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Патент USA US2404567

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July 23, 1946.
R. s. COLLEY
PARTITIONED INFLATABLE SUIT
Filed Aug. 20, 1942
2,404,567 -
2,404,567
Patented July 23, 1946
UNITED STATE 5 PATEN'T'TOEFICEY
25404567
PARTITIONED INFLATABLE SUIT .
Russell S‘; Colley, Kent, Ohidassignor to The B‘.
F. Goodrich Company, New York, N‘. Y.; a cor- -
porati‘o'n of New York
Application August. 20, 1942. Serial No.V4_'55,5"1‘1.‘
10 Claims. ‘ (o1.12s-144)
1
torso portion constructed in accordance with and
This invention relates to partitioned hollow
structures and especially to partitioned. in?atable
sui s.
embodying the invention.
* ‘
'
Fig. 2. is a View taken ‘along line 2-2 of
parts being in section and broken away.
Fig. 3 is a view taken along. line 3—7-‘3 of Fig. 2,
Fig. 4 is a view taken along line 4—.4_ of Fig. 2,
Fig. 5 is, a View taken along line 5—‘->5 of‘ Fig. 2,
broken lines indicating the‘ neck of the wearer,
.
Use of an in?atable suit equipped with a head
piece having a transparent wall portion or win
dow structure is affected adversely by fogging of
the window during ?ight in the region of the
stratosphere. This phenomenon results, from, the
factv that the air within. the in?atable suit con
Fig. 6 is a view like Fig. 5 but showing a‘moyde
tains any appreciable quantity. of water vapor 10
i?ed construction.
' '
'
which condenses and. usually also freezes upon.
In the embodiment of theinvention asj‘lillusi
the inner surface. of the transparent‘wall. portion
trated in the drawing, obscuration‘ of the vision
or window of the headpiece. The. resultant ob
of the wearer‘ of an inflatable suit'_ l0 including
scuration of the vision of the wearer isundesir
andv
able, and constitutes a de?nite hazard.
.
'
'
'
a headpiece II is prevented effectively and con
veniently'with a minimum of; discomfort. to the
wearer. As shownv in Fig. I, the headpiece jrl'l'
15
.
.
.Objects of the invention areto provide for di
viding one part of a hollow structure from, an
and a torso portion," of. the suit 10 are secured
other, while- providing for transmitting ?uid, or
to a ring structure l3‘ in a manner hereinafter
electrical energy, or both from one part. to an
other; and to. provide for admitting a member 20 described', and. a partition or diaphragm f4 is-sel-v
cured to the ring structure l3. Suitablecondui-ts
through an, opening in. a partition in substantially
and conductors in apertures in the diaphragm. l4
sealing relation.
-
‘
permit conducting ?uids, such as'air; and oxygen,
Further objects are to. provide means for‘ join;
ing a pair of hollow structures while substantial
1y isolating the space within each of the respec-.
and. electrical energy vfrom. the torso portion vlfZ
2.5 to the headpiece l l- A'check valve 15 is provided
,for maintaining the pressure within theqhead
tive structures, yet permitting the transmission
piece! I substantially equivalent. to the, pressure
with-in the torso portion I2, of the suit and isin
of ?uid from one structure to the other; to pro
vide means for separating the spaces while em
bracing an element therein‘ in'substantially‘seal
- the open position so long as such a pressure ‘con
ing relation; and to provide for simplicity of con-v
struction, ease of manufactu»re','and e?ectiveness
of
operation.
_
‘
l
>
'ditiOnpreyail's-L' Inthe, partition 14 an oiix'e_r_ii_t1g;l6v
30
having a reinforced margin I‘! permits admitting‘
the head oflhe wearer therethroughj .andwthe
partition is so constructed and arranged that the *
margin I1 is in substantially sealing relation with. -
.
Speci?c objects of my invention are to provide
for dividing an in?atable suit'into upper and low
35 the neck of the wearer. as shown in Figs. 1. 5. and,
er portions, while permitting the passage of ?uid,
6, as hereinafter more fully described.
The headpiece H is made, preferably although.
or electrical energy, or both from one portion to
the other; to provide for admitting a portion of
not necessarily, globularrin form. andmaybe
the body of the wearer through a diaphragm in
made of a suitable transparent plastic‘, such as a
substantially sealing relation and Without dis 40 methyl methacrylate resin. or glass material hav
ing the desired physical and optical properties.
comfort to the wearer; to provide, for ‘substan
As shown. in Figs... 3 and 4, the.» opening-‘in the
tially isolating the space within the torso portion
of the suit, from the. space within the headpiece,
while admitting. the. head of, the wearer into the
headpiece H- is bounded by an outwardlycurved
headpiece; and to. provide for preventing. fogging
a metal ring 19 while being in contact with alip
. sealingelement'z?r, and whichisheld in position‘
of the headpiece,
.
