US140550A - Improvement in cooking-ranges - Google Patents

Description

N. M. SIMONDS.

Cooking Ranges.

Patented July 1,1873.

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NATHANIEL M. SIMONDS, OF ST. LOUIS, MISSOURI. l

IMPROVEMENT IN COOKING-RANGES.

Specification forming part of Letters Patent No. 140,550, dated July 1, 1873; application filed Aprn 16, 1era.

To all whom 'it may concern:

Be it known that I, NATHANIEL M. SnvroNDs, of St. Louis,'St. Louis county, Missouri, have invented a certain lmprovement in Cooking- Ranges, of which the following is a specification:

The rst part of this improvement consists in providing a cooking range or stove with a tubular or hollow bearing-bar, extending from end to end of the range, and open at the ends so as toallow a current of air to traverse it. The air may traverse it from end to end, or may enter at the ends, and discharge at one or more points between the ends, the purpose of the air-current being mainly to keep the bearer suiiiciently cool to prevent it burning out or warping. In the preferred form of construction the hollow bearing-bar has an orifice in the lower side, over the fire-space, to allow the exit of air at that point; and at the middle of the orifice is a transverse deflector to direct the air-currents from the end downward upon the fire. The second part of the improvement consists in forming the top plates of the range or stove in sections, divided at the middle, so as to prevent all objectionable warping of the said plates; such warping always occurring when the plates extend from side to side, as heretofore. The inner edges of these plates are supported on the bearing-bar.

ln the drawings, Figure l is a top perspective View of the improvement. Fig. 2 is a bottom perspective View of a portion of the same, with parts of the range broken away.

A is an end plate of the range or stove, and B is the other end plate. C is the lirespace, and D the lire-back. E is the top oven plate. F is a bridge or bearing bar, which is made tubular, having interior passages ff', the former of which extends through the plate A, and the latter through the plate B. These passages discharge over the tire-space through openings f, at which place is a deflector, G, directing the in-flowingair-currents downward upon the re. The improvement is shown as applied to a single-oven range, but is equally applicable to one having two ovens, and a fire-place located centrally. As shown, one end of the bearing bar or bridge F is fixed to the oven-plate E, and the other end, F', extends over the nre-space to the end plate A. The end F of the bar F is removable,

yone end of F being supported bya rabbetjoint on the main part of the bar, and the other end supported by anges a extending inward from the margin of the orifice f in the plate A. The covers h are supported in top plates H Hf, supported at the middle upon the bearing-bar F; the inner edge of the plate H bearing directly upon the bar F, and the edge of H having a rabbet-joint rest on that of H. The top of the bar F is preferably formed into a rib, f", on which the top plates rest.

The tubular bar F is shown as joined to the crown-plate of the oven, along the whole length of the latter; but it may be made without continuous connection, transverse apertures being introduced between the bar and the plate.

The bearing-bar F may fulfill two distinct functions: First, it supports the inner edges or middle of the top plates; and, second, it may give a'supply of heated air to the lire, so as to cause the consumption of smoke. Its tubular form admits the passage of air which may be allowed to enter the rechamber, and which, in any case, prevents the bearer attaining a temperature sufciently high to cause the springing or distortion of the bar.

I have shown and described my improve` ment as constructed in the preferred form; but it admits of various modifications, for instance, instead of making a large orifice over the fireplace, the tubular bearer may be perforated all along the sides and on the bottom of the part F, over the fire-place, or even upon the upper side and have exit through the top; or the bearing-bar F may be made imperforate, and the air be allowed entrance and exit at both ends; or the air may be made to traverse the bar from end to end by connecting one end with the chimney, or providing one end with an upwardly or downwardly curved pipe, so as to give to one end a higher point of discharge than the other end, and so cause a current of air toward the end having the higher discharge.

It is found, in practice, that the draft of the chimney prevents any discharge of the pro- F, the orifices f and deflector G, arranged substantially as set forth.

3. The combination-of the longitudinal hollow bearing-bar F and top plates, made in two portions, H H', receiving support at the middie upon the bearing-bar, substantially as set forth.

NATHANIEL M. SIMOFDS.

Witnesses SAML. KNIGHT, ROBERT BURNS.

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