US1075195A - Chemical-mixing fire-extinguisher system. - Google Patents

Description

R. L COO NEY.

CHEMICAL MIXING FIRE EXTINGUISHER SYSTEM.

APPLICATION FILED JUNE 15, 1910. RENEWED JULY so, 1913.

Patented Oct. 7, 1913.

-?lllllllll ROBERT L. COONEY, 0F ATLANTA, GEORGIA.

CHEMICAL-MIXING FIRE-EXTING-UISHER SYSTEM.

' Application filed June 1-5, 1910, Serial No.

To all whom it may concern:

Be it known that I, ROBERT L. COONEY, a citizen of the United States, residing at Atlanta, in the county of Fulton and State of Georgia, have invented new and useful Improvements in Chemical-Mixing Fire-Extinguisher Systems, of which the following is a specification.

This invention relates to improvements in stationary chemical mixing fire extinguisher systems.

The invention proposes a mechanically controlled and operated system, the essential characteristics of which are extreme simplicity both as to construction and operation; the relation of the mechanically operated parts to the door of the hose cabinet whereby the opening of said door for the purpose of withdrawing the hose from the cabinet produces the operation of the system; and an arrangement in which packed joints are dispensed with and in which provision is made for preventing the escape of gas from the tank during the operation of the system.

An embodiment of the invention is illustrated in the accompanying drawings, wherein Figure 1 is a diagram partly in longitudinal section, showing a system in accordance with the present invention; Fig. 2 is a top plan view of the hose cabinet; and Fig. 3 is a horizontal sectional view of the acid bottle.

' Similar characters of reference deslgnate corresponding parts throughout the several views. i

The essential elements of the system are, as usual, a tank, as 1, to contain solution, an acid bottle, as 2, to discharge its. contents into the body of the solution and a distributing pipe, as 3, which leads from the tank and which is provided with branches to supply the various rooms or parts of the building to be protected. Such a branch is shown at 4 in Fig. 1 and is connected to a flexible hose, as 5, the latter being inclosed in a cabinet, as 6, having a hinged door, as 7.

In the embodiment shown, the acid discharging operation results from the overturning of the acid bottle, the latter being pivotally mounted oil center. The discharging operation is normally prevented by a latch which, in the present instance, holds the acid bottle in an upright position. This latch comprises a stem, as 8, which is slidable axially through a gland or sleeve, as 9,

Specification oi Letters Patent.

567,051. Renewed July 30, 1913. Serial No. 782,139.

Patented Oct. '7, 1913'.

fitted in any suitable manner in the upper side of the tank 1 and having the inner end of its bore of flaring outline with a ground surface. The inn-J end portion of the stem 8 is of frusto-conical outline, as at 10, and

is formed and proportioned to conformably fit in the flaring mouth of the bore of the gland 9. This fru-sto-conical portionlO has a ground surface which coaets with the groundsu'rface of the flaring mouth of the bore of the gland 9,- to provide for a gastight sealing engagement of the parts during the operation ofthe system. The stem 8 retains its normal operative position by gravity and is held against downward displacesheave 15 and has its other end connected to a sheave sector 16, which is mounted on the door-7. It will be apparent that when the door 7 is opened, as at the time of afire, for the purpose of removing the hose from the cabinet, the sector 16 is turned and the cord 14 is pulled so as to litt the latch stem out of engagement with the arm 12 and to permit the acid bottle to overturn. Thereupon the operation of the system proceeds and the developed high pressure serves to hold the latch stem in its uppermost position, the ground surfaces aforesaid establishing a sealed joint which prevents the escape of such pressure through the door of the gland. The arm 12 is curved in order that, when desired, it may lie concentrically against the acid bottle, as shown in Fig. 3. Said arm will be so disposed when the acid bottle is being removed from the tank and replaced thereinto.

Having fully described my invention, I claim:

1. A stationary fire extinguisher system consisting of a tank containing solution, an acid bottle pivotally mounted in the tank and rranged to overturn by? gravity. a gland titted in the tank and having a flaring bore, and means for normally preventing the discharging operation of the acid bottle and including a stem slidable axially of the l gland, the stem resting. by gravity in a engagement by normal position and havin a frusto-conical ortion to conformably t in the flaring ore, the surfaces of the frusto-conical portion and of the flaring bore being ground to provide a gas-tight seal against the escape of pressure when the stem is .in its retracted position, and an arm pivoted onthe acid bottle for horizontal swinging movement and havin its free end formed for e stem.

2. Astationary fire extinguisher system of a tank containing solution, an

I COIiSiStlIlgl acid bott e arranged to dischar e its contents into the tank a'gland fitted 1n the tank and having a flaring bore, means for normally preventing the discharging operation of the acid bottle and including a stem slidable axially of the gland, the stem resting by gravity in a normalposition, and having a. frusto-conical portion to comformably fit in the flarin bore, the surfaces of the frustoconical portlon and of the flaring bore being ground to provide a gas-tight seal against the esca e of ressure when the stem is in its retracte posltion, a distributin pipe leading from the tank, a hose couple to the dis-' tents into the tank, a latch stem for gov-' erning the discharging operation of the acid bottle, a distributing pipe leading from the tank, ahose coupled to the distributing pipe, a cabinet inclosing the hose and having a normally closed door, and a cord having an end connected to the latch stem and an end associated with the door whereby movement of the latter to its openposition pulls the cord and retracts the stem.

In testimony whereof I have hereunto set my hand in presence of two subscribing wit nesses.

' ROBERT L. oooNEr.

Witnesses:

H. B. SPENCER, Jr., I H. L. D na. 1 1

copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. 0. v

Images