'
flange portion. l8, which is adapted tovse'at against’
These and other objects ‘and. advantagesof the
invention will be apparent from the following de
scription:
V
.
v
i
In the accompanying, drawing,v whichrforms a 50.
part of this speci?cation, and in. which like. nu
merals: are employed to designate. like Parts
throughoutthesarneb
.
l
.
‘ ..
v
I Fig. 1 is av-iew in perspective; of_ the upper. part.
of.v on in?atable suit.’ including, a: headpiece and.
by“ a clamping ring 21, thereby providing fora.
?uid-tight joint.
Preferably, the ring I9 is made‘of aluminurnor.
magnesium alloy for‘light. weight; and the lip.
sealing element 2!! is made of a suitable resilient
rubber-like or other material; and the clamping
ring .21 may be madeof stainless steel.
clamping ring is. divided and is radially extensible.
¢ and; oontractible within the con?nes of an ‘annu
2,404,567
3
,4
lar groove 22 in the metal ring l9. Ends 23 and
24 of the ring 2| as shown in'Fig. 2, are intercon
nectedby a toggle fastener 25, which is illustrated
in the released position for purposes of clarity,
it is also desirable to position a jet member'Sl
to one side of the central front, preferably to the
left, in order to direct intake air under pressure
adjacent the inner surface of the headpiece l i
in the region of approximately forward visual ob- '
the clamping ring 2 I, however, being shown in the
lockedcondition.
‘
The wall of the ‘torso portion l2; which: may, be *'
made of woven fabric impregnated or coated with
a suitable rubber-like or‘ other suitable impere
vious material, is attached to themetal ring IQ
in the manner shown in .Figs. 3 and 4. ,An an-,
.
the torso portion I2, as shown in Fig. 1. However,
l9.
servation.~
,
,
.7
,
M
_
.
,
Accordingly, a channel 52 in the ring?! 8, which
is covered by a suitable metal plate 53 secured‘
;t'o’the ring by screw'faste‘ner's ‘55, and which is
. inv communication with the conduit ?ll‘ and the
nular element 26, which is trapezoidal in- section” 'jet member 5|’, is provided for conducting air to
and which may be made of ya resilient rubber-like. ' ' thefjet, member 5].. 'The air ?owing out of an
material, preferably covered or otherwise suitablyj ' relongated-ori?ceixl of the jet member 5! flows in
reinforced as by fabric, is disposed in a similarly 15 :athin sheet ‘form over the surface of the head
shaped annular groove 27 in theouter faceof the
piece‘ in front ofthe face of the wearer thus pre~
ring I9.’ A divided clamping band 28, which may‘ ' venting moisture condensation upon said surface,
‘ ~ be made, for example, of steel strip stock and ' , the moisture being, primarily, that which is evap
'which'is equipped with apivotally mounted toggle
orated from the exposed portion of the face and,
fastener structure 29, is disposed adjacent the ana 20 secondarily, that which is contained in the intake ‘
nular element 26 and is in'c'as'ed i'na fabric sheath
30, which is securedto the exterior surface of the
To maintain the"=~z7ater vapor content of the air
torso wall l2 as 'byla‘ suitable adhesive, or by‘sew
within the headpiece l l at a minimum‘, vthe ex-‘
haled air containing,‘v an appreciable quantity of
When’ the toggle fastener structure 29 is in the 25 water vapor, or a considerable part of it, is con~
airf-
ing,>orrboth.u_
.
-
a
.
e
.
.
.
,
_
M
.
closedposition, ‘as shown in Fig. 2,,the clamping‘
ban‘d’28 presses thewall of the torso portion l2
ducted ‘from a mask 56 by the conduit 42 and
exhausted into the torso portion l2 below the
partitioning'diaphragm. [4 through a flap valve
against the annular element 26 and presses the
latter-inwardly into the groove 21. Also the band
28'm‘aintains the upper part of thewall l 2 in con
tact with av lip-sealing member 3| disposed and
secured in an undercut circumferential groove 32
51. The valve 51, is'closed during the inhaling
period and open during the exhaling period. Al
inthe'ringISL-J.
