US47423A - Fire-place - Google Patents

Description

Patented April 25, 186@ E m M M. A h m. IJ D.. m l e m H W w NITED STATES PATENT OFFICE.

WILLIAM H. JAMES, OF CINCINNATI, OHIO.

FIRE-PLACE.

Specification forming part of Letters Patent No. 47,423, dated April 25, 1865.

do hereby declare the following to be a full,

clear, and exact description thereof, reference being had to the accompanying drawings,

'making part of this specification.

My invention relates to form of open tireplace and grate which combines the advantages of the most active and equally distributed draft Aand combustion in every part of the grate and of the most effect-ive radiation and conduction oi' heat, together with cornplete utilization of iuel and permanence of those parts which in the common forms are liable to burn out.

` Figure l is a perspective view of my improved fire-place. Fig. 2 is a longitudinal section thereof. Fig. 3 is a transverse section immediately in rear of the mantel.

rIhe front or mantel may be a single casting ot' the form repre-sented at A. The said casting may have projecting from its rear side customary studs, a, and lugs af, for the attachment of the back and suspension of the grate, respectively.

My tire-back B is niche-formed, its horizontal section being semielliptical, and its upper part being arched forward to meet the mantel in manner substantially as represented in Fig. 2. b are lugs near its front margin, which receive the studs a, projecting from the mantel,

said studs being secured behind the said lugseither by riveting or the application of screwnuts b. A smoke-ventage, C, is provided near the upper part of the back. My lire-back may, like the mantel, consist of a single casting.

The third and remaining piece, which constitutes my tire-place, is the grate which belongs to the class known as basket-grates,77 and has certain peculiarities of form, which, in combination with the fire-back, insures perfeet combustion and access of draft at every part. The said grate is lenticular or double convex in its horizontal section, said section being bounded by two circular or elliptical arcs, of which the rear one is concentric with the concave surface of the fire-back, while the iront arc is somewhat tlatter. The grate is low in front, its two front bars, D and E, being arcs of horizontal circles or ellipses, and its rear margin being formed of a convex and arched bar, F, whose extreme upper edge is made to tit and rest against the concavity of the tire-back, and is crenated or indented with notches G, for admitting finely-divided jets ot' heated draft-air to the smoke and ilame. `Depending from the bars E and F are asuitable number of longitudinal bars H, which form collectively the represented convex bottom, and whose rear edges slope away from the tire-back, so as to secure at all times a perfectlyunobstructed draft-passage to all parts ofthe i rear, ends, and top, as well as of the front of the tire. This perfect access of air, together with absence within the grate of the usual dead corners77 for accumulation of ashes, and the free-escape provided for the latter at every part, secure a perfect and active combustion throughout.

A marked advantage of my invention consists in the comparative exemption from burning out77 of those parts of the grate and fireback usually subject thereto, such exemption being' due to the access of air to every part;

Aand incidental to this is yet another advantage, in the fact that no part of the tire-back becomes so intensely heated as to be inapplicable for air-warming, and consequently theentire space in its rear, save that required for the smoke-flue, may be a hot air chamber capable of being made available for warming the same or other apartments by any customary arrangcment of pipes and registers.

It is intended that the lire shall be built sloping upward from the bar D to the bar F,

F, and G, the same being formed, combined,

and adapted to`operate in the manner set forth. In testimony of which invention I hereunto set my hand.

WILLIAM H.` JAMES. Witnesses:

Gno. H. KNIGHT,

J AMES H. LAYMAN.

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