US991376A - Fire-extinguisher. - Google Patents

Description

. 'H. F. SAWTELLE.

. 1 FIRE EXTINGUISHBR. APPLICATION FILED mm: 13, 190B. nmmwnn 82M. 29, 1910.

991,376. Patented May 2, 1911.

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HENRY F. SAWTELLE, OF LEOMINS'IER, MASSAGHUSETT$.

FIRE-EXTINGUISHER.

Application filed June 13, 1908, Serial No. 438.408.

To all whom it may concern:

Be it known that I, HENRY F. SAWTELLE, a citizen of the United States, and a resident of Leominster, in the county of Worcester and State of Massachusetts, have invented certain new and useful Improvements in l ire-Extinguishers, of which the following is a specification.

This invention relates to fire extinguishers and has for its object the production of a fire extinguisher mounted upon wheels on which it may be readily moved from one part of a building to another, all of the accessories to be used in connection with the fire extinguisher being secured in position upon the tank thereof and retained in position thereon by suitable locking devices which may be readily disconnected when it is desired to place the extinguisher in commission.

The invention consists in certain novel features .of construction and arrangement of parts which will be readily understood by reference to the description of the drawings and to the claims hereinafter given.

Of the drawings: Figure 1 represents a front view of a fire extinguisher embodying the features of this invention. Fig. 2 represents a side elevation of the same. Fig. 3 represents a verticalsection of the same, the cutting plane being on line 3-3 on Fig. 1. Fig. 1 represents a horizontal section of the same, the cutting plane being on line l 4c on Fig. 2, and Fig. 5 represents a vertical section of the lower portion of the tank showing the outlet therefrom, the cutting plane being on line 55 on Fig. 4.

Similar characters designate like parts throughout the several figures of the drawlngs.

In the drawings, represents a tank of any well-known construction having secured near its lower end and at one side of the axis thereof a block 11 which is provided at each end with a small wheel 12 by which when in inclined position the tank 10 may be moved readily from one part of the building to the other by means of the handle 13.

Vithin the upper end of the tank 10, supported in a spider 14, is a receptacle 15 having axial openings in the top and bottom thereof. Each of these openings in the receptacle 15 is closed by means of a suitable closure 16 connected together by means of a shank 17 which extends upwardly as at 18 Specification of Letters Patent.

Patented May 2, 1911. Renewed September '29, 1910. Serial No. 584,576.

through the center of a depression 19 in the top end 20 of said tank, the annular walls of said depression extending to the end of the shank 18 and surrounding the same to prevent the shank 18 from being hit and the closures accidentally displaced. The receptacle 15 contains the usual chemicals which are prevented from mixing with the liquid contained within the tank 10 until such a time as the closures 16 are removed from the outlets from the receptacle 15. It is obvious that when the shank 18 is forced downwardly in the depression 19 so that the upper end coincides with the inner end of said depression the closures 16 will be sufficiently removed from the openings in the receptacle 15 to permit the chemicals contained within said receptacle to enter the interior chamber of the tank 10 and cause an expansion of the gases therein which will act upon the liquid contained within the tank to force it outwardly through the tank outlet 20 which extends nearly to the bottom of the tank.

The outlet 20 connects with a suitable valve 21 which valve is provided with a branch outlet 22 to which is connected in any well-known manner the hose 23 provided with the usual nozzle 24. This hose 23 is coiled about the tank 10 as is indicated in Figs. 1, 2, and 3. Secured to the periphery of the tank 10 is a supporting ring 25 and extending from the tank at various levels are a plurality of headed projections 26, 27, and 28. YVhen the hose 23 is coiled about the tank these projections 26, 27, and 28 are connected together by means of a wire 29 which is twisted about the various headed projections to prevent the coil from becoming displaced.