For separating the
" space
Y within the
e '.torso por
thereby eliminating the conduit 42,and flapvalve
tion [2 .from‘the space .within the headpiecev II.
the partition ‘or diaphragm l4 of stretchable rub},
ternately,.and under certain'conditions, it is fea_-,.
sibleand. may be desirable to have the oxygen
conduit 4| :serve alsopas the‘ exhaled airconduit -
as
51, in which case a suitable check valve 63'may be
provided in the conduit 4! ‘portion extending‘be»
» ber-like materialv or other suitable material is ’ low the partition M.
Then during the inhaling
interval of breathing, this check valve 63 is inv
attachedto and supported by the metal ring l9,
1
at thelower face thereof, as shown especially in‘v
thevclosed position; but during the exhaling in-~
terval it‘ is in theopen'position permitting the
major part-0f the exhaled airto escape into the.
‘ vFigsk3 and 4.» Preferably, the partition [.4 is a‘
thin rubberlsheet, circular in form, with a ‘plu
ralityf of spaced-apartaperturesin the rim por-v
torso portion l2 below the partition’ l4.
tion for admitting screw fasteners 35, andhas an
Such an alternative arrangement is permissi- '
openingll?v with a reinforced or beaded margin‘
ble, when the volumetric capacity of the conduit
ll,‘fwhi'ch is adaptedto?t snugly and conform to 45 4| is less than the maximum permissible volume
the neck contour, yet not tightly enough to cause
of exhaled air,‘ which may be mixed with oxygen
discomfort-to the wearer.. ‘A metal , band 33;
and rebreathed without ‘harmful physiological 1ef~
wedge-shaped‘ in, sectionpwhich‘registers with a
fects; and is practicable when suitable controls
similarlyfshaped recess'34' in the'ring, l9, retains . are provided. to'fregulateethe ?ow of oxygen ac-v
the partitionflll, under a slightly stressed oondi-E, so cording to'the demand of the wearer ofathe suit.
tion by a clamping action, when secured in place
: In the operation of the invention, the wearer,
by- screw fasteners. 35 extending through corre--,
clothed in suitable undergarments, dons the lower
sponding spaced-apart aperturesinthe band 33
,portion of the suit [0 including the torso por
and partition "l4 and, engaging with similarly,
tion [2. Then he positions the ring structure I3
spaced-apart threaded openings in the ring 19. 55 including the partition l4 adjacent the torso I2 7
It is to be understood that other means for at-"
by registering’his head with the opening IS in the
‘, taching?the partition M to the ring I 9‘ may be
partition. and pulling the/ring structure ‘down
utilized withoutdeparting from the scope of :the
wardly until the margin I‘! of the opening 16 is
' invention. ‘
in contact with his neck, the margin being slight
,, Referring
1, 2 and 3, a plurality of aper-~ 60 ly upwardly curved, as shown in Figs. 1. and 5.
tures in the partition I74, are provided at the inner
The stretchable material of the partition l4 per~ '
' face _of__ the metalring IQ for an air intake conduit,‘
mits- the margin I‘! of the opening [6 tov conform
40, an'oxygen conduit 4|, an exhaled air conduit
readily to thechanges in contour of the head and
42,,and, electrical conductor-‘s43, and 44" for a ‘V to embrace the neck in substantially sealing re
throatjmicr-ophone 45_ and ear-phones 46. Suit 65 lation without harmful constriction and 'discomé '
ablereinforcementk4,1 to 49 inclusivesuch as‘
fort to the wearer. The torso portion I 2 and the
rubber-coated fabric cemented in place,‘ may be
ring structure l3 are joined in the Way herein
provided rforemaintaining a substantially tight ?t
above described; and the clamping band 28v and
between the, respective conduits 40,1“ and 42 and‘ ,toggle ‘fastener structure 29v are placed in the
conductors 43and44 and the, partition l4; like
closed position, securely uniting the suit and the
wisega‘fabric, reinforcement 50 may be provided
ring in a ?uid-tight manner,
for’facilitating mounting the check'valve l5.’ ,
The lower ends or the air intake conduits!) '
' It‘ is desirable for convenience to extend the/air ' r and the oxygen conduit 41 are connected to suit
intake‘ " conduit '49 and the oxygen conduit 4! ' e, ‘
through the diaphragm l4 at'the central front of
