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Патент USA US2409355

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"Oct. 15, 1946.
A. M. GRUNWELL
' 2 ,409,354
GAS MASK CARRIER POCKET ATTACHMENT FOR FI'REMEN’S COATS
Filed Feb. 10, 1945
'
2 Sheds-Sheet 1
INVENTOR.
.Gr
upvoeu.
Oct. 15, 1946.
A. M.
GRUNWELL
2,409,354
\ G'AS IIASK CARRIER POCKET ATTACHMENT FOR FIREMEN’S COATS‘ ‘
Filed F‘eb. 10, 1945
2 Sheets-Sheet 2 ’
a
L9
INVENTOR.
Patented Oct. 15, 1946
i.
2,409,354
UNITED STATES PATENT ' OFFICE a}
1'
2,409,354 a
GAS MASK CARRIER POCKET ATTACHDIENT
FOR FIREMEN’S COATS‘ ‘
Alfred M. .Grunwell, WashingtomDe-C.
Application February 10, 194'5,'Serial'No. 5775319
"'7 Claims. (01. 128-444)
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The ‘:present invention relates ‘to ‘ improvements
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in garments and has ‘reference more particularly
to‘a pocket attachment .to ‘a ?reman’s “turn-out
,coat” v‘for housing ‘a gasimask and .its associated
‘Another and important object is to provide ‘:s
gas mask carrieripocket attachment that can "be
either sewed onto the :?rer‘n‘an’s “turn-out-coat”
or :formed asia separate unitt‘that can-bereadily
air gpurifrying ‘canister.
I
an'dieasily attached ‘to ‘or removed from ‘the‘coat,
ciated'air purifying canisters nowgenerally used
‘Other’ objects and advantages will ‘become
apparent from the ‘following ‘description when
taken inconnect-i'on with the accompanying draw»
"
At the present time the gas masks and ,asso
,by?remenia‘re normally stored. inasuitable con- ‘
tamer-provided therefor on‘the ?re‘apparatus.
ings.
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In the drawings ‘forming-a part'of thespeci?cw
it has been found from experience upon reach 10
tionand in whic'h‘like reference characters ‘desig-é
ing the scene ,of a ?re, .that'in order to gain access
nate corresponding ‘parts throughout fthe several
to the gas or smoke ‘filled area with safetyand.
protection drom thesmoke'and noxious gases, the
views:
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Figure 1 is a ‘front elevation ‘of 1a‘ I?reman’s
?reman must. return to the?re apparatus which
is usually located a ‘considerable distance‘ from 15 “turn-out-coat” showing the gas mask ‘carrier
the ‘scene of the ?rean‘d ‘obtain one of the gas ‘
pocket attached thereon;
maskiunits and‘upon donning‘the gas‘ mask and
its supporting harness, he then returns to the
‘
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Figure 2 is a rear elevation; ‘
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Figure 3 is an enlarged fragmentary ‘lv‘iewiof
point where thegastmas'k is needed so that vhe can
the carrier pocket showing the manner in which
enter the smoke or gas ?lled‘ area without inhaling 20 the air purifying canister ‘is supported in the
any 'iOf ‘the injurious gases. " 'Bhis loss of (time
Figureli'is a sectional view taken approximately‘
vaylfrequently results in ‘the‘loss of life in-ienabl
on the line 11-14 of Figure‘B looking in the‘ direc
ing entrapped 'victims'to be rescued.
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pocket;
It'isgth‘erefore, the primary object ,oi‘my‘inven
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tionc‘f the arrows andshowing fthel'canister sup-_
.tion to'iprovide means on the‘ “turn-outrcoat”
usually worn by a?rema‘n'i‘for housing the gas
porting means in top plan;
¥
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"Figure 51is' a verticahsectional view ‘taken
approximately on the ‘line "5-45 *df Figure 3, look“
mask and .its ‘associated air purifying icanister
so that the gas mask will at :all times he ‘quickly
andv readily accessible to the‘wearer, thereby sav
ing :considerable't‘ime in enabling a ?reman to
apply‘the gas mask and enter the smoke orv 'gas
?lledarea whenever the occasion necessitates the
Figure 6 is an elevational view of {the pocket
looking from the open rear side ‘thereof;v
Figure '7 is ‘a detail perspective view of a modi
?cation of the carrier pocket wherein the same
use-ofa gas mask
comprises a‘separate unit adapted for detach~
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ing in ‘the direction‘of‘the arrows?