On the valve side of the tank, opposite the projections 26, 27 and 28, the twin projections 80 and 31 project from the tank 10. Between these twin projections 30 31 the arm 32 of the valve 21 is adapted to enter and to be held in vertical position to retain the coiled hose in position by means of a wire locking device 33 connecting the two twin projections 31. One end of this arm 32 extends through an opening in the head 34 of the valve stem 35 and the opposite end of the arm 32 is provided with a suitable striking device 36 such as a hammer. The valve 21 is so constructed that when the arm 32 is in. a vertical position, as, for instance, in the position shown in Fig. 2, retaining the side thereof;

coiled hose in position around the tank 10, said valve will be closed, but when the wire locking device 33 is removed and the arm 32 is moved downwardly into a horizontal position and the wire connection 29 has been removed from the projections 26, 27, and 28, to permit the removal of the hose from about the tank 10, this downward movement of the hose 32 will open the valve 21 and permit the liquid contained within the tank to pass through the hose 23 as soon as any pressure is brought to bear upon the liquid contained within the tank. As soon as the valve has been thus opened by means of the downward movement of the arm 32 the arm is removed from the head 3-1, and the operator, using the striking hammer end 36, operates upon the shank 18 until the closures 16 are forced from the openings in the receptacle 15, thus permitting the chemicals to pass into the tank and operate upon the liquid to force it through the hose 23 and nozzle 24-. 1

This makes a very convenient form of fire extinguisher which can be built on a large scale and readily moved from one part of a large building such as a factory to any other desired part of the building for the purpose of extinguishing any fire which may occur in that portion of the building.

It is believed that the operation and many advantages of the invention will be thoroughly understood without any further description.

Having thus described my invention, I claim:

1. In a fire extinguisher, the combination of a tank; an outlet therefrom; a hose attached thereto adapted to be coiled about said tank; a valve in said outlet; an arm on said valve adapted to be moved into a position transversely of said coil and on the outand means for securing said arm to said tank in such transverse position to retain said coil in position.

2. In a fire extinguisher, the combination of a tank; an outlet therefrom; a hose attached thereto adapted to be coiled about said tank; a valve in said outlet; a removable arm on said valve adapted to be moved into a position transversely of said coil and on the outside thereof; and means for securing said arm to said tank in such transverse position to retain said coil in position.

3. In a fire extinguisher, the combination of a tank; an outlet therefrom; a hose at tached thereto adapted to be coiled about said tank; a valve in said outlet; a removable arm on said valve adapted to be moved into a position transversely-of said coil and on the outside thereof; a striking member on said arm; and means for securing said arm to said tank in such transverse position to retain said coil in position.

4. In a fire extinguisher, the combination of a tank; an outlet therefrom; a hose attached thereto adapted to be coiled about said tank; a valve in said outlet; and means secured to said valve adapted to retain said coil in position when the valve is closed and to open said valve when moved into a position to permit the uncoiling of said hose.

5. In a fire extinguisher, the combination of a tank; an outlet therefrom; a hose attached thereto adapted to be coiled about said tank; a valve in said outlet; an arm on said valve adapted to be moved into a position lengthwise of said tank outside of said coil; a projection on said tank; and means or securing said arm to said projectirm when extending lengthwise of the tank to retain said hose in position.

6. In a fire extinguisher, the combination of a tank; an outlet therefrom; a valve therein; a receptacle Within said tank provided with an outlet; a closure for said receptacle outlet; an axial shank therefor extending through the top of said tank; and an annular Wall surrounding said shank to protect it from accidental displacement.

7. In a fire extinguisher, the combination of a tank provided with a depression in its upper end; an outlet from said tank; a valve therein; a receptacle within said tank provided with an outlet; a closure for said receptacle outlet; and an axial shank for said closure extending through the top of said tank nearly to the top of the annular wall of said depression, which surrounds said shank to protect said closure from accidental displacement.

8. In a fire extinguisher, the combination of a tank; an outlet therefrom; a hose attached thereto adapted to be coiled about said tank; a valve in said outlet provided with an opening through the stem thereof; a receptacle within said tank provided with an outlet; a closure for said receptacle outlet; an axial shank therefor extending through the top of said tank; a hammer for operating said closure, the end of the handle of which, when not in use as a striking member, is adapted to extend into the opening of said valve stem; and means for retaining said hammer handle parallel with said tank outside of said coil when said extinguisher is not in service.

Signed by me at Boston, Mass, this 11th day of June, 1908.

HENRY F. SAIVTELLE.

Witnesses:

WALTER E. LOMBARD, EDNA C. CLEVELAND.

Copies of this patent may be obtained for five cents each, by

addressing the Commissioner of Patents,

Washington, D. C.

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