US289422A - lafler - Google Patents

Description

` N 'l me s'-rirresi meer JOHN A. ILnritnn, ori ALBION, NEW YORK.

BRICK-MACHINE.

SPECIFICAIION forming' part ofLetters Patent N0.,289,422, dated December 1, 18E3.

I l Application filed May 14,1883. (No model.)

To @ZZ whom, t may con/cern:

ments in Brick-Machines; and I do hereby declare the following to be a full, clear, and exact description ofthe invention, such as will enable l others skilled in the art to which it appertains to make and use the same.

'Ihis invention relates to brick-machines;l and 1t consists in providing certainnew and useful improvements in the construction of that type of brick-machines which are shown in patents granted to me January 6, 1863, No. 37,348, and August 11, 1868, No. 80,976,whieh improvements will fully appear in the following general description and claims.

The present invention is fully illustrated in the accompanying drawings, as follows:

Figure lisa vertical longitudinal section on theline wx in Fig. 2. Fig. 2 is a plan view of the press-bed E, with parts above removed. Fig. 3 is a transverse vertical section of the press-box, or that part of the press-box which is iixed. Fig. 4 is a perspective view of the sliding cover of the press-box. Fig. 5 is a perspective view of the iiXed part of the press-box.

A is the grindingmill.

B B is the telescopic press-box, of which the part B is fixed to the frame of the grinding mill, and the part B to the vertically-moving press-bed.

C is the space which is oceupiedby the mold when being filled, and c c c are rollers below the mold.

D is the sliding cover of the press-box, and

i D2 D3, &c., is the gearing for operating the said cover.

E is the press-bed, and E* E* is the gearing for operating the said press.

F is a packing-strip for preventing the escape of clay with the sliding cover D, and F is a spring for keeping the strip F close against the under side of the cover.

G is a cam which supports the outer end of theinner frame, E2, of the pressi'rame, and by which it can be dropped at that end to avoid damage from stones while pressing, if found necessary.

The general operation of the machine is as l follows: The clay,when properly ground,finds its way into the presser-.box B B. From thence it is forced into the molds located at Crwhenever the press-bed is raised, and the press-box is collapsed or telescoped together. The cover f.

D is always slid into place over the top of the *press-box before the parts are telescoped, so that it will offer a resistance to the upward movement of the clay as the parts are telescoped. Vhen the pressingis taking place, if

-it should be found there .was anything in the clay-like large stones, for instance-that would damage the press or molds, the cam G can be tripped by moving the lever G', and the inner frame, FP, which holds the molds, will drop down and relieve the press.

The parts of the construction here shown whichare thought to be new are as follows: The gearing by which the cover Dis operated, the construction and adjustment of the packerstrip F,the gearing for pushing the molds along on the table or press-bed, and the application of the cam G.

The cover D moves on slides d d on each side of the frame. It is connected witharoeking lever, D", by the rod D,which attaches to it at D2. The rocking lever is operated from the lever D5, and this from a pitman, D, from the gearing-wheel D7. The pitman D6 has a slot, d, where it connects with the lever D5, which gives a dwell in the action ofthe gearing connected with the eover,'s that the cover moves over the box B and dwells, then moves olil and dwells during each revolution of the wheel Dl. It is during the dwell of the cover over the box that the press must act.

In my patent of 1868 above referred to,where much superior as to strength and time ofaction.

I have foundit necessary that the cover D shall move through a packed orifice in the side `of the box, or else it will soon clog with clay.

' vents clay working through, and then the strip is kept firmly in contact with the cover by rubber springs F', which are tempered by screws F2.

IOO

The molds arelaid upon the table or pressLbed E2, above the space C, and are pushed under the box B by a pusher, C', which is connected lby links C2 with cranks C"s on a rockshaft,0*,

which is rocked by a sector-lever, C5, chain and rod C6, and the hand-lever G1.

Vhen the press is operated from a handwindlass, E5, there is no necessity ofthe cam G and lever G', for the operator can always tell by feeling whether there are any obstructions in the clay; but when this windlass is operated fromsome ofthe moving parts ofthe machinery, it is necessary to have some way of relieving the press. Then, again,when it is operated by machinery, it is often desirable to gain time in which to shift the molds. This can all be accomplished by having the inner part of the bed E2 p'iVoted independently on the frame E, as 'at' E, and supporting the outer end by a detachable device. As soon as the pressure has been applied, the operator can trip the cam G, and the bed E2 will drop down in ad- Vance of the frame E, and by the time the said frame E is ready to move up again the molds may have been shifted and the cam reset.

What I claim as new is- 1. In abrick-machine substantially as shown,

the combination,with the press-box BB', of the sliding cover D, operated by the gearing D3 Di D5, slotted pitman D, and wheel D7, arranged to operate substantially as and for the purposes set forth.

2. In a brick-n1achine, the combination, substantially as shown, of the press-box B, the packing-strip F, spring F', and sliding cover D. 3. In a brick-machine substantially as shown, the combination, with the press-bed E E2 and pressbox B', of the mold-push G, links C2 C2, cranks C3 C3, rockwshaft C", sector C5, chain and rod C, and hand-lever C7, arranged to operate substantially as and for t-he purposes set forth.

4. The combination, in abrick-machine substantially as shown, ofthe press-frame E, pivoted at E', the contained frame E2, pivoted on said frame E, as at E3, and the trip-cam G G, for holding the said frame E2 even with the frame E, or allowing it to drop independently, as andv for the purposes set forth.

In testimony whereof' I a'lhX my signature in presence of two witnesses.

JOHN A. LAFLER. Witnesses;

ROB-r. H. PORTER, E. F. SPAULDING.

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