US1344867A - Miner's lamp - Google Patents

Description

A. COYNE AND L. HASH.

MINER"S LAMP.

APPLICATloN FILED APR. 19. 1911.

1 ,844,867 Patented June 29, 1920.

nl :zf Y@ UNITED STATES PATENT OFFICE.

ANTHONY COYNE AND LEE HASH, OF FORK RIDGE, TENNESSEE.

MINERS LAMP.

Specification of Letters Patent. Patented Jung 29, 1920.

Application filed April 19. 1917. Serial No. 163.149.

To all whom t may concer/a.'

Be it known that vwe, ANTHONY CoYNn f, and LEE HASH, citizens oi the United btates,

' residing at Fork Ridge, in the county of Claiborne and State ol' Tennessee, have invented certain new and useful Improve ments in Miners Lamps; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in. the art to which it appertains to make and use the same.

This invention relates to a new and improved lamp and more particularly to a lamp to be used by miners and the like when working in mines, tunnels, sewers and like dark places where the operators are required to wear lights upon their hats or caps.

One of the aims of this invention is to provide a lamp provided with means for generating a from carbid and water and provided with dual generating cham bers and means so as to render the lamp capable of being inverted or reversed so that when one of the chambers has become exhausted the other may be employed so that there is provided a continuous light and the miner or other workman will not be required to be in the dark when refilling the depleted chamber at any time before the chamber then in use has become exhausted.

Another aim of thisinvention is to provide means for establishing intercommunication between the generating chambers so that any excess gas will pass from one chamber to the other so as to equalize the pressure within the lamp and to also avoid any Waste of' the gas so that the gas can be subsequently utilized.

AAnother aim of this invention is to provide means for causing the water to be dripped upon the carbid drop by drop and which means is also adapted to be actuated in a manner for cleaning the water conduit should the same become clogged or fouled trom any cause, and to also provide means for the ready removal lof the generating chambers for eil'ectually cleaning the same of the slake carbid, and to also construct all of the conduits, such as gas pipes and the like, in a manner that the same will be incased within the lamp so that the same will not be exposed at the exterior of the lamp and subjected to the danger of being broken or otherwise injured by the lamp coming` into contact with surrounding obstructions and objects.

These and other objects and advantages will more fully appear as the nature of the invention is more clearly understood from the construction, combination and arrangement of the parts thereof as rfully described in the following specification, delined in the subject matter oi the claim, and illustrated in the views in the accompanying drawings, in which,

Figure 1 is a vertical sectional view, on line 1-1 of liig. 2, showing certain ofi the detail construction of the lamp.

Fig. 2 is a detail vertical sectional view, on line 22 of Fig. 1, showing a further detail construction of the lamp.

Referring to the drawings, wherein similar reference characters denote corresponding parts throughout the several views, 1 indicates one of the carbid chambers and 2 the other carbid chamber. These kcarbid chambers are open ended and are provided with exterior threads adjacent their open ends for threadingly engaging the respective internally threaded flange 3 and the internally threaded liange 4 upon the respective ends of the Water tank or reservoir 5, whereby the carbid chambers 1 and 2 are oppositely disposed to each other with their open ends facing each other and the water tank or reservoir 5 interposed therebetween. j

Extending substantially centrally through the reservoir o and having its ends projecting for a distance beyond the side walls 6 and 7 of the reservoir 5 and into the re spective carbid chambers 1 and 2 is the water conduit pipe 8 provided with the spaced valve bodies 9 and 10 for establishing a communication between the interior of the reservoir 5 and the water conduit pipe S, the passages through the valve bodies 9 and 10 being respectively controlled by the valves 11 and 12 provided with the valve stems 13 and 14 formed with the threaded portions 15 and 16 `which are threaded through `the internally threaded bosses 17 and 18 upon one portion of the side wall of the reservoir 5, the projecting ends of the valve stems 13 and 14 being provided with the angularly disposed operating handles 19 and 20, and diametrically opposite 21 through which the water is poured i'oi' filling the reservoir the nipple 21 having p threaded thereon the closure or cap In order to admit air into the reservoir when the water therein is being used tor the generation of gas, the aii pipe 23 is provided and is positioned and secured upon the inner side of the side wall ot the reservoir 5 at a point substantially midway between the bosses 17 and 18 and the filling nipple 21 and is open ended and extends from a point in proximity to the end wall (3 of the reservoir 5 to a point in proximity to the end wall 7 of the reservoir 5, but :it this point the end of the pipe is bent to provide the elbow 241i-, the end of which pros jects through the side wall ot the reservoir 5 thereby establishingcommunication between the interior of the reservoir 5 and the outside atmosphere.

Extending through the reservoir 5 at one side of and preferably parallel with the rater pipe 8 is the gas conducting pipe 25 having its ends suitably secured in the respective end walls G and 7 of the reservoir 5 and thereby establishing communication between the interior of the carbid chamber 1 and the interior of the carbid chamber 2, and intersecting and having connnunication with the gas conducting pipe is the later` ally extending burner pipe 2G projecting through the side wall of the reservoir 5 at a point substantially diametrically opposite the air pipe 25 and provided upon its pro` j ecting end with the burner 27 and suitably secured upon the projecting end ot the burner pipe 26 at the outer side of the, side wall of the reservoir 5 is the reflector 2S surrounding the burner 2T and for reflecting the rays of' light from the burner 2T.