ableconnectorstructures (not shown) ,- whichlare
through the wall of the torso- por-'
a interconnected‘
Matter
6
5
may be causedruponthe meek .of the wearer, ,es-1
pecia‘lly the :back part. ‘Under-such conditions,
tion with sourcesof supply orpressurizedair and
oxygen. The lower portion of‘ the conduit 42,.and
the ?ap valve 5:‘! are disposed "below the partition
I4 and, preferably, adjacent theback ofzthe wear
er. The microphone .45 and the earphones 46
a collar Blot sheepskin, for example, may bedis
posed ‘between the margin ill of ‘the. diaphragm
L4 =and~1theineck, as shown ‘in Eig. :6, the wool
fibres {of the sheepskin ‘being adjacent the skin
of ithe'wearer. This arrangement permits free
dom of ‘head movement, and gives an adequate
sealing between the ‘neck and ‘the margin l1, and
are connectedwby'pl-ug ‘members 58 and “teen
exterior communication hookup ‘(not shown‘). '
‘The wearer next dons 'the‘he‘lmet iG-? including
the earphones 46, and secures the microphone 45
in contact with his neck ‘by a suitable strap'and 10 provides vdesirable protectionag'ainst the drafts
fastener means. The upper ends of the oxygen
It will'be apparent-‘from the hereina'bove de
conduit 4| and the exhaled airconduit 42 above
scription that my invention ‘provides‘ior sub~ '
the partition l4 are connected tothemask 56, and
stantially con?ning and isolating ‘(the water vapor
then the mask is positioned over the nose and
from two principal ‘sources from the vspace ‘within
a mouth of the wearer, as shown in‘Fig. '1, by means
the ‘headpiece. vThese two sources are evapora
of straps 6| attached to the helmet '60. The con
tion of moisture from the torso and ‘limbs of the
duits 4| and 42 and the conductors 43 and 44
wearer, and ‘moisture contained in the exhaled
arein a slack condition to permit turning move
air. Then, too, the water vapor due to evapora
ment of the head of the wearer.
.
a iina‘l step, the-wearer places the headpiece 20 tion of moisture ‘from the exposed portions of the
head, and the water vapor contained in the in
over his head and positions it in contact with the
take air under pressuraWbothof which are-com
ring structure l3, as described previously. Then
parati-vel-y small in quantity, are removed ex
the toggle fastener 25 is placed in the ‘locked po
ped-itiously from the headpiece and discharged
sition, which causes the clamping ‘ring 2| to en
gage the ?ange [8 of the headpiece ‘I I, thus unit 25 into the ‘torso portion v‘below the partitioning dia
phragm. All of which, in combination with the
ing effectively the headpiece and the ring struc—
ofi-air.
'
‘
ture in a ?uid-tightmanner.
Oxygen is supplied to the wearer in ace Irdance 7
jet ‘action and air‘circulation'previously described,
prevent fogging of the headpiece in an e?ective
with his requirements as determined by the alti
manner.
tude of ?ight and his energy expenditure; and it 30
?ows upwardly in the conduit 4| to the mask 56
Variations may ‘be made without departing
fromthe scopeof the invention as it is defined
in the following claims:
‘
‘
’
during the inhaling period, the ?ap valve 51 being
r
I claim:
1
closed. Suitable valve means in the aforesaid
1. In an in?atable suit including a headpiece
connector structure ,for the conduit 41 functions
to shut o? the oxygen supply at the beginning 35 and. a torso portion, the combination of ‘a ring
structure uniting said headpiece and said torso
of the exhaling period, while the ?ap valve 51
portion,v a ?exible diaphragm supported by said
in the conduit 42 opens coincidentally to exhaust
ring
havinga plurality of spaced-apart ‘aper
a considerable part of the exhaled air into the , tures,and
one of which ‘has a margin adapted to em
torso portion l2 below the partition 14, any re
maining part being retained in the conduits 4| 40 brace the neck of thewearer in substantially seal
ing relation, a ?uid conduit inanot‘her of said
and 42, and being'wre-breathed subsequently. In
apertures, and jet means in still anotherof said
this way the exhaled air, which contains an ap
apertures adjacent said ring structurejfor' dis
preciable proportion of water vapor, is prevented
charging ?uid within said headpiece.
