US173504A - Improvement in tile machinery - Google Patents

Description

L. T.'SCOFIELD.

TILE-MACHINERY. I No. 173,504. Patented Feb. is, 1876.

IJV'VENTOR N FEIERS, PHOTO-UTHOGRAFHER. WASHINGTON, DV 0,

Unrrnn STATES PATENT Qr rcn LEVI rsooFInLn, or oLnvnL-ANnoHIo.

IMPROVEMENT IN TlL'E MAQHINERV.

Specification forming part of Letters Patent N0.173,504, dated February 15,1876; application filed a January 28, 1876. I r l To all whom it may concern Be it known that I, Lnv1 T. SooFIELn, of Cleveland, in the county of Ouyahoga and State of Ohio, have invented certain new and useful Improvements in Machinery for Making Tiles or Bricks; and I do hereby declare the- I for making tiles or bricks; and, in the instance shown in the drawings, is designed more especially for the purpose of making floor-tile and ceiling-tile.

My invention consists, first, in a peculiar press, whereby the clay is forced through the die, and in machinery which, by "a continuous motion in one direction, will cause the plunger to advance and recede at regular intervals. My invention consists, second, in the combination, witha plunger, of a press at each end thereof, with the mechanism for reciprocating the plunger intermediate between th'e'two presses, as will .be hereinafter more fully described and claimed.

Inthe drawings, Figure 1 is a side elevation of a machine embodying my invention, showing parts broken away to represent the interior mechanism of the press, and also the interior of the reciprocating mechanism. Fig. 2 is a plan view' of same. Fig. 3 is a separate enlarged view of the die through which the .clay is forced as it emerges from the press. The drawings represent a press at each end of 5 the plunger.

A is a drive-shaft, which drives the upright shaft B through the medium of the intermediate bevel-gear O. D is a mutilated bevelgear, one-half of the bevel being provided with cogs and the other half plain. This mutilated gear meshes alternately into the gears E E, which are placed on opposite sides of the mutilated gear D, the arrangement being such that the mutilated gear shall mesh into but one of the said wheels E or E. It is, therefore, apparent that, while the power is maintained continuous in one direction, the mutilated gear will cause the wheels E and E to revolve alternately in opposite directions. The wheels E E are attached rigidly to the revolving nut F. G is the plungenrod, which is threaded into the revolving nut F, while the plungerrod itself is constructed so as not to revolve, audit is,'therefore, caused to-reciprocate forward and backward as the bevel-gears E and E are caused to reciprocate in their motion.- At each end of the plunger G is a head, H, which is made to fit closely in a receptacle or press, I, into which the clay is introduced that is to be formed into tiles or bricks. The presses or receptacles I are provided with openings J, through which the charge is introduced; and the plunger-heads H are each provided with a projecting flange, h, which, as the plunger is pressed forward, closes the passage J before the plunger exerts pressure upon the charge. K is the opening through which the clay is forced and caused to emerge in the form of tile. It may be forced out over any suitable core or cores K according to theshape that is desired to be given to the openings through the tile; and if it is desired that the tile or brick shall issue in curve form, I place across'the opening K,

its passage,- and the clay will therefore emerge 1 from the opening K more rapidly along that portion not obstructed, and will, therefore, cause the tile to emerge in a curved form, which curve may be greater or less, according as the obstruction is increased or'diminished.

The die here shown at K K K will produce a tile substantially as shown in Fig. 4. It is understood that this machine, by changing the form of its dies, and by changing the nature of the obstructions, is equally adapted to making any style or shape of tile or brick, and is not limited to the particular style and form. shown in Fig. 4, this being shown simply as a demonstration of the invention. So, also, it is apparent that, instead of employing the press or receptacle 1 at each end of the plunger G, I may employ but one such press; and it is also apparent that there are very many ways of'causing the plunger-shaft to reciprocate while the power is maintained constantly in the same direction. I do not limit myself to any such particular means, but any other means whereby this reciprocation is obtained will sufiice and may be employed.

The invention consists essentially in the combination, with the plunger, of mechanism for causing the same to reciprocate while the power is maintained constantly in the same direction, and combining with the said plunger at one or both ends thereof heads H for forcing clay from a tile-press, the whole combination constituting a new tile-machine.

It is apparent that there should be such a relation between the size of the wheels D and E as will cause the plunger to make a complete stroke before reciprocating.

What I claim is i 1. In a tile or brick machine, the combination, with a screw-threaded plunger-shaft, and a revolving nut engaging therewith, of a power-shaftthat is driven constantly in the same direction, and intermediate mechanism whereby the plunger-shaft is reciprocated tially as and for the purpose specified.

4. The combination, with the opening K, of the inner cores K and obstruction K substantially as and for the purpose described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

, LEVI -T. SGOFIELD.

Witnesses:

H. T. HOWER, FRANCIS TOUMEY.

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