US802208A - Fire-extinguisher. - Google Patents

Description

No. 802,208.- PATENTED OCT. 17, 1905.

' T. F. HANDLY.

FIRE EXTINGUISHER.

APPLICATION FILED APR 25. 1905.

THOMAS F. HANDLY, OF ALLEGHENY, PENNSYLVANIA.

FIRE-EXTIINGUlSl-MEH.

Specification of Letters Patent.

PATENT UFFTQE.

Patented Oct. 1'7, 1905.

Application filed April 25, 1905- Serial No. 257,306.

To all 107mm, if; irtaty concern:

Be it known that I, THOMAS F. HANDLY, a citizen of the United States of America, residing at Allegheny, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Fire- Extinguishers, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention has relation to lire-extinguishers, and relates more particularly to that type of apparatus commonly known as a chemical fire-extinguisher.

It has been the practice in fire-extinguishers heretofore constructed to provide a cage or housing for the acid-receptacle, which has been employed in combination with a suitable casing containing an alkali solution to produce a gas having expelling force suflicient to extinguish a fire.

The primary object of my invention is to dispense with the use of a cage or housing to support the acid-receptacle and to employ novel means in connection with the fire-extinguisher for supporting the acid-receptacle in a fixed position, no matter which way the extinguisher is turned.

My invention also aims to provide positive and reliable means for efiecting a discharge of acid when the fire-extinguisher is inverted, whereby the alkali solution or fluid contained within the extinguisher will be thoroughly impregnated and form an extinguishing solution.

With the above and other objects in View the invention finally consists in the novel construction, combination, and arrangement of parts, which will be hereinafter more fully described and then specifically pointed out in the claims, and, referring to the drawings accompanying this application, like numerals of reference designate corresponding parts throughout the several views, in which Figure l is a side elevation view of my improved fire-extinguisher. Fig. 2 is a vertical sectional view of my improved extinguisher, partly in side elevation. Fig. 3 is a similar view illustrating the extinguisher in an inverted position. Fig. 4. is a detail perspective view of a receptacle-supporting head. Fig. 5 is a detail perspective view of one of the receptacle-clamping arms. Fig. 6 is ade tail perspective view of a locking band or ring employed in connection with the extinguisher, and Fig. 7 is a side elevation view of a stopper or closure employed in connection with the extinguisher,

In the accompanying drawings I have illustrated the preferred embodiments of my invention; but in no wise do I care to confine myself to the specific construction illustrated, as various structural changes may be made without departing from the scope and spirit of the invention.

An extinguisher constructed in accordance with my invention consists of a conventional form of tank 1, which is of the ordinary and well-known type commonly used in connection with fire-extinguishers of this character. Upon the one end of the tank is secured a closure-cap 2, provided with a suitable handle 3, whereby the tank may be readily carried and inverted when desired. The closurecap is provided with a central depending screw-threaded pin 4:, upon which is secured the receptacle-supporting head or block 5. This head or block is provided in its top with a screw-threaded aperture 6, adapted to receive the depending screw-threaded pin 4, whereby the head or block will be supported from the closure-cap.

The receptaclesupporting head or block 5 is preferably annular in form and is provided with a recess 7 in its lower end to accommodate a stopper or closure 8, that will be presently described. The sides of the head or block 5 are provided with a plurality of vertically-disposed grooves 9, in the present instance these grooves being three in number. Each groove near its upper end is provided with a recess 10, and the material forming the lower sides of the head or block is cut away, as indicated at 11, to form verticallydisposed ribs or guideways 12 12 upon each side of the grooves 9. The lower edges of the head or block 5 are also cut away, as indicated at M, the object of which will hereinafter appear.

The head or block 5 is adapted to support an acid-receptacle 15, and to accomplish this I employ a plurality of receptacle-clamping arms 16, one of said arms being illustrated in Fig. 5 of the drawings. Each arm consists of a body portion 17, the one end of which is bent outwardly, as indicated at 18, and adjacent to this end of the body portion 1 provide a headed or tuberous projection 19, adapted to engage in the recesses of the head or block 5. The body portion of each clampingarm is provided upon its one side with outwardly-extending lips or lugs 20 20, while upon the opposite side of the body portion is provided an outwardly-extending pin 21.

