US879268A

US879268A - Shelf-grating for stoves, &c.

Info

Publication number: US879268A
Application number: US39593607A
Authority: US
Inventors: James Jamieson
Original assignee: Individual
Current assignee: Individual
Priority date: 1907-10-04
Filing date: 1907-10-04
Publication date: 1908-02-18
Anticipated expiration: 1925-02-18

Description

No. 879,268. PATENTED FEB. 18, 1908 J. JAMIESON.

SHELF GRATING FOR STOVES, &0.

APPLICATION FILED OUT-4. 1907.

JAMES JAMIESON, HAMILTON, ONTARIO, CANADA.

snnnr-ena'rmo FOR s'rovns, ac.

Specification of Letters Patent.

Patented Feb. 18, 1908..

Applioation filed October 4. 1907. Serial No- 395.936-

To all whom it may concern:

Be it known that I, JAMES JAMIESON, of Hamilton, in the county of Wentworth, Province of Ontario, Canada, a subject of the King of Great Britain, have invented certain new and useful Improvements in Shelf-Grate ings for Stoves, &c.; and I do herebydeclare the following to be a full, clear, and exact description of the same, reference being had to the accompan g drawings, forming a part of this speci cation, and to the figures and letters ofreference marked thereon.

This invention relates to metal gratings primarily adapted for use in the ovens of cook stoves, ranges etc., to form su porting shelves, the objects of the invention being to provide a light, strong and durable grating,

claims.

cheap to manufacture and not liable to be broken by rough usage, unequal and sudden changes in temperature etc.

The invention consists in a grating embodying a eri heral frame and bridging strips assem 1e and united together in. the novel manner hereinafter described and pointed out particularly in the appended In the accompanying drawingsFigure 1 is a perspective view of a grating or 'shelf' embodyin the present invention. Fig. 2 is a sectiona view taken longitudinally of one of the strips. Fig. 3 is a detail sectional perspective view showing the means for uniting the ends of the eri heral frame.

Similar letters 0 re erence in the several figures indicate the same parts.

The peripheralframe lettered A is formed of a wire rod preferably circular in cross section and bent to form the corners or angles A of the shelfor grating. The ends of the rod are abutted' at some oint in one of the straight sides and prefera ly near one corner and m a osition to be covered and inclosed by one o the bridging strips for a purpose whereby the strips will be firmly united.

thereto. As'before' stated the end of one of said stri s incloses the meeting ends of the edge ro and as shown in Fig. 3 the rod is notched and V-shaped recesses C are formed at points in proximity to the ends, a portion,

preferably the edges of the inclosing sleeve,

ormed by the en ingswaged into the notches as at D, thereby firmly connecting the ends together. By locating the joint ln'the edge rod in one of the straight sides but near one corner (the 'oint being indicated by the letter E in Fig. ll the chances of a severe bending strain ever occurrin right at the joint are greatly reduced.

To race and unite the parallel strips B and connect the same with the parallel sides of the grating one or more transverse strips F extend across the same. The strip F is preferably similar tothe stripsB and is united to the latter by a series of lugs or ears I) struck from the central portions of the strips B and bent around the edges of the strip F so as to closely and firmly embrace the same.

The whole structure is simple, may be manufactured cheaply and easily and with the sides dimensioned to fit in any oven without chan ing the formation of the structure, it only ein necessary to increase or diminish-the num eror length of the strips and to cordin ly.

Havmg thus described my invention, what I claim as new and desire to secure by Letters Patent,"is: I g l. Ashelfgratingforthepurpose described, embodying a substantially rectangular peripheral frame formed of a single metal rod with the ends connected together, fiat metal bridging stripswith the ends encircling opposite sides of the peripheral frame and a transverse strip engaging the bridging strips and having its ends connected w1th the dperipheral frame; substantially as describe 2. A shelf grating for the purpose described, embodying a substantially rectangular peripheral frame'formed of a metal rod with its a series of flat stri metal bridging stri s with the ends encircling opposite sides of e eripheral frame, one of said strips encircling both ends of the-rod to connect the same.

,of the bridging strip, be-

' ends located in one of 'the straight sides and 3. A shelf grating for the purpose described,

embodying a substantially rectangular peripheral frame formed of a metal rod w th its ends located in one of the straight sides p and having notches in proximity to said ends, and a series of fiat strip metal bridging strips with their ends encircling opposite sides of the peripheral frame, one of sand. strips encir- 7 scribed embodying a peripheral frame formed cling hoth ends'of the rod and being swage'd transverse flat metal strip connected With into the notches therein to connect the said the dperipheral frame and lugs connecting the It) ends. bri ging and transverse strips.

4. A shelf grating for the purpose de- JAMES JAMIESON I of a metal rod, a series of flat strip metal Witnesses: bridging strips with their ends encircling WM. BURROW, J12, opposite sides of the peripheralframe, a H. G. BAYLISS.