US826268A - Chemical fire-extinguishing apparatus. - Google Patents
Chemical fire-extinguishing apparatus. Download PDFInfo
- Publication number
- US826268A US826268A US17274303A US1903172743A US826268A US 826268 A US826268 A US 826268A US 17274303 A US17274303 A US 17274303A US 1903172743 A US1903172743 A US 1903172743A US 826268 A US826268 A US 826268A
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- US
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- Prior art keywords
- tank
- chemical fire
- extinguishing
- extinguishing apparatus
- bottle
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
Definitions
- the object of this invention is to improve the construction of chemical fire-extinguishing apparatus so as to make such apparatus more safe, convenient, and eflective.
- One feature of the invention consists in means for forming the inlet to the tank that contains the ingredients so that said tank cannot be entirely filled with water and an air-cushion will be left therein. This is to avoid the danger of explosions resulting from filling said tanks too full, which has been a serious difficulty with fire-extinguishing tanks and has frequently caused great personal inury.
- Another feature of the invention consists in novel means for breaking the acid-receptacle in order that its contents may be discharged into the tank.
- Another novel feature consists in an arrangement that enables the apparatus to be easily transported either on wheels, where such means of transportation will be suf ficient, or by carrying the same by means of handles that while not in use maybe pushed out of the way. For many uses it is desirable that the apparatus can be drawn on wheels or carried and stored in a small space.
- Figure 1 is a plan view of the apparatus.
- Fig. 2 is a side elevation thereof.
- Fig. 3 is a detail of the means for mounting the telescoping handles for carrying the apparatus, parts being broken away and parts in section.
- Fig. 4 is a central vertical longitudinal section of one end of the tank containing the fire-extinguishing fluid.
- Fig. 5 is a vertical section of the means for holding the acid-receptacle on the line 5 5 of Fig. 4.
- Fig. 6 is a perspective of the acid-receptacle with the lid elevated.
- Fig. 7 is a central vertical section of the acid-receptacle and means for holding it, a portion of the upper part of the tank being shown in a transverse section.
- Fig. 8 is a horizontal section of the lower part of the acid-receptacle.
- the machine shown in the drawings to illustrate the general nature of my invention consists of a tank 10 for containing the extinguishing fluid or ingredients carried by a suitable rectangular frame 11, mounted sub- 16, that is internally threaded. Within that a nut 17 is screwed that snugly surrounds the inner tube 14. A stationary stop-sleeve 18 fits inside of said tube 11 and the inner end of the tube 14 is externally threaded to receive the sleeve 1 9, which prevents the escape of the tube 14 and by engaging with the sleeve 18 limits the outward movement of said tube.
- springstops 20 operating through slots in the pipes 11 as appears in Fig. 3, drop in behind the tubes 14 and hold them in their outward position.
- the downwardly-extending end 21 from the sleeve-like flange 22 surrounds and extends through the inlet-opening to said tank, said flange being bolted or riveted to the wall of the tank.
- the bottle or receptacle for the acid is placed in the bottle-holder 25, which may be made of copper.
- the lower part of said bottle-holder is open; At the upper end it is provided with the notches 26 and is closed by the lid or cap 27, having the pins 28, that engage said notchesi
- a spring-catch 29 is se- IIO cured on the side of the bottle-holder to engage and hold one of said pins 28 in place to prevent the bottle-holder from turning and dropping off.
- the bottle-holder is supported, by means of the flange 30, on the cap or top 27, that rests upon the sleeve-like flange 22. It has an annular groove containing the gasket 31, that fits on the upper end of said flange 22.
- the top is clamped in place by the screw 32, (seen in Fig. 7,) operating through the bail 33, said bail being at its ends pivoted by bolts 34 to the sleeve-like flange 22.
- the bottom of the bottle containing the acid is broken to discharge the acid by the hammer 35, that is secured to the segmental gear 36 on the spindle 37, extending from the collar 38, secured to the lower end of the pipe 39, that extends downward into the tank, being rigidly secured at its upper end by the sleeve 40.
- the segmental gear 36 is actuated by the segmental gear 41 on the lower end of the shaft 42, that extends down through the pipe 39 and is held in its upward position by the bracket or arm 43 at its lower end, connected, as shown in Fig. 4, to the sleeve 38.
- Said shaft is actuated by the han dle or lever 44. It is obvious that by turning the handle or crank 44 the bevel-gears will throw the hammer up through the open lower end of the b0ttle-holder 25 and break the bottom of the bottle therein.
- the outlet-pipe 45 for the fire-extinguishing gases and fluid extends up from the lower part of the tank through the top, where it is closed by valve 46 and has the outlet end 47, to which any desirable means may be attached for conveying the same.