'
by the partition H from diffusing inte the-atmos
2. In an in?atablesuit including a ‘headpiece
phere within the headpiece ll; consequently one
and a torso portion, in combination, a ring struc
of the two major causes of fogging- is eliminated
ture uniting said‘h'eadpiece and said torso por
e?ectively,
' ,
tion, ‘a ?exible partition ‘of rubber-dike material
Air under pressure and, preferably, of, low rela
supported ‘by said ring structure and having a
tive humidity is admitted into the conduit. 40
plurality of spaced-apart apertures, oneof which
and ?ows upwardly therein through the .dia-i
(it)
has a margin adapted to embrace the‘ neck of
phraem l4 to the channel 52 in the ring I9, and
then ?ows to‘and out of ‘the jet member 5| into
the space in the headpiece l-l above the dia—
phragm. The elongated ori?ce 54 of the jet mem
ber 5l directs a wide, thin stream of air generally
in the vdirection along the wall of the-headpiece
the wearer in substantially sealing relation, a
fluid conduit in another of said apertures, jet
means in still another of said apertures for dis- "
charging ?uid within said headpiece, ‘pressure-re
sponsive means for exhausting ?uid from the
headpiece into the torso portion of the suit, and
an electrical conductor in still another of ‘said
in front of the face of the wearer, effectively pre
venting fogging at this portion of the headpiece.
After ?owing beyond the region of the face,
apertures.
(ii)
the air diffuses and circulates to a limited extent 4
within the headpiece ll, after which it is dis
charged therefrom through the check valve I5
into the space in the torso l2 below the dia
phragm l4. 'Moisture, which is evaporated from
the surface, of the exposedparts of the head, is
carried away by the incoming air andrapidly ex»
'
.
‘3.. In an inflatable suit including a ‘headpiece
and a torso portion, in combination, a ring struce
ture having an inner and an outer face, a ?exible
partition including rubber-like material secured
to said ring structure and having an aperture for
receiving the neck of the wearer in substantially
sealing relation therewith, means ' for securing
hausted through the check'valve l5 intothe torso
said torso portion to said ring structure at one
l2. Exhaled air and pressurized .airare exhaust—
ed from the lower portion l2 below the diaphragm
H by a suitable pressure responsive means “(not
shown) in the Wall of the suit. The air circula
tion plus rapid moisture disposal prevents fogging
of said races, and means ,for securing said. head—
piece to‘ said ring structure at the other said face
including meansi'or detachingthe said headpiece
while leaving fully intact the attaciunent oi said
of the remaining surface of'the headpiece.
Since the air circulates to a limited extent
within the headpiece, an objectionable cool draft
ture.
4. In ‘an in?atable suit including a headpiece
and a torso portion, in combination, a ring. struc
partition and said torso portion to said ring struc
2,404,156.7
8.
ture having an inner and annuter’ face,a ?exible
partition including ‘rubber-like material secured
to said ring structure and having an,apert-ure for
receiving‘ the neck of thewearer' in substantially
sealing-I relation therewith‘, ,mea'ns v‘for securing
:said headpiece to said ringstructure at said inner
‘face and for securing said torso portion-to said
ring. structure‘a't said outer-face, the securing
means including meansfor detaching'eachsaid
headpiece, and saidtorso portion-independently 10
ture, uniting‘ said‘ headpiecerand said torso "por- ''
tion, a ?exible partition supported by and secured
to said ring structure and having a plurality, of
spaced-apart apertures, one of said apertures
having a margin adapted tottembrace theineck
of the wearer in substantially sealing relation, an
intake ?uid conduit "of. substantially unrestricted
bore extending through-a second aperture and be
yond each side of said partition and adapted for
freely conducting ?uid therethrough ‘in either
or one, another from said ring structure while
direction with respect ‘to said partition,- an ex
leaving fully intact the attachmentrof said parti
haustv?uid conduit of substantially unrestricted
tion to said ring structure.
bore extending through andbey-ond a third aper
ture and adaptedrforcfreely- conducting ?uid in
"
'
In an in?atable;suit-‘including aiheadpiece '
and a torso portion, in combination, a ring struc 15 either direction with respect to said partition, said v
ture having an inner andan outer face, means
exhaust ?uid conduit terminating at one; end
for» independently and detachably engaging said
headpiece in a'?uid-tight, manner with saidring
structure at one of, said ‘faces, means for inde
thereof within said torso portion, valve means
atsaid end for exhausting ?uid from‘ said exhaust
conduit into the space within said torso portion,
pendently’ and detachably engaging said torso 20 and ’a breathing mask positionablev within said
portion in a ?uid-tight'manner with ‘said ring.
headpiece and ._ carried solely ‘by the, head 1of- the
structure at the other-oi-said faces, a partition
wearer and being in-communicationwith said
supported by and secured to-saidring'structure
for substantiallyisolating the‘ space within said
9. Inan in?atable suit including Via-headpiece '
headpiece from the space within said torso por 25 and a torso portion, in combination, a ring struc-i I
?uid conduits.