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Another objective-f importance of-the/present
able connection with the coat;>“
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‘ Figure ‘-8 is“ a ‘vertical sectional view "showing
' the manner in which ‘the separate carrier'pocket
invention resides in ‘the provision‘ of a gas; mask
carrier pocket attachment ‘for ?remen’s-"Y‘turn
out-coats” that will obviate the necessity of having
is attached 'to’the coat; ‘and
H
Figure‘ 9 is ‘a "detail perspective ‘View of ‘one
‘t'ol‘emp‘loy the usual supporting harness for the
type of canister ‘supporting’ member.
gas :mask when the latter is in‘use, means being
provided in the carrier pocket "attachment for
1‘
In the drawings,"the ‘numeral 1 designates ‘a
supporting the air‘ purifying canister in a-?x‘ecl,
conventional ?reman’s “turn-out—coat;” sewed
yet detachable‘manner.
to ‘the back andextendin‘g around one‘side‘an‘d
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toward the front of the coatf‘is ‘my ‘improved
.Still'a further "object resides in arranging the
carrier ‘pocket denoted generally by the inué
gas mask carrier pocket on the ‘?reman’s “turn;
vout-coat” in 'such‘a manner'a's not 'to‘cau'se any interference with the ‘use of the ‘usual ?re?ghting
equipment, such as the water hose, axe; ‘pick, and
meral
'45
2.
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‘ f'Ihi‘s-pocket is'fo‘rmed 'from pieces-of material
a‘ ‘simi1ar"tethat of which the mat ismade and
"atfthe same time'protectthe air purifying canister
‘5 ‘comprises a-front Wa1l‘3, top“and"bottom walls
fromicomingrinnontact with any fouling medium,
4 was and a rear end‘ ‘wall 6." “These walls are
so stitched together and the inner marginal'edge
.AlsO, the invention aims to so arrange the gas
portions 6 and‘fl of the top and bottomwalls, as
such'aswater;
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mask carrier pocket on the garment as not to
cause any {discomfort to the wearer while seated
on‘thei?re apparatus in going‘to'the scene of the
.?re.‘
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‘ Well as the ‘inner marginal edge portion 9 of the
end-wan 6 are stitched to the “turn-outscoat” l,
as'9is ‘clearly indicated at “ion the drawings.
‘ 5“'-I‘-he pocket‘2'i-extends‘substantially horizontally
2,409,354
‘
3
across the back of the coat directly above the
waistline and the forward end portion of this
pocket extends around the side of the coat and
terminates at the front of the coat, as clearly
illustrated in Figure 1.
A closure ?ap II is provided for the open for
ward end of the pocket and complementary fas
tening means l2‘ and I3 are associated with this
flap H and the adjacent portion of the front
tioned form of pocket construction. Likewise,
the forward end of this modified pocket is open
and a closure ?ap 3i forming an extension of
the rear wall 2'‘! is provided for the open forward
end of this pocket 25. Complementary fastening
means 32 and 33 are associated with the flap 3|
and the front wall 26 to retain the flap in a closed
position.
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Tabs 34 extend laterally from the edges of the
wall 3. ‘The fastening means may be in the 10 rear wall 21 at spaced ‘intervals and carried by
nature of a snap fastener or “zipper.”
This ,
?ap is stitched along its rear vertical edge to
the coat I at the juncture of the top and bottom
walls 4 and 5 of the pocket.
these tabs are suitable snap fastener elements
35 that cooperate with complementary fastener
elements 36 attached to adjacent portions of the
. coat I.