The receptacle-clamping arms 17 are adapted to be mounted in the grooves 9 of the head 5, the tuberous pins 19 extending within the recesses 12 and the lips or lugs 20 2O lying beneath the lower end of the block or head 5 and extending inwardly toward the vertical axis of the head or block. To retain the clamping-arms 17 in engagement with the head or block 5, I employ a ring or band 22, which is provided with a plurality of substantially bayonet-shaped slots 23. In this instance the number of slots correspondsto the number of pins 21, and consequently to the number of clamping-arms used in connection with the head or block 5.

In assembling the different parts of my invention the stopper or closure 8 is adapted to be placed in the neck-opening of the acid-receptacle and the yoke of the receptacle is adapted to be gripped by the clamping-arms 17, the lips or lugs supporting the receptacle by its flanged neck, While the lugs or lips 20 engage the receptacle at the juncture of the neck and the body portion thereof. To retain the arms 17 in engagement with the headed block 5, the ring or band 22 is placed over the arms prior to the engagement of the acid-receptacle by said arms, and after the receptacle has been placed in the arms the I ring or band 22 is rotated to place the pins 21 in the bayonet-shaped slots 23 of the ring or band. The ring or band will prevent the arms from separating and releasing the receptacle, and the extinguisher may be turned in any direction withoutdislodging the receptacle from the clamping-arms 17.

When the extinguisher is in an upright position, as illustrated in Fig. 2 of the drawings, the stopper or closure 18 closes the neck of the receptacle 15 and prevents any of the fluid contained Within the receptacle from being spilled or brought into engagement with the alkali solution carried in the extinguisher carried in the tank 1. When the extinguishertank is inverted in the position illustrated in Fig. 3 of the drawings, the stopper or closure 8 opens by gravity, permitting the contents of the receptacle 15 to pass outand impregnate the alkali solution within the tank. The openings 14 of the head or block 5 permit of the acid contained within the receptacle passing into the tank 1.

I desire to call particular attention to the fact that I have dispensed with all supports, such as cages or housings, for the acid-receptacle, except the clamping-arms 17 of my improved apparatus, and that I have constructed these clamping-arms whereby they will firmly brace and retain the acidreceptacle in aiixed position no matter in what direction or position to which the extinguisher may be turned or manipulated.

It is obvious that a larger number of clamping-arms may be employed and the remainder of the apparatus constructed to accommodate the clamping-arms, the extra number only being necessary Where very large acid-receptacles are to be supportedas, for instance, in chemical fire-extinguishers for fire departments.

hat I claim, and desire to secure by Letters Patent, is

1. In a fire-extinguisher, the combination with a tank, a closure-cap secured upon said tank, a depending pin carried by said cap, of a head secured to said pin, clamping-arms mounted in said head and adapted to support a receptacle, a gravity-closure for said receptacle, means for locking said arms in engagement with said receptacle, means for locking said clamping-arms in engagement with said head, substantially as described.

2. In a fire-extinguisher, the combination with a tank, a closure-cap secured to said tank, ofa head carried by said cap, said head having a plurality of recesses formed therein, clamping arms mounted in said head and adapted to support a receptacle in both a vertical and inverted position, substantially as described.

3. In a fire-extinguisher, the combination with a tank and an acid-receptacle having a neck, of suspension means consisting of a head and clamping-arms carried by said head clutching the neck of said receptacle and supporting the receptacle stationary within the tank, and a stopper or closure projecting into a recess in said head but independent of said suspension means sealing the acid-receptacle in the upright position of the tank and free to drop away from the acid-receptacle and seating in the recess in the head when the tank is inverted.

4. In a fire-extinguisher, the combination with a tank and an acid-receptacle having a neck, of a cap for the tank, a head suspended from said cap clamping-arms carried by said head and clutching the neck of said receptacle and holding the said receptacle stationary in the tank irrespective of Whatever position the tank is placed in, and a stopper or closure separate from and independent of the suspension means, said stopper or closure projecting at its upper end into a recess in said head and sealing the acid-receptacle when the tank is in the upright position and having free movement away from the receptacle when the tank is inverted.

5. In a fire-extinguisher, a tank and an acidreceptacle, combined with means connected being free to move away from the receptacle to the tank and clutching the aeid-receptacle When the tank is inverted. to to hold the same stationary in the tank irre- In testimony whereof I affix my signature in spective of the position of the latter, and sealthe presence of two witnesses.

5 ing means for the said acid-receptacle entirely THOMAS F. HANDLY.

separate and independent of the receptacle- \Vitnesses: supporting means for sealing the receptacle E. E. POTTER,

when the tank is in an upright position, and M. E. LAWSON.

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