USAI166I3 - Press - Google Patents

Description

JOEL BARNS, OF PHILADELPHIA, PENNSYLVANIA.

STANDING PRESS.

Specification of Iietters Patent No. 166, dated April 1'?, 1837.

To all whom t may concern.'

Be it known that I, JonL BARNS, ofthe city of Philadelphia, State of Pennsylvanla, have invented a new and Improved .Standing Press to be Used for the Pressing of Every Kind of Article to which such Presses are Adapted; and I do hereby declarel that the following is a full and exact description thereof, reference being had tothe drawings which accompany and make a part of this specification.

A, A', are the bottom and top plank, or plates, of the press, forming a part of its frame. y

B, B', are rods of iron passing through the top and bottom plates, and firmly secured to them by screw nuts, or otherwise.

C, C, are two screw shafts, each of them having' a right handed screw at one end, and a left handed screw at the other, a blank space, not formed into a screw, being left between them. These screw shafts pass through the plate A', and revolve within a suitable collar; they alsoA revolve in steps D, D, at their lower ends. A toothed wheel, or pinion, not seen in the drawing, is rmly lined on each of these shafts, just above the upper plate A', and a horizontal shaft, F,K

carrying two endless screws G, Gr, which mesh into the wheels orpinions upon the screw shafts C, C, when turned by means of the winch H, or by a wheel and pinion, or any other suitable gearing, causes the screw shafts C, C, to revolve.

I, I', are two platens, jor followers, having nuts, `or screw boxes, on, or within, them, adapted to the screws of the shafts; and it will be apparent that by the revolving -of the shaft F, these platens, or followers, will be made to approach toward, or to recede from, each other, Aas may be desired. A third platen, or follower, J, has a screw, K, attached to, and swiveling on it, in the manner of the ordinary screw press, the female screw, or nut, within which -it works, being fixed in the platen I; the u per end ofthis screw passes freely throng a hole in the center of the upper plate A. The use of this platen is to save time by the ease and rapidity with which it may be raised, or

lowered, instead of raising, or lowering, the

the greatest facility, I usually make the thread of the screw, K, considerably coarser 'than that on the shafts C, C, the power of the press being dependent, in a greatmeasure, upon the cutting the latter as ne as is compatible with the necessary strength.

It has not been thought necessary to give 'any particular dimensions, or the proportions of the respective parts to each other, as these will vary with the purpose to which the press is to be applied, and can be duly adjusted by any competent workman.

aving thus fully described the construcvtwo platens rst named. To e'ect this'with tion of my newly invented press, and the manner in which the same operates, I do hereby declare that I do not intend to claim the mere application of a shaft withA a right and a left handed screw upon it, or either ofthe parts of the press described, taken individually and alone, as my invention,"

these being well known as elements of other ing right and left handed screws, turned by a gearing constructed end arranged substantially in the, manner herein described, while vthe third 'platen is raised, and lowered, by means of anv independent screw, i'n the manner herein fully set forth.

JOEL BARNS.

Witnesses:

, JOHN W. MURPHY, V(haas. R. WAT'rsoN.

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