US518822A

US518822A - Protector-mask

Info

Publication number: US518822A
Authority: US
Publication date: 1894-04-24
Anticipated expiration: 1911-04-24

Description

N A R 0 M T W (No Model.)

PROTECTOR MASK."

Patentepr ATENT Farce.-

.- WILLIAM 'r. MORAN, on ATLANTIC, MASSACHUSETTS.

PROTECTOR-MASK.

srncr rrcnrron forming part of Letters Patent no. 518,822, dated a rn 2 1894.

Application filed March 1893' $eriall1'o. 466,5 89. (No model.) I

To WZ whom it may concern: i

Be it known that 1, WILLIAM T. MORAN, of Atlanticfln the county of Norfolkand State.

of Massachusetts, have invented certain new and useful Improvements in Protector-Masks,

of which the'following is a specification.

This invention has relation to that kind of maskswhich are devised for the purpose of protecting the'face of fi-rernen and others-from heat, smoke, and flames, and noxious gases.

It- IS the object of the invention to provide a mask of the kindmentioned which will perfectly protect the face and other parts of for breathing purposes.-

th e head of the wearer, and afford an ample supply of fresh air to the mouth and nostrils" :Io these ends the invention consists in the novel construction and arrangement of parts hereinafter described and claimed. r Reference iS'to be had to the annexed draw-- i'ngs andto the letters marked thereon form- Inga part of thisspecifioation, the same let,- 7 ters designating the same parts or features as the case" may be,'wherever they occur.

' Of the drawings-Figurel is a side view of my invention represented as in position on thefheadof a person,'the air tubesreaching tbthe floor upon which the person stands} Fig.2 is' a verticalsectional view drawn to an enlarged scale, of the invention represented in position on the head of a person. "Fig. 3 is a perspective view of the inner crown piede.

'- material. r

bdesignates an interior crown piece lined 'w1thfelt -or other soft material so as-that it the drawings a designates the outer shell whlch may be. of metaL apiermach treated so as to be fire proof,-.or any other suitable may rest easilyupon the head of the wearer.

Thesaid crown piece is made so as to fit the npperpart of the head of the wearer, and

hold'the outeishell din position around the .head without touching thesame. This crownpiece is in the form of an limperforatecom.

caved disk or plate, and is-adapted to com- I pletelycover the top of the head and protect it.

'As shown herein the crown; piece 1) consists of a'skeleton'. frame 0 madeof wire 51' other material with projecting ends of the wire frame bent upward vertically'a's at'dso as that they may fit in 'socketse connected with the interior of I the shell 0., and so maintain the crown piece in position with a space fbe-Q tween the same, and the outer shelh: By this provision opportunity is givenfor ventilation between the crown piece and outer shell, and the latter should it become heated to an un- Qtact with the head of t e wearer,

g designates a window arranged inthe outer shell opposite the eyes of thewearer, and provided with a sheet of mica or other transpardue extent will not be brought indirect con- 1 out material which will not be detrimentally .efiected by moderate heat. The frameof the window g is preferably hinged to the outer casing a so as that it may be opened when desired or necessary, and thus afford means the window, and also to admit of unrestricted breathing space in case of necessity, without removing the mask from the head.

r h designates pipes which communicate Withthe interior of the outer casing at each side of the same, and preferably opposite the nos- 'trils of the wearer as at t, Fig. 3. The said fioorso as that air may be taken into the easfing from a point-where there is not likely to be smoke or noxious gases. The said pipes may be strapped to the body andlegs of the from the casing.

j designates a=fiexib1e skirt attached to the lower edge of the 'outer casing and provided witha' draw string 70 so as that it may be tied pipes h extend from the outer casing to the wearer as shown, or they may hang loosely closely around the neck of 'the wearer as 1 for wiping perspiration or soot or dust froui shownin Fig. 3 to prevent smoke orgases from entering the mask at the neck.

Z des'ignatesan open top cone or frustum of a cone arranged over a ventilating outlet opening in the top or crown of the casinga .afiording, communication between the inte rior and exterior thereof.

designates a dome arranged-over the open top cone and provided around its lower tering the tubes h'may circulate through the outer casingaand-escape through the venti- -part withv openings at as shown, so that air en lating devices inst described in the top of the mask, and prevent smoke from entering the mask at saidventilatiug devices. This cove'ringof the ventilator in the top" of the helmet, so as to prevent smoke and soot from ehtering the helmet is an -i1iiportant feature 7