US67845A - John m - Google Patents

Description

J. M. GAYOE. PORTABLE FORGE.

No. 67,845. 4 Patented Aug. 20, 1867.

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JOHN M. CAYCE, OF FRANKLIN, TENNESSEE.

Letters Patent No. 67,845, dated August 20, 1867. i

IMPROVEMENT IN PORTABLE FORBES.

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.TO ALL WHOM, IT MAY CONCERN:

Be it known that I, Join M. CAYCE, of Franklin, in the county of WilIiamson' and State of Tennessee, have, invented a new and improved Portable Forge; and I do hereby declare the -following to be a fit, clear,- and asset description of the same, reference being had to the accompanying drawings, forming part of this specification, and in which- Figure 1 is a side elevation of my invention. Figure 2 is a. transverse vertical section of the same. Similar letters of'reference indicate corresponding parts in the two (igures: In this inyentiou the ,blast is obtained from fans situated beneath the forge, and worked by a treadle. In order that othersskilled in the art to which my inrention appertains 'may ma ke and use the same, I will proceed to describe it indetail.

In the drawings, A A represent the legs of the table which holds the forge, strengthened by arched braces B B. C is the table, which is made of iron or other suitable metal, and contains the fire-pot D. E is a shaft, running on bearings at the top pt the arched braces B B, and carrying at it's extremities the fan-wheels F F. G is another shaft, situated below the first, running in bearings at the crown ofvthe arch B B", and worked by a treadle, H, which extends across between the front legs of the table. A belt, 1, connects the pulleysg and e, the former on the shaft G, the latter-on the shaft E,'comrnunicating the. power applied at the tr-eadle to. the fan-wheels. K K are pipes or ducts, extending from the upper part of the case which encloses the fans to the'sid'es of the fire-ppt D at k,k,'and conducting the currents of air from the fan-boxes to the firc-potJ ,J'Beneaih the table is a horizontal shelf, L, for convenience in holding tools, materials, &c., which are to be used about the forge. The outer plate M of thc fan-boxes slides at one side under the edge of thejwall of the tube K, and is -confined at its opposite side by a button, m. By this means the plate M can be removed at any time for the purpose of adjusting or repairing the fans. The several parts of the frame of the forge thus constructedrnay be cast in one piece. The table C may be of sheetiiron. The tans bokes, and wind-tubes maybe all of tin. The shelf L-msy he of.tin or sheet iron. Thus all the parts of the instrument may be o't' the lightest and cheapest materials. The apertures It It, at which the air is discharged into the fire-pot,-are designed to be opposite each other, and to discharge the currents in such adirection that they shall meet in the centre of the fire-pot.

I do not intend to limit myself to the use of two -apertures is in, but may have any number, a dozen if I desire it, which upon experiment may prove to be best adapted to the efficient working of the forge.

Among'tho merits of a forge of this construction may be mentioned, not only its exceedingcheapness, lightness, andsiniplicity, all of which will be apparent at a glance, but the regularity with which the blast is gcncratcd,(and the manner in whiclrit reaches the fire. Two great defects in the portable forge worked by a bellows are, first, that thehlast furnished by a bellows is always irregular, and especially so in a portable forge, where the apparatus is small, and can contain but little airat once; a'nd,secondly, that, from the same reason, the apertures corresponding to k k, whence-the blast is discharged upon the fire, must be smulhand the stream of air that reaches the tire correspondinglysmall. In my forgo these defectsdo not exist. The airis supplied with perfect regularity,- and inany required quantities, and the apertures It It maybe of any size required. I have found in practice that the heating power of my forge is very much greater than that of the common portable forges, for the reasons specified. 'Again, the ,bellowsin most forges require the use of one hand of the operator, which seriously incommodes him in his work. With mine, on the contrary, both hands'are at liberty, and the treadle, being made long. enough, the feet may be shifted and rested at pleasure without the slightest interruption to the work. Either the fanqvheels or the pulley 9 may be made heavy enough to operate as flywheels if desired, or separate fly-wheels may be attached. i Having thus described my invention, what I claim as new, an d desire to secure by Letters Patent, is-- V n a portable forge of the firepot D, the side tubes K K, discharging currents of air that The arrangement i i p I e fire-pot, with the fans F F, the treadlc H, and the tool-shelf L, substantially as and meet at the centre of th for the purposes specified. V

To the aboire specification of my improvement I have signed my hand this 24th day of May, 1867.

' JOHN M. C AYCE.

g, Witnesses:

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