As will be more readily observed from an in- '
spection of Figures 2, 3 and 6 of'the drawings,
the closed rear end portion ofthe pocket is en
larged.
In lieu of snap fasteners any other well known
type of detachable fastening means may be em
ployed for detachably securing the carrier pocket
onto the coat.
Also, the bottom of the enlarged rear portion
The air purifying canister may be removably
of the pocket is open as indicated at M in the 20 supported in the enlarged rear end of this pocket
drawings and the purpose of this construction
25 in the same manner as the canister is remov
will be readily apparent in due course.
ably supported in the pocket 2.
A gas mask (not shown) of the conventional
In Figure 9 a modi?cation of the canister sup
construction has the usual ?exible hose l5 af
port is disclosed wherein a single band 31 has its
fording communication with the top of an air
intermediate portion stitched or otherwise secured
purifying canister [6, also of the usual construc
in the rear portion of the pocket. The free ends
tion.
This canister contains the necessaryv
of this band overlap and have fasteners 38 asso
chemicals and ?lter to extract poisonous and ir
ciated therewith to secure the band around the
ritating dusts and gases from the air. The
canister. Supporting straps 39 are associated
canister is provided with an air inlet opening in 30 with the lower edge of the band to engage with
its bottom and this air inlet opening is normally
and support the bottom of the canister.
sealed against the admission of air by means of a
In some instances, instead of arranging the
piece of adhesive tape l1, one end of which ex
pocket across the back of the coat, it may be de
tends outwardly of the opening l4 in the pocket
sirable to mount the pocket at the side of the
to provide a pull tab Hi to facilitate its quick
coat and beneath one of the sleeves.
and easy removal from over the air inlet opening
With a device of this character, the ?reman
in the bottom of the canister when the gas mask
will at all times have his gas mask carried by the
is to be used.
“turn-out-coat” and thus the gas mask can be
Forming an important part of the present in
readily and easily put into use, wherever the oc
vention is the means arranged in the pocket to 40 casion arises, thus saving considerable time and
support the air purifying canister in proper po
furthermore obviating the necessity of having to
sition in the enlarged portion of the pocket.
employ a special harness to support the air puri
To this end, I provide the bands 19 and 20
fying canister, Also, with my improved device,
that are stitched along their inner ends to the
back of the coat as at 2!. These bands overlap
at their outer free ends and suitable fasteners
22 are associated with the overlapping ends of
the bands to secure them together in position
around the canister l6.
the carrier pocket will in no way interfere with
e the use of the ?re ?ghting equipment by the user.
A carrier pocket of the above mentioned char
acter can be readily and easily attached to a ?re_
man’s “turn-out-coat” and will, furthermore, be
inexpensive, strong and durable.
.
Supporting straps 23 and 24 are associated with 50 ‘While I have shown the preferred embodiment
the bands l9 and 20 respectively for engagement
of my invention, it is to be understood that vari
with and to support the bottom of the canister
ous changes in the size, shape and arrangement
IS, in the manner as is» clearly shown in the
of parts may be resorted to without departing
from the spirit of the invention and the scope of
The canister Hi,- will thusbe supported in a
the‘ appended claims.
vertical position in the enlarged rear end por
Having thus described the invention, what I
tion of the pocket with its air inlet enddisposed
claim is:
drawings.
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directly over the opening 14 in the bottom wall
5 of the pocket and with the adhesive tape pro
1. In combination with a coat; a carrier pocket
for a respiratory apparatus forming a part of the
jecting outwardly ‘of this opening l4.
60 coat, the respiratory apparatus including an air
' The ?exible hose l 5 will be collapsed and main
purifying canister and a ?exible hose for deliver
tained in the pocket and also thegas mask con
ing puri?ed air to a gas mask from the canister,
nected to the forward end of this hose will be
said pocket serving as a support for the canister
concealed in the forward end portion of the
when the respiratory apparatus is in use, and
pocket.
