US400688A - Charles w - Google Patents

Description

(NoMoael.) y l y o. W. KERSTBTBR.

AUTOMATIC PIRE EXTINGUISHBR.

10.400,688. PatentedApr.2,1889

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nlllmseeessammuw @Mmmm a muu UNiTnn STATES PATENT OFFICE.

CHARLES W. KERSTETER, OF CHICAGO, ILLINOIS, ASSIGNOR O F ONE-HALF f TO VILLIAM E. SMITH, OF SAME PLACE. l

AUTOMATIC FIRE-EXTINGUISHER.

SPECIFICATION forming part of Letters Patent No. 400,688, dated April 2, 1889.

Application filed JanuaryZ, 1889. Serial No. 297.671. (No model.)

To all whom it may concern.- levers J bear against the outer sides of .said

Beitknown that-I, CHARLES W. KERSTETER, lugs, while the links I rest upon the upper a citizen of the United States, residing at Chisurface of the same lugs. rlhe levers .I have cago, in the county of Cook and State of Illiprojections j, which hook over the lugs f.

nois, have invented certain new and useful These levers also have short arms k, which 55 Improvements in Automatic Fire-Extinguishlproject inwardly and have a bearing on the ers, of which the following is a specification. valve C, which may have short arms c thereon My invention relates to that class of autoto form rests for the arms lo. matic fire-extinguishers wherein a valve is K is a deflector, which will be secured to t-he Io held in position to close the orifice of a' nozunder side of the crossbar of the yoke over 6o zle by levers secured by fusible metal, whereby the orifice of the nozzle. This deiiector is the valve is released when the heat becomes made from a disk of sheet metal and has rasufficient to fuse the metal, and the water isdial openings formed by slitting the metal sues from the orifice, and is sprayed by means from near the center of the disk to near its I5 of a deilector against which the water disperiphery and bending it downwardly from 65 charges 5 and my invention consists in the deone side of the slit. The metal may also be vices and combination of devices hereinafter cut at right angles to the radial slits near the described and claimed. periphery and the points bent downwardly.

In the drawings, Figure I is a side eleva- I prefer the latter construction, and I also tion of my extinguisher in the position it ocprefer to bend down these points, so that they 7o cupies when in use. Fig. 2 is a plan view, will be at a screw-pitch similar to the blades and Fig. 3 is a detail. of a propeller. lVith this construction the In the drawings, A is a T-coupling forming water issuing from the nozzle will strike the a part of the water-supply pipe, and into the edge of the blades, and part of it will be destem of which is screwed a nozzle, B, toV the flected through the openings and a part of it 75 orifice of which is fitted a cap-valve, C. This returned without passing through them, thus valve will preferably have the lugs o, adapted breaking up the water into a very fine spray. to embrace the end of the nozzle, and thus pre- I claimvent lateral movement of the valve. 1. In an automatic fire-extinguisher, the

D is a yoke which is .fitted to the nozzle combination of a nozzle,a yoke projectingbe- 8o and secured either by the set-screw d or by yond the orifice of the nozzle and having rescreW-threads, or both. This yoke has at the taining-lugs on each of its upright portions, upper and lower ends of its upright arms, rea cap-valve adapted to close the nozzle-orispectively, projectinglugs e e and f f. These fce, levers adapted to engage the lugs of the 3 5 lugs are hooked or bent at their outer ends yoke-uprights and having short arms bearing 8 5 and preferably project in opposite directions on the valve, and a fusible strip connected at from said side arms. its respective ends by arms and links to the G'is a fusible strip composed of two thin upper ends of the levers, substantially as demetal plates connected by solder. (See Fig. scribed.

40 3.) -Strip G is connected onl both sides by 2. In an automatic fire-extinguisher, the 9o short arms II H and links I I to levers J J. combination of anozzle, a yoke projecting be- The arms H have their ends bentinopposite yond the oriiice of the nozzle and having lugs directions, to adapt them to enter aperturesg toward each end of its upright portions, a in the ends of the strip G ,and the openings valve adapted to close the nozzle-orifice, le-

of the links I. The bent ends of these arms, vers having projections to engage the lower 95 which pass through the openings of thelinks, lugs of the yoke-uprights and having their project below the vplane thereof and bear upper ends extended to bear upon the outer against the inner sides of the lugs e, the surside of the upper lugs and provided with 4faces in contact being beveled to prevent vershort arms adapted to bear on the valve, and

tical movement, and the upper ends of the a fusible strip connected at its respective ends Ioo by arms and links to the uppex` ends of the the water in levers, substantially as described.

3. In an automatic sprinkler, a deiector sel, f cured over the nozzie-orifiee, said defiector CHARLES A KILRSTE FER' Witnesses:

C. C. LINTHICUM, T. D. BUTLER.

to spray, substantially as de-y scribed.

5 comprising a disk slitted radiallyend having the metal thereof turned down at bhe edges of the slits ait a screw-pitch,wherebyto break

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