USRE2553E - Improved beige machins - Google Patents

Description

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EGBERT GBRADFORD, JAMES H. RENICK, AND OBADIAH A. CLOGH, OF NEW YORK, N. Y., ASSIGNEES 0F HENRY MARTIN.l

Letters. .Patent 1Y0. 4i-8,419, dated Jzme 27,1355; reissue lfo. 2,553, dated April 9, 1867.

turnover einer MACHINE.

TO ALL WHOM IT MAY CONCERN: i I 4 Bc it known that HENRY MAR-TIN, of Springfield, in the county of Hampden', and State of Massachusetts,

invented a new and improved Brick Machine, and'we do hereby dec-lare that the following is a full, clear, and

exact description th'creof,;which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing, forming partot` this spccioa-tion, in whichl Figure 1 represents a front elevation of this invention part-ly in section. Figure 2 is a longitudinal vertical section ofthe same, the line.;v m, tig.` 1, indicating 'the plane of section. Similar letters of reference'indicatelike parts.-

This invention relates to yCertain improvements in thatrclass of brick presses in which the clay is tempered by aseries oi' knives secured in a revolving shaft, and afterward,discharged 'o n a grate which forms the vbottom of a box in which the lunecr moves. B the action ol the lunfrer the cla is forced throufrh the rate into P s .Y P s Y n g the moulds which are fed to the machine through a lateral opening and brought under the grate bythe 'action of a pusher working on a roller platformfand operated by a suit-able lcifer arrangement,y

The invention consists ,in a peculiar mechanism for operating thepluuger and the gatewhieh cuts off or opens theeemmunieation between the box fortenipering the clay and the-pressfboiz. I Said mechanism isrso constructed that it occasions the least possible loss by friction, and that the motionof the-plunger'eun be `regulated according to the thickness 'of the bricks to bemade. The pressfbox is provided with a slide through which stones and other impurities can be madeV to disehargemfi'om the press-box at any moment. The pusher.l

which serres to bring the moulds under the grate is operated by a lhand-lever secured to a ioclbshaf't.A From this rock-shaftextend two arms which connect by suitable links with the pusher in such a manner that by imparting to the roch-shaft an oscillating motion, the pusher is moved back andv forth on the roller platform -and the moulds are carried in the desired position under the grate.

A represents a box made of wood or any other suitable materinland ofany suitable size and shape. Through the centre' of this box extends a vertical shaft, B, to whichl arotary motion is imparted by a suitable lever,`and by a horse or any other desirable power. Said shaft is armed with a series of arms or knives, a, v

which server tomix or temper the clay, and curred Ascoops 6 inserted in the lower end of said shaft force the tempered clay out into the press-bor C. The bottoni of this pressbox is formed'bya grate, c, the bars of which are at such a'distanee apart vthat they correspond to the partitions of the moulds. A plunger, cl, which is fitted in the press-"box, forces the clay through the space s'betwe'en the grate-bars into the moulds. These moulds are made of wood'or any other suitable material, and they rest upon a roller platform, D, as clearly shown inlig'.

2 et' the drawing. A pusher, E, carries the'inoulds under the grate. This pusheris operated by a hand-lever, vF, that is mounted to the end o f a rock-shaft, e, and from said rock-shaft extend two'armsf, which connect by rods g with the pusher. The plunger d is suspended from the lower end of a tooth-cdraek, 7L, to which motion isimperted by a cog-wheel or toothed segment, z', and the communication between the hex A and the 'press-box is opened and closed by a gate, j, which is suspended from the lower end of a toothed rack, c, and,l to which motion is imparted by a cog-wheel or. toothed segment,l Z. The-eog-wheel z' is mounted ou a stationary axle, il, and it turns' leoselyon the same, motion being" imparted tol it by a slotted arm or lever, i2, which also turns loosely on the axle or pin. An oseillatingmotion is imparted to the lever by acrank, F1, thecrank-pin of which passes through the slot in said lever, and the motion of the lever is transmitted to the wheel i bymeans '.1 of: two pins i3 inserted into the wheel, cron eitherl side et the lever 3. v In order to regulate the motion ofgtho cog-wheel 1,', the pins @are place-d at such a distance apart that the lever itself will not come in contact with them? in either direction. But a tapering slide, i*,is secured te the lever il by means ot' sct-screws t5, and it is provided` with a slotso thatit can be moved upor down and adjusted in any desired position. When the slide is depressed Yto its lowest position it fills up the space betwcenthe pins il, andthe-full motion of the llevel` z'zis transmitted to the cog-wheeltf, and throughit and the raclchy to the plunger. When the slide t" is raised, it docs not fill the space between the pins i3, and the 'lever-zJ2 oscillates overA a certain arc before it imparts motion to the cog-wheel 1.', and the stroke of the plungerjdecreases thehigher said slide is raised. The cog-wheel l, which imparts motion to the gate j, hesits'bearing on a pin, secured insidc'of'thejmixiug-box A,'and it is rigidly connected to a slotted arm or lever, Z'the slot of which straddles the crank-pin of the cranl: F1, the same as the slot in the lever i2. The lever Z2 howeveri's not ad'ustable-'and the stroke of the ate romains unchanffedfno matter 1 .l 7 4 :n c

what the size of the bricks to be produced. By observing the relativo'postons of the leversz'2 Z2, it will be seen that the strokeof the gate is somewhat larger than that of the plunger, and said plunger begins to rise somewhat ahead of the gate, so that no fresh clay is allowed to enter the press-box before the filled mould is removed and replaced by another. The crank Fl is mounted on the end ofa shaft, G, and motion is impart-ed to it from the Central arbor B by bevel-gear Hl. By the action of the erank-pin on the slotted levers 2 ZZ, the motion of the eentral'shaft B is transmitted to the gate and plunger'rfith the least possible loss by friction. The press* box C is provided with. a gate, m, in front which can Abe opened or closed by means of a hand-lever, n. B y means of this gate, stones or other impurities which may nd their Wayrinto the press-box canbe removed instantaneously and without stopping the motion of the press. The front of the press-box is hinged and can be thrown open Whenever it may be desirable to obtain free access to the same.

What we claim as new, danddesire to secure by Letters Patent, is

l.` '.lhe niixirig-box A, and press-box C, with its grate c c, in combination, substantially as described, with each other and with the gatoj, operating to'close the press-box against any admission of clay while the moulds 'are being filled as set forth.

2. The manner of regulating the rise and fall of the plunger z, by means of the adjustable tapering slide or gauge t" on the slotted lever i2, in combination with the pins on the toothed segment or wheel z', substantially, as set forth. v

3. The manner of Working the plunger ci, inthe pressbox' e, by means of the crank- F with its wrist, the v slotted lever i2, ivith its adjustable taperihg slide or gauge t, the toothed segment or wheel z', withits pins i3,

and the rack 7L attached to the plunger, all combined and operating substantially as and for the purpose specified.'

4. The cog-wheel Z, and'slotted lever Z2, operated by the wrist ofthe crank F, 'in combinatiouwith the rack c, attached to the gate j, substantially as and for the purpose set forth. 5. The devices for 'operating the moulds under the press-box. c, consisting `of the'leverP, rock-shaft ef v arms F, connecting links g, andpu-sher E,Yall combined and operating substantially as and for the purpose for the purpose described.

specified.

6. Thegate m, raised andl 'lowered by the lever nor its equivalent, in` combination with 'the press-box e,

EGBERT C. BRADFORD, JAMES Il. RENICK Witnesses: OBADLUT A, CLOUGH.

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