hydraulic jack. After
30 having disengaged the several hooks 35 the life
boat is free from Vthe submarine, however, it may
be stuck to same due to forces of various kind.
To overcome these forces there are provided
a plurality of vertical cylinders 44 with pistons
In a submarine boat including a hull> formed 20
to provide a recess adjacent the stern, a pro
peller and shaft therefor adapted to be positioned
in said recess,V a sleeve rotatably mounted on and
concentric with said propeller shaft, Va rudder
embracing said propeller, pivotally mounted on
said sleeve in the plane of `said propeller 'shaft
for rotation about said propeller shaft as an
axis, a second sleeve concentric with said ñrst
sleeve, gear means interconnecting said rudder
and said second sleeve whereby said rudder may
be pivoted on said pivotal mounting, hand wheels
located in said boat and operably connected toeach of said sleeves. i
Y
Y
KARL
TORJUSSEN.
25,
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