‘
e
-
'
ture-uniting said, headpiecevandrsaid torso por-,
tion and said partition having an opening therein -
tion, a‘ ?exible partition supported by said ring
structure and having'a plurality of spaced-apart
apertures, one of. said apertures havingia, margin 1
‘ which has a marginvvadapted to embrace, the neck
of the" wearer in- substantially sealing v relation,
the attachment of said partition to said ring
structure remaining fully intact during the inde 30 adaptedto embrace the neck of the jv'vearer in
pendent detachment of ,eachsaid headpiece and
substantially sealing relationand the other aper
torso portion from said ring'structure, and con
tures ,being'adjacent- said- ring structure ‘and po
duit means extending through‘ and beyond each
face of said partition and being adapted for per
sitioned within thejboun‘daries of a circumferen
mitting continuity‘of free ?ow in either direction
with respect to said partition;
»
'7 6. In an in?atable suit including a body portion
and aiheadpiece with a ‘transparent portion, in
combination, a ring structure uniting said body
portion and said headpiece, a diaphragm secured
to said ring structure and substantiallyisolating
said body portion from said headpiece, jet means
extending through an aperture in said diaphragm
tially exten'ding‘zone of relativelysmall extent as
35
4o
compared to that poflsaidr partition,_'a ?uid con-1
duit in onev of ‘said other apertures, jet means in
another of said other apertures for discharging
?uid withinsaid headpiecaandan electrical con,
ductorin still another of said 'rotherhapertures, '.
10.111 an in?atable suitincluding a‘ body pore
7.
V
.
.
,
V
7
tion and aheadpiecewith a transparent portion, '
in combination, a ‘ring structure having'an inner
and an outer face unitinggsaid body portion and
and including discharging means extending up‘
said diaphragm _ and having la circumferentially
extending depression insaid inner facev,'_rneans '7
wardly‘ relative to 1 said diaphragm; in _ spaced
apart, relation to said headpiece adjacent. said V45 disposed in‘ said depressionn'in said ‘inner face for
transparent portion for, discharging ?uid across
detachably engaging said headpiece with: said
said transparent‘portionyand exhaust means for
ringstructure at said inner face, means ‘for de
conducting?uid through said" diaphragm from
within-"said headpiece towsaid body portion and
tachably engaging said body portiori- with“ said
ring structure "at said outer ‘face, a ?exible dia;
phragm of rubber-likematerial supported by and
secured toisai‘d ring ‘structure and havingla plu
rality of spacedéapart apertures,‘ one of which has
a margin adapted toembrace theneck of the
7 including a ?uid conduit extending through and 50
beyond said diaphragm into said body-portion for
discharging ?uid into the space within said body
portion.
--
v
-.
1,,
v
7. Invan in?atable suit including a body por
tion and a headpiece with a transparent portion,
in combination, a ring structure uniting said body
portion and- said headpiece,-a diaphragm sup
ported by said ring’structure substantially isolat
ing' saidbody portion from’ said headpiece, jet
' wearer in' substantially'sealing' relation and the
55
other apertures being positioned within the boun
daries of a' circumferentiallyextending zone ad
jacent said ring structure, said zone‘being of
relatively small extent as compared to that of
said diaphragm, an intake ?uid conduit'in- one
means extending through an'aperture in said dia 60 of said other apertures, an exhaust ?uid" conduit
phragm and including discharging means extend
in a second said other‘aperture, jet means in' a
ing upwardly relative to said diaphragm in
third'said other aperture for discharging ‘?uid '
's'pacedéapart relation to and generally conform
within said headpiece, an electrical conductor in
ing‘lyalong the .wall of "said headpiece adjacent
a fourth said other aperture, pressure ‘responsive
said transparent portion for discharging ?uid in
65
‘substantially thin sheet form acrosslsaid trans
parentportionwithin said headpiece, and pres
sure‘ responsive means'for exhausting ?uid from
within ,said'headpiece .into said‘to‘r‘so portion; _
. 8. "In‘anin?atable suit including'a headpiece 70
and a torso'portion, in combination, a ring struc
meansfor‘exhausting‘?uid from the headpiece '
into ‘said ‘body, portion, ‘and a preathing'ima‘s‘k 'p'o-'
sitionable within said'headpieceand ‘carried sole‘
1y by'thefihead of ,the wearer'and' beingjin com
.mmlicstion with "said, ‘ intake. and semi exhaust
7, f?ilséEl-ii
COJLEY... '
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