,
In Figure 7 of the drawings, I have illustrated
a modi?cation of the carrierpocket,=wherein the
same comprises a separate unit that can be
readily and easily attached and removed from a
?reman’s “turn-out-coa .”
r '
In this form the pockety25 includes a front
wall 26, a rear wall 21, top and bottom walls 28
and 29 and rear end wall,30, stitched together.
The rear end portion of this pocket is enlarged
similar to enlarged rear portion of the ?rst men
adapted to entirely contain the aforesaid parts
of the respiratory apparatus when the latter is
not in use.-
'
2. In combination with a coat; a carrier pocket
for a respiratory apparatus forming a part of
the coat, the respiratory apparatus including an
air purifying canister and a ?exible'hose for de
livering purified air to a gas mask from the canis
ter, means for detachably securing and support
ing the canister in the pocket, said pocket en
75 tirely receiving and concealing all of the parts
2,409,354
5
of the respiratory apparatus when the latter is
the pocket, and a removable seal normally cover
not in use.
ing the air’ inlet in the canister and having a free ,
,
3. The combination with a garment and a re
end extending through the opening in the pocket
spiratory apparatus including an air purifying
canister and a ?exible hose for conducting puri
and accessible from the exterior of said pocket.
6. In combination with a ?reman’s turn-out
coat; a carrier ‘pocket for a respiratory apparatus
?ed air from the canister to a gas mask; of a car
rier pocket forming a part of the garment and
arranged across the back of the garment, said
forming a part of the coat, the respiratory appa
ratus including an air purifying canister, and a
?exible hose for delivering puri?ed air to a gas
pocket adapted to entirely receive all of the parts
of the respiratory apparatus when the latter is 10 mask from the canister, said pocket adapted to
entirely receive all of the parts of the respiratory
not in use, and further serving as a support for
apparatus when the latter is not in use, and means
the canister when the respiratory apparatus is
for securing and supporting the canister within
in use.
4. The combination with a garment and, a
the pocket, said means comprising a band secured
‘ respiratory apparatus including an air purifying
within the pocket and embracing the canister, loop
canister, and a flexible hose for conducting purie
members depending from the band and engag
?ed air from the canister to a gas mask; of a
lig the bottom of the canister, said pocket having
carrier pocket forming a part of the garment and
an opening provided in one wall thereof to admit
air to the canister.
,, arranged across the back of the garment and
extending around the side thereof, and to the 20 ‘ 7. In combination with a ?reman’s turn-out~
coat; a carrier pocket for a respiratory apparatus
front of the garment, the front end of the pocket
forming a part of the coat, the respiratory appa»
being open, and a closure ?ap for the open end
ratus including an air purifying canister, and a
of the pocket, said pocket adapted to entirely
?exible hose for delivering puri?ed air to a gas
receive all of the parts of the respiratory appa
ratus whenthe latter is not in use, and further 25 mask from the canister, said pocket adapted to
entirely receive all of the parts of the respiratory
serving as a support for the canister when the
respiratory apparatus is in use.
5. The combination with a garment and a
apparatus when the latter is not in use, and means
for securing and supporting'the canister within
the pocket, said means comprising a band secured
canister, and a ?exible hose for conducting puri- 9 within the pocket and embracing the canister,
loop members depending from the band and en
?ed air from the canister to a gas mask; of a car
gaging the bottom of the canister, said pocket
rier pocket forming a part of the garment and
having an opening provided in the bottom thereof
arranged across the back of the garment, said
pocket adapted to entirely receive all of the parts
to admit air to the canister, the bottom of the
canister having an air inlet in registration with
of the respiratory apparatus when the ‘latter is‘
the‘ air opening, a removable seal normally cover
not in use, and further serving as a support for the
ing the air inlet in the canister, and a pull tab
canister when the respiratory apparatus is in use,
carried by‘ the seal and extending through the
means for. securing and supporting the canister
air opening in the bottom of the pocket for access
in one end portion of the pocket, said end portion
of the pocket being provided with an opening to 4.0 from the exterior of said pocket.
admit air to the canister, said canister having an
ALFRED ‘M. GRUNWELL.
air inlet in registration with the air opening in
respiratory apparatus including an air purifying
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