US 1293850 A
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Description (OCR text may contain errors)
APPLICATION FILED AUG.22.1917.
, 1,293,850. Patented Feb. 11,1919.
AUGUST MA'ZCHIS, F CHICAGQ, ILLINOIS.
FIEiE-EXTINGUISHERt Specification of Letters Patent.
Patented nee, ii, ieie.
Application filed August 22, 1917. Serial No. 187,524.
I '0 all whom may concern:
Be it known blliiiliili, Aneusr MATHIS, a citizen of the United grates of America, and aresideut of Chicago, in the county of Cook, State of lllinois, have invented certain new and useful improvements in Fire-Extinguishers, of which the following is a specification.
This invention relates to that type of portable lire-extinguishers in which the extinguishing solution of carbon-tetrachlorid or the like is forcibly ejected from a tank or reservoir by a pressure of air produced in said reservoir by an attached pump, and the present improvement has for its object:
To provide a structural formation and association of parts whereby the eduction nozzle or passage from the reservoir is kept in constant communication with the fluid regardless of the position of the reservoir, and without the necessity of valved mechaiisms, as the reservoir is manipulated in actual use to reach an incipient confiagration.
in the accompanying draw1ng:.
Figure 1, is a central sectional elevation.
of a portable fire extinguisher to which th present invention is applied. I
Fig. 2, is a bottom View of the same. Fig. 3, is an enlarged detail section of the V flexible tube.
The same reference numerals indicate like parts in the several views.
Referring to the drawing, 1 designates a closed .tank or reservoir of any usual and suitable form, and adapted to contain a fireextinguishing solution of carbon tetrachlorid or the like.
Q'designates the usual-air pump arranged as a fixture at one end of the reservoir 1 and adapted for manual-actuation to create a pressure of air Within said reservoir, as usual in the present type of ap aratus.
3 designates the outlet or e uction oriiice or nozzle of the apparatus closed by a stop valve i of any suitable form, preferably of the sliding type shown.
5 designates a flexible tube or conductor cornmunicathig one end with the outlet nozzlefi aforesaid, and atits free end provided with a mobile sinker 7 hereinafter described in detail and by which the free end of the tube 5 is maintained in a submerged condition in the liquid. The tube or conductor 5 is preferably formed by an outer tubular member of closely Woven fabric and an inner coiled spring or like re-inforce 6,;
affecting the required flexibility of said tube or conductor.
7 designates the sinker above referred to, and which is attached to and encircles the free end of the tube or conductor 5 aforesaid. In the present improvement said sinker comprises a weighted portion 8 arranged at or near the free end of the tube or conductor 5, and a lighter portion 9 arranged remote from said tube end, as shown in Fig. l. The aforesaid buoyant portion is preferably formed by an air filled semi globular shell 10 of celluloid or the like.
The described arrangement of the sinker 7 is such that the free end of the tube or conductor 5 will be maintained at or near the lowest part of the fluid contents of the reservoir 1 regardless of the position in which the apparatus may be held by the user in actual use.
Having thus fully described my saidinversion what I claim as new and desire to secure by Letters Patent, is
1. In a fire extinguisher, the combination of a reservoir having an outlet-orifice, a flexlble tube communicat ngat one end with said orifice and arran ed within said reservoir, and a mobile sinier attached to the free end of said flexible tube and comprising a conical weighted'portion located at or near the free endof the flexible tube and a lighter portion located remote from said who end, the sinker being adapted to maintain said free end of the tube in an immersed condition regardless of the posifree end of-seid flexible ture and compristion in which the reservoir is held, substaning a. weighted portion located at or near the 10 tially as set forth. free end of the flexible tube and a buoyant 2. In a fire extinguisher, the combination portion located remote from said tube end aofareservoir having an outlet orifice, a flexisubstantially as set forth,
ble tube communicating at one end with Signed at Chicago, Illinois, this l5thday said orifice and arranged within said reserof August, 1917. v voiz', and a mobilesinker attached to the AUGUST MATHIS.