- An agitator for effecting the dissolution of the bicarbonate of soda in the tank, consisting of a crank-shaft 50, with one end pivoted in the bearing 51, secured to the pipe 45 and the other end extending through the bearing 52 in the end of the tank, with a handle 53 on it for partially rotating said crank-shaft.
- the crank portion of said shaft approaches the bottom of the tank a proximately and a spiral spring 54 surrounds it and is secured to it to provide a flexible means for engaging the inner surface of the tank and agitating all the particles of soda therein.
- a tank containing the fire-extinguishing fluid a bottle containing acid, a hammer within the tank for breaking said bottle, a stationary tube extending into said tank, a gear pivotally secured to said tube and to which the hammer is secured,. a rotary rod extending through. such tube, a gear on the lower end of the rod that meshes with the other gear, and a handle on the upper end of said rod for actuating it.
- a vehicle a tank for the fire-extinguishing fluid mounted thereon, a tube secured on said vehicle on each side of said tank, a smaller tube telescopically extending from each end of said tubes, transverse handles connecting the outer ends of said telescoping tubes, stops for limiting the withdrawal of said telescoping tubes, and a spring-stop on said larger tubes for holding said smaller tubes in their outward position.
Description
PATENTED JULY 17, 1906.
No. 826,268. Y
I I I J. T.. OBENGHAIN." CHEMICAL FIRE EXTINGUISHING APPARATUS.
APPLICATION FILED SEPT. 11. 1903.
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INVENT OR.
ATTORNEY WITNESSES THE NORRIS PETERS cm, wAsmNmaN. n. c.
No. 826,268. PATENTED JULY 17, 1906.
J. T. OBBNGHAIN. CHEMICAL FIRE EXTINGUISHING' APPARATUS.
APPLICATION FILED SEPT. 11, 1903.
8 SHEETS-SHEET 2.
I WITNESSES: INVENTOR.
ATTORNEY.
' UNITED STATES PATENT oEEIoE.
Specification of Letters Patent.
Eatenteci L'uiy 17, 1906.
Application filed September 11, 1903. Serial No. 172,743.
To all whom it may concern:
Be it known that 1, JOHN T. OBENCHAIN, of
Logansport, county of Cass, and State of Indiana, have invented a certain new and useful Chemical Fire-Extinguishing Apparatus; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, in which like numerals refer to like parts. This invention relates to the same sort of apparatus as that described in my former patent, No. 802,821, dated October 24, 1905, for chemical fire-extinguishing apparatus.
The object of this invention is to improve the construction of chemical fire-extinguishing apparatus so as to make such apparatus more safe, convenient, and eflective.
One feature of the invention consists in means for forming the inlet to the tank that contains the ingredients so that said tank cannot be entirely filled with water and an air-cushion will be left therein. This is to avoid the danger of explosions resulting from filling said tanks too full, which has been a serious difficulty with fire-extinguishing tanks and has frequently caused great personal inury.
Another feature of the invention consists in novel means for breaking the acid-receptacle in order that its contents may be discharged into the tank.
Another novel feature consists in an arrangement that enables the apparatus to be easily transported either on wheels, where such means of transportation will be suf ficient, or by carrying the same by means of handles that while not in use maybe pushed out of the way. For many uses it is desirable that the apparatus can be drawn on wheels or carried and stored in a small space.
The full nature of this invention will be understood from the accompanying drawings and the following description and claims.
In the drawings, Figure 1 is a plan view of the apparatus. Fig. 2 is a side elevation thereof. Fig. 3 is a detail of the means for mounting the telescoping handles for carrying the apparatus, parts being broken away and parts in section. Fig. 4 is a central vertical longitudinal section of one end of the tank containing the fire-extinguishing fluid. Fig. 5 is a vertical section of the means for holding the acid-receptacle on the line 5 5 of Fig. 4. Fig. 6 is a perspective of the acid-receptacle with the lid elevated. Fig. 7 is a central vertical section of the acid-receptacle and means for holding it, a portion of the upper part of the tank being shown in a transverse section. Fig. 8 is a horizontal section of the lower part of the acid-receptacle.
The machine shown in the drawings to illustrate the general nature of my invention consists of a tank 10 for containing the extinguishing fluid or ingredients carried by a suitable rectangular frame 11, mounted sub- 16, that is internally threaded. Within that a nut 17 is screwed that snugly surrounds the inner tube 14. A stationary stop-sleeve 18 fits inside of said tube 11 and the inner end of the tube 14 is externally threaded to receive the sleeve 1 9, which prevents the escape of the tube 14 and by engaging with the sleeve 18 limits the outward movement of said tube. When the handles are drawn outward, springstops 20, operating through slots in the pipes 11 as appears in Fig. 3, drop in behind the tubes 14 and hold them in their outward position.
