US933385A - Lamp. - Google Patents

Description

J. R. MoKAY.

LAMP. APPLIOATION FILED MAY 25, 1908.

Patented Sept. 7, 1909.

20 plate with air inlet openings disposed be- 45 at least of the side wall of the, fuel reservoir UNITED strArras 1 JOHN R. MCKAY, OF J'OLIE'I, ILLINOIS, ASSIGNOR OF ONE-THIRD TO BENJAMIN H. KING TENT OFFICE.

AND ONE-THIRD TO JAMES C. DAVIDSON, BOTH OF JOLIET, ILLINOIS.

LAMP.

Specification of Letters Patent.

Patented Sept. 7, 1909.

Application filed May 25, 1908. Serial No. 434,982.

To all whom it may concern:

Be it known that I, JoI-IX"R."MCKAY, citizen ofthe UnitedrStates, residing at Joliet, in the county of Vill and State of Illinois, have invented certain new and useful Improvements in Lamps, of which the: following is a specification.

My invention relates to a lamp in which a liquid hydrocarbon is used, particularly to a lampof tubular construction; and the objects of my improvement are, first, to .pro-' vide a lamp that' may be supplied to the trade ready to light; second, to afford a lining of capillary material to absorb liquid fuel and cover the lower surface and at least part of the side wall of the fuel reser voir; third, the provision of means for inserting and lighting a match to light the lamp; and, fourth, to construct a globe tween concentric walls.

With the above and other objects in view, my invention consists in the novel features and in the novel combination and arrangement of parts hereinafter more specifically described, illustrated in the accompanying drawings, and particularly ointed out in the claims hereunto appended In describing the invention in detail, reference is had to the accompanying drawings forming a part of this specification, wherein like numerals of reference indicate correspondingparts throughout the several views, and "in which- Figure 1 is an elevation part-ly'in section. Fig. 2 is a cross section, on line 2-2 of Fig. 1.1 3 is a perspective view of globep ate. .Referring 'to the drawings by reference numerals, 6 denotes the fuel reservoir of the lamp, 7 the burner, 8 the lobe-plate, 9 the glass chimney, 10 the air tu s .and 11 a bail.

For the urpose of alfording an oiled. linin or shield for the bottom 12 and part I rovide an absorbent disk 13 with an annu ar turned up portion 14." The absorbent disk may be of any suitable or desired capillary material capable of taking up and hold-. ing an oily substance against one surface of the bottom. of the.bow -or reservoir of the lamp, for example a woven fabric of cot-ton. The lower surface of the disk may be treated with paraflin or other-oleaginous substance.

any cause, and as a cover the disk will render impossible the accumulation of sediment upon the upper or inner surface of the IGSQJ'VOIIX, v

\Vith a view to providing suflicient capillary material to take up a considerable quantity'of a liquid h drocarbon, lamp wicking 15, is folded, (as s own in Fi 1 in section),

and closely packed to neary or quite fill the reservoir and rest upon the disk 13.

Preferably the wickin is m one continuous strip folded in a suita le manner to fill the reservoir, with one end 31 wick-tube as. This filter-like feed of. oil gives improved results in operation.

The base flange 16, supports base plate 17, the apertures '18 in each register and admit atmospheric air between the collar 19, and the annular shield or collar 21. The flange portion 20 affords a seat for the globe 9.

. To provide efficient construction for lighting .in the case of a. portable lamp or lantern, the collar 21 has a segmental match-scratching surface 22. The slide 25 in slide-way 24 is disposed between the plate 23 and the col- .lar 19, and carries an outer finger piece 26 and a top 27 to limit the movement of the slide. The milled wheel 29 on the stem of the usual wick-raising wheel affords the common means of raising and lowering the wick.

The crowning portion 30 of the burner performs the usual functions. I

In operation whenthe lamp is sold with the absorbent disk and wickinglafully saturated with the desired'liquid ydrocarbon, the slide 25 is moved far enough to insert a match and scratch it on the surface 22, when the flame can be applied to, the wick and a light produced whether the lamp is in a inserted in the shielded place, or out in a storm and unprotected from blasts of wind. The function of the shield .or collar 21 is E; revent.the in coming air causing an uns a y flame. The outer flanged ortion 20 of collar 19 permits the use 0 any globe without grinding, and therefore, at a lower relative cost.

By the use of an absorbent disk, as hereinbefore set forth, a cheaper grade of metal may be em loyed in the manufacture of bowl or fue reservoir without oxidation of plate comprising a base-flange, a base plate, an outer externally flanged collar and an inner collar carried by the base plate, the base-flange and the base plate having registering apertures between the collar and the shield to admit atmospheric air therethrough.

In testimony whereof I aflix my signature in presence of two witnesses. 5

JOHN R. McKAY.

Witnesses:

S. ELvA KELLOGG, WM. T. UrroN.

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