US111031A

US111031A - Improvement in fire-bars

Info

Publication number: US111031A
Authority: US
Publication date: 1871-01-17
Anticipated expiration: 1888-01-17

Description

if@ h h v @fm N,PEYERS, FNOTO-LITHOGRAPHER, WASHINGTON, D C.

1 tiniied 51am @anni mijn.

WILLIAM BATCH-FLOR, 0F WIN CHESTER, ENGLAND, ASSIGNQR TO EDWIN RUSS AND vTHOMAS'SHEWELL MORRIS, OF SAME PLACF.

i Letters ,Patent No. 111,031, dated January 17, 1871.

IMPROVEMENT lN FIRE-BARS.

The Schedule referred to in these Letters Pei-tent and making part oi the same.

, To all to whom it may concern:

in such a way that the upper part, which is more directly exposedl to the heat, may be replaced when burnt away or unt for use, while the other or lower part maylast and be `available for a very much longer time.

The upper and lower parts are dovetaled or otherwise suitably' joined together by projections on one itting. into corresponding cavities on the other in such' a way that the fit is quite loose and easy when the bar is cold, but suiiiciently tight, when the bar is hot, toprevent warping or other inconveniences, the upper part expanding to a greater extent than the lower.

The under part, where itis joined to the upper part, may be'scallopcd, cut out, notched, or perlbrated, for the air to pass right through. The lower part may be hollow, or in two parts or sides, with a space between.

In the accompanying drawing- Figure l is a side elevation, and

Figure 2, a vertical cross-section of my simplest form of fire-bar, c being the upper part and b the lower part, which here is made in one piece; the two are joined together by projections on one litting into a correspondingdovetail cavity on the other, as shown.

Figure 3 is an elevation oi' the upper part of a firebar, of a somewhat different construction.

Figure 4 is an elevation, and

Figure 5, a plan of the ,corresponding lower part, which is east hollow, as shown.

rlhe three lugs c c c tit loosely'in between the two sides of b, and the upper ai1cl1o\vexypa1'ts are joined by split keys l l d, passing .through the holes ce ,e and the lugs c c c.

lhe air, entering into the cavity between the two sides of thelower part, passes ont through the small holes formed between the upper part and the notches in the lower part, and, by interiningling with the burning .elements of the fuel, causes perfect combustion, without leaving any clinliers, thereby causing a great saving in fuel.

The bar when joined and ready for service is shown in outside elevation by Figure 6, 'and in cross-section by Figure 7.

rlhe remaining figures, 8 to 13, show a'nethcrniodilieation in various views;

Figure 8 being an elevation of the upper part, and

Figures 9 and l0, elevations of each side, composing the lower part. Y

Figure il1 is a plan of one ofthe sides.

From figs. 9, l0, and 11 it will be seen that the two sides b and bnre joined by corresponding dovetail pieces rlhe hook-shaped projections g r/ g catch hold ot' corresponding lugs on one oi the sides, and thus the `upper and lower parts are joined, as shown in Figure 12.

The notched upper edges oi the bearing-bars b serve as a support'to the fire-bars a, and allow a free circulation of air, to'prevent the bearing-bar becoming too hot.

The elongated holes for the keyed allow for any motion that maywarisc from expansion or contraction.

I elailn as niy invention- I. The bearing-hars 1),. with notched upper edges, upon which the under side ol the fire-bars c rest, as and for the .purposes set forth.

2. The elongated openings c and keys d, combined with the bars a, bearers l), and projections upon the said bars c, as and for the purposes set forth.

` WILLIAM BATCIHIELOR.

Witnesses: l t W ILLIAM H. Wooninnvon, F. BROWN.