In order to prevent the tank 10 from being overcharged or entirely filled with fluid, the downwardly-extending end 21 from the sleeve-like flange 22 surrounds and extends through the inlet-opening to said tank, said flange being bolted or riveted to the wall of the tank. When the water is filled into the tank through said opening, all the air in the tank below the edge of the sleeve 21 will remain in the tank and keep that portion of the tank free from the fluid, so as to give room for the expansion of the gas when generated, and thereby prevent great internal pressure on the wall of the tank. The sleeve 21 may be made to extend into the tank as far as desired to bring about said result.
The bottle or receptacle for the acid is placed in the bottle-holder 25, which may be made of copper. The lower part of said bottle-holder is open; At the upper end it is provided with the notches 26 and is closed by the lid or cap 27, having the pins 28, that engage said notchesi A spring-catch 29 is se- IIO cured on the side of the bottle-holder to engage and hold one of said pins 28 in place to prevent the bottle-holder from turning and dropping off.
The bottle-holder is supported, by means of the flange 30, on the cap or top 27, that rests upon the sleeve-like flange 22. It has an annular groove containing the gasket 31, that fits on the upper end of said flange 22. The top is clamped in place by the screw 32, (seen in Fig. 7,) operating through the bail 33, said bail being at its ends pivoted by bolts 34 to the sleeve-like flange 22.
The bottom of the bottle containing the acid is broken to discharge the acid by the hammer 35, that is secured to the segmental gear 36 on the spindle 37, extending from the collar 38, secured to the lower end of the pipe 39, that extends downward into the tank, being rigidly secured at its upper end by the sleeve 40. The segmental gear 36 is actuated by the segmental gear 41 on the lower end of the shaft 42, that extends down through the pipe 39 and is held in its upward position by the bracket or arm 43 at its lower end, connected, as shown in Fig. 4, to the sleeve 38. Said shaft is actuated by the han dle or lever 44. It is obvious that by turning the handle or crank 44 the bevel-gears will throw the hammer up through the open lower end of the b0ttle-holder 25 and break the bottom of the bottle therein.
The outlet-pipe 45 for the fire-extinguishing gases and fluid extends up from the lower part of the tank through the top, where it is closed by valve 46 and has the outlet end 47, to which any desirable means may be attached for conveying the same.
An agitator is provided for effecting the dissolution of the bicarbonate of soda in the tank, consisting of a crank-shaft 50, with one end pivoted in the bearing 51, secured to the pipe 45 and the other end extending through the bearing 52 in the end of the tank, with a handle 53 on it for partially rotating said crank-shaft. The crank portion of said shaft approaches the bottom of the tank a proximately and a spiral spring 54 surrounds it and is secured to it to provide a flexible means for engaging the inner surface of the tank and agitating all the particles of soda therein.
What I claim as my invention, and desire to secure by Letters Patent, is-
1. In a chemical fire-extinguishing apparatus, a tank containing the fire-extinguishing fluid, a bottle containing acid, a hammer within the tank for breaking said bottle, a stationary tube extending into said tank, a gear pivotally secured to said tube and to which the hammer is secured,. a rotary rod extending through. such tube, a gear on the lower end of the rod that meshes with the other gear, and a handle on the upper end of said rod for actuating it.
2. In a chemical fire-extinguishing apparatus, a vehicle, a tank for the fire-extinguishing fluid mounted thereon, a tube secured on said vehicle on each side of said tank, a smaller tube telescopically extending from each end of said tubes, transverse handles connecting the outer ends of said telescoping tubes, stops for limiting the withdrawal of said telescoping tubes, and a spring-stop on said larger tubes for holding said smaller tubes in their outward position.
In witness whereof I have hereunto aflixed my signature in the presence of the Witnesses herein named.
JOHN T. OBENCHAIN.
Witnesses:
GRACE MURPHY, 4 NELLIE ALLEMONG.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17274303A US826268A (en) | 1903-09-11 | 1903-09-11 | Chemical fire-extinguishing apparatus. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17274303A US826268A (en) | 1903-09-11 | 1903-09-11 | Chemical fire-extinguishing apparatus. |
Publications (1)
Publication Number | Publication Date |
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US826268A true US826268A (en) | 1906-07-17 |
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ID=2894748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US17274303A Expired - Lifetime US826268A (en) | 1903-09-11 | 1903-09-11 | Chemical fire-extinguishing apparatus. |
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US (1) | US826268A (en) |
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1903
- 1903-09-11 US US17274303A patent/US826268A/en not_active Expired - Lifetime
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