In order to cause the water from the reservoir 5 which is conducted through the water pipe 8 into the respective carbid chambers 1 and 2 to be deposited upon the carbid within the chambers 1 and 2 drop by drop there is projected through the water pipe 8 the rod 29 of a diameter suiiicient to almost lill the opening through the pipe 8, but not suiliciently so to prevent the water jfrom passing through the pipe S to the chambers 1 and 2 in sufficient quantities for accomplishing the drop by drop result desired, and should the water pipe 8 become ionled or clogged from any cause, the ends ot the rod 29 which project outwardly of the ends of the water pipe 8 are provided with the laterally projecting curved ends and 31 whereby the rod 29 may be rotated within the rater pipe 8 for cleaning the same and also reciprocated in a manner for removing the fouling or clogging material.

For eiiiciently attaching the lamp to the hat or cap ot the workman there is provided upon the outer side of the side wall of the reservoir 5 and at a point substantially diametrically opposite the burner 27 the sleeve 32 having revolubly mounted therein the rod 33 having formed upon its opposite ends the sharp pointed hooks 34C and 35, the pointed ends o' which are directed inwardly toward each other but are disposed in planes substantially at right angles to each other, so that either the hook 34 may be swung outwardly for inserting in the hat or cap ofthe workman when the lamp is in one position, or the hook 35 may be swung outwardly for inserting the same in the hat or cap of the workman when the lamp has been placed in its inverted or reverse position, and in either instance the hook 34 or the hook 35, when the other is being employed, will lie flat against the outer surface of the wall of the reservoir 5. To prevent the lamp from swinging back and forth in a lateral direction when the same has been secured upon the hat or cap of the workman there is secured upon the sleeve 32 the transverse bar $36 which. is preferably provided with angular pointed ends for sticking into the leather or other band of the hat or cap of the workman.

rllhe operation and advantages of the device will be briefly described as follows: Assuming the lamp to be secured upon the hat or cap of the workman in the position shown in Figs.1 and 2 with the carbid contained 1n the chambers 1 and 2 and the requisite quantity of water within the reservoir 5, the handle 20 of the valve stem 14 is now rotated for opening the valve 12 whereby water will pass through the valve body 10 into the water pipe 8 and be dripped upon the carbid within the chamber 2 caused by the water trickling along the rod 29 and dropping off the curved end 31, whereby gas will be generated within the chamber 2 and pass upwardly through the gas conducting pipe 25, through the burner pipe 26 and to the burner 27 which is now lighted, and should there be any excess of gas in the chamber 2, the excess gas will pass onwardly through the gas conducting pipe 25 into the chamber 1, to be subsequently utilized as the same flows backwardly through the upper portion ot the pipe 25 to the burner 2T when the pressure has become somewhat diminished in the chamber 2 after the gaseous products 'of the carbid within the chamber 2 have been exhausted and before the light becomes dim. The lamp is removed from the hat or ca p of the workman by detaching the hook 3st therefrom and inverting the position of the lamp, the valve 12 being closed and the valve 11 opened by rotating its stem 13 through the mediuml ot the handle 19, whereby the water from the reservoir 5 will now pass through the valve body 9 into the vater pipe 8 and trickle down the rod 29 and drop from its curved end 30 upon the carbid in the chamber l, so that gas is now generated in the chamber 1 and passes outwardly through the gas pipe 25, the burner pipe 26 to the burner 27 for replenishing and supplying` the flame of the burner 27. However, should there be any excess gas in the chamber l the same will pass through the conducting pipe 25 into th`e chamber 2. The lamp can now be used for double the length of time that an ordinary lamp can be used and there is practically two lamps in one in this invention, and by causing the carbid chambers l and 2 to be in communr cation the pressure in the lamp is sufficiently equalized and the danger of explosion reduced to a minimum. Furthermore, the chambers l and 2 are readily removable from the ends of the reservoir 5 and due to their shape, which is preferably semicircular, the same can be readily cleaned of the slaked carbid and readily replenished with new carbid.

lVhile there is shown and described only the use of one burner 27 and its connecting pipe 26, the lamp may be supplied with two or more such burners and pipes by duplr eating the burners and connecting the same to the main gas conducting pipe 25.

Having described our invention, what We claim as new and desire to secure by Letters Patent, is

An acetylene lamp comprising a Water reservoir having opposite walls, a pair of opposite carbid chambers detachably secured to said walls, a tube connecting said walls and establishing communication between said chambers, a burner tube leading from said tube to the exterior, a Water feed pipe connecting said walls, and having openings near its opposite ends adjacent to said walls communicating with the Water reservoir, valves for said openings having operating means extending to the exterior of the water reservoir, and an air vent for the water reservoir extending close to said walls communicating at one end with the atmosphere near one of said walls and opening at its other end into the water reservoir near the other wall.

In testimony whereof we have signed our names to this specification in the presence of two subscribing Witnesses.

ANTHONY COYNE. LEE HASH.

J. W. SMITH.

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