US45883A - Improved stove-grate - Google Patents

Description

G. W. WALKER.

Stove Grate.

No. 45,883. Pateritd Jan. 10, I865.

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Specification forming part of Letters Patent NO. dfifiFt. dated January 10, 1665.

T0 Cl/ZZ whom it may conce n- Be it known that l, GEORGE W. WALKER, of Boston, in the county of Suffolk and State of Massachusetts, have invented an Improvement in Stove-Grates; and Ido hereby declare that the following. taken in connection with the drawings which accompany and form part of this specification, is a description of my invention sutlicient to enable those skilled in the art to practice it.

This invention relates to the construction of stoves with hinged or jointed grates; the object of the invention being to so construct and apply the grate, that while it is capable of letting down from the front of the stove it shall also be capable of being reciprocated horizontally to clear the fire-pot from ashes, both of these purposes being effected by my construction without liability of the movement of the grate being obstructed by the wedging of coals between the outer boundaries of the grate and the adjacent parts of the stove.

The invention consists in so constructing and applying a grate hinged at its rear side and so far from the front that it may be re ciprocated lengthwise of the fire-pot to clear the grate from coals and from ashes.

The drawings represent a grate and such adjacent parts of a stove as embody and serve to illustrate my invention.

Figure 1 shows a reversed plan of the grate; Fig. 2, a vertical section on the linear x of Fig. 1, and Fig. 3 a vertical section on the line .2 z of said Fig. 1.

a denotes the grate; b, thefire-pot c, the ashpit; d, the fire-pot lining. Each end bar, 0, of the grate, is made of greater width than the other bars, such width being sufiicient to prevent the outer edge of the bar from being projected beyond the edge of the lining 01, above it or beyond a projection, 0, upon which said lining rests when the grate is shaken. The back bar, f, has journals 9 projecting from its opposite ends and in line with said bar, these journals being supported in bearings, h,as seen in Figs. 1 and 3. The journals are so con structed and so arranged with respect to the bearings as to permit a free longitudinal horizontal movement to the grate, the front bar of the grate resting during the movement upon the shaker i, by which the reciprocations are produced.

By withdrawing the shaker the grate falls, as seen by dotted lines in Fig. 3, and, it will be readily observed, neither in the letting down of the grate nor in the reciprocating movements imparted to it is there any chance for obstruction of its free movements by the coals.

It is well known that with grates as heretofore constructed to move horizontally, while at the same time having a capability of turning vertically upon journals to clear the grate from ashes and coals, this vertical movement has been from journals placed somewhere between the baek and front bars of the grate, the rear part of the grate risinginto the fire-pot, while the front part fell into the ash-pit. The weight of the coal and ashes upon the back part of the grate and the wedging of the coal between the bars and the lining of the firepot will, at almost all times with such construction, prevent the easy falling of the grate, and causes much difficulty in clearing out the fire-pot. This difliculty is fully obviated by my construction, as will be readily understood from the above description, the sliding movement of the grate presenting no 'hinderance to its turning upon itsjournals,nor this latter movement to its easy reciprocation.

I claim 1. A stove-grate having capabilities both of horizontal reciprocation and of vertical swinging movement, when the grate is hung at its rear side to allow these movements, substantially as set forth.

"Witnesses:

J. B. GRosBY, FRANCIS GOULD.

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