US720401A - Stove-plate. - Google Patents

Description

' 110.720,401. PATBNTBD PEB.10,'1903.`

' L. W'. BROWN. sToVB' PLATE.

APPLIULTION FILED. IAB.. 17, 1502.

I0 MODE-L.

UNITED STATES PATENT OFFICE.

LEWIS W. BROWN, OF ST. LOUIS, MISSOURI.

STOVE- PLATE.

SPECIFICATION forming'part of Letters-Patent No. 720,401, dated February 10, 1903.

Application filed March 17, 1902. Serial Nol 98,624. (No model.) l

T0 all whom it may concern:

Be it known that LLEWIS W.BROWN,a citizen of the United States, residing at St. Louis, in the State of Missouri, have invented certain newandusefullmprovementsinStove-Plates; and I 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. l

This invention relates to stove-plates, and more particularly to that class used in con. nection with gas or oil stoves, wherein the cooking utensils are subjected to the direct action of one or more annular iiames, the'object of the invention being to provide a construction wherein the iame will be spread, so that the heat will be distributed over the bottomvof the utensil.

A further object ofthe invention is to provide a construction which will notbe cracked by unequal expansion of the different portions thereof.

In the drawings forming a portion of this specification,and in which like numerals of reference indicate similar parts in the several views, Figure l is a top plan view of the plate. Fig. 2 is a central transverse section through the plate.4 Fig. 3 is a central transverse section through the plate in theplane of one pair` of spokes ofthe members.

Referring now to the drawings, there is shown a plate comprising two major members or parts 5 and 6, of which the member 5Comprises an outer ring 7 and an inner ring 8, said rings being concentric and being sections of hollow cones of very little altitude, sothat the upper and lower faces are both slanted and the outer edge of the upper face of the inner' ring 8 is slightly below the inner edge of the upper face ofthe outer ring 7. Furthermore, it will be noted that the outer edge portions of the rings are thicker than the inner edge portions, the outer edge of the lower face of the inner ring extending below the inner edge of the lower face of the outer ring, so that a draft passing inwardly againstthe under face of the outer ring will strike theouter edge of the inner ring. The two rings are held rigidly together by spokes 9, which project upwardly from the upper faces of the rings and form 'respond to the different conical sections.

y formed also a downwardly-directed flange 14,

which is, in effect, a continuation of the iange l0, and which flange 14 is provided with downwardly-directed supporting-feet.

The inner or minor memberof the stoveplate consists of two concentric rings or conical sections 16 and 17, similarto the rings 7 and 8, and a central disk 18, concentric with said rings, the outer'portion of the/upper face ofthe disk beingslanted, as is also the outer portion of the under face of the disk, to cor- In thecentral portion of the disk is a perforation 19, and the upper face of the disk di- :rectly adjacent to the perforation is flat,while from the under side of the disk and at the edgeof theV perforation is formed a depending flange 20. The rings and disk of the minor member are connected by radial spokes 21,which are adapted to aline with the connecting-spokes of the rings of the major member, said spokes 21 projecting slightlybeyond theouter ring of the minor member for engagement in sockets 23 inthe upper face of the ring 8 to support the inner or minor member, so that the several rings of the two members will have ,thesame correlation.

When thepresent plate isdisposed upon theY stove and a cooking utensilA is placed thereon, said utensil rests upon the upwardlydirected flange and spokes or ribs vand is supported above the upper faces of the rings. The ame from the stove is carried over the vspaces between the rings by the draft which passes from the center outwardly, and the heat rises between the rings with a comparatively even distribution.

The stove-plate is made of iron, preferably, and of cheap cast material, and were itV made in asingle piece would be liable tocrack, owing to inequalities of heat at different points of the plate. By forming the two members IOO separate each may expand and contract independently of the other, so that cracking is prevented.

In practice modifications of the specific construction shown may be made, and any suitable materials and proportions may be used for the various parts without departing from the spirit of the invention.

NVhat is claimed is- 1. Astove-platecomprisinginnerandouter members loosely assembled and each comprising a plurality of connected rings separated by heat-passages extending entirely through the plate.

2. A stove-plate comprising innerand outer concentric members, the inner member having radiating spokes slidably engaged with the outer member.

3. A stove-plate comprising a plurality of conical sections mutually connected at points and separated at other points by heat-passages extending entirely through the plate, the outer lower edge of each section depending below the inner low edge of the adjacent section.

4. A stove-plate comprising a plurality of concentric conical sections separated by interspaces, the upper and lower faces of each section converging in the direction of the axis thereof.

5. A stove-plate comprising a plurality of hollow conical sections separated by interspaces and disposed concentrically with the outer and lower edge of each section below the inner and lower edge of the adjacent section,

LEVIS W. BROWN.

lVitnesses:

P. P. TAYLOR, L. E. TALLEY.

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