US242258A - Press - Google Patents

Description

3 Sheets-Sheet;` 1.

(No Model.)

J. H. BRINKOP.

Press,

No. 242,258. Patented May 31,1881.

Inventor: C Q; 7?

' u, mins. mm-umugmpw, whingm n.0

3 Sheets-Sheet 2.

(No Model.)

J. H. BRINKUP.

Press.

Patented May`31,1s81.

[noe/dvr:

n, PETERS Pmvwhnsmpm, Mmmm mc.

UNITED STATES PATENT EETCE,

JOHN H. BRINKOP, QUINCY, ILLINOIS.

PRESS.

SPECIFICATION forming' part 0f :Letteni Patent No. 242,258, dated May 31, 1881.

Application tiled Api-i123, 1881. (No model.)

i the size of the article which is to be pressed To all whom it may concern:

Be it known that I, J onN HENRY BRINKOR. of Quincy, in the county of Adams and State of Illinois, 'have invented a new and useful Im- I provement in Presses; an d I do hereby declare that the following is a full, clear, and exact description of the same.

My invention relates to presses of that class in which tobacco, clay, or like materials are molded and pressed.

The invention is intended for presses more particularly adapted to be operated by a footlever, although parts of the'invention are capable of being used in connection with other instrumentalities for applying power tllereto.

The object of my invention is, primarily, to secure adjustability in the machine for different sizes of articles to be formed therein, and in connection therewith to secure sharp angles and corners in the article pressed.

I have hereinafter fully described the best practical means known to me of carrying out my invention, and have pointed out in the claims the principle of construction and the specially improved details in which my invention consists.

In the accom pan ying drawings, Figurel represents a side velevation of my improved press. Fig. 2 is a horizontal sect-ion upon line a: of Fig. l. Fig. 3 is a vertical section from front to rear of the machine, as indicated by line y y of Fig. 2.

The machine shown is adapted to be operated by a treadle. The supporting parts of the machine consist of two side frames, T T, connected to each other by transverse rods and by the table-top, as hereinafter more particularly described. This top, which is marked Q, rests upon inner flan ges, l l, of the side frames, to which it is firmly secured by bolts and nuts 2 2. Upon the top of the table thus formed are set sides N N, extending from front to rear.

These sides are held adjustable to the top of the table by means of four threaded bolts, 3 3, which pass through horizontal anges 4 in the said sides, and through transverse slots 5 in the top of the table, to which top these si'des are thus adj ustabl y connected by means of thumbnuts 6 upon the lower ends of the threaded boltsB, so that by loosening these nuts the sides may be set in or out to adjust the box to therein.

Within the box is provided an apron, A, hinged to the table-top on the frontline of the press-box M, located in the rear of the table, as shown more clearly in Fig. 3. It will be understood that the apron, when lowered within the sides N, rests in aninclined position upon lugs 7 7, and forms with the sides an inclined chute7 in which the material to be pressed is fed to the press-box; but when turned up in a vertical position the same apron A forms the front wall of the said press-box.

In order to preserve the accuracy of the corners special construction of the hinged edge of the apron is required. This special construction consists of a ange, 8,'on the hinged edge of the apron, formed on a true curve and tted accurately in a slot of corresponding` shape made transversely of the table. This slot in Fig. 3 is indicated at 9, and the curved iiange is formed (as shown in dotted lines in Fig. 3) so that when the apron is raised vertically it forms with the bottom of the press-box an exact right angle in transverse section.

The apron is held within the slot upon the rounded rear edge of the table bordering upon the slot by means of the curved fiange heretofore described and a plate, n, having lugs 10, which enter holes in the table and embrace, in connection with the flange, round bearings formed in the table by the slot 9 and the holes l1. The platenl is fixed to the under side of the apron A by suitable screws.

Any other convenient way of hinging the apron to the top ofthe table may be used 5 but it is necessary, in order to form sharp corners upon the pressed article, that the apron, when brought up to vertical position, should form a sharp angle with the bottom ofthe press-box, also that the joint between the apron and box should be always tight.

The ends of the press-box are formed by two sliding blocks, E E, which move in guides between the ends of the side plates, N, and the rear wall, R. These blocks E rest upon the bottom of the press-box, (which'is formed by the tabletop,) and are moved by levers D D,

lpivoted in the sides N. These levers have horizontal movement, and their front ends are connected to a central sliding block, c, which ICO moves from front to rear in a slot, 12, inthe center of the table, said connection being formed by means of bars 13, provided with series of holes for adjustment, and attached to the central block by means of a thumb-screw, C.

It will be obvious from an inspection of the parts as shown in Fig. 2 that when the block c is pushed back in its slot the forward ends of the levers D will be drawn inward and the blocks thrown out, and that the reverse movement will throw the blocks inward to the pressbox.

The slot 12 permits the block c to slide to the front slightly past the line drawn from the pivots 14, which connect the bars 13 to the levers D, so that when the block e is drawn to its front limit the blocks E are locked in position. The parts must be so adjusted that when the blocks E are thus locked in place their inner surfaces, which form the ends of the press-box, will bear against the ends of the plunger B, the lower end of which, in its upward movement, remains a little below the upper ends of blocks E.

The guides for the blocks E, heretofore referred to, are formed by upper and lower flanges, 15, on the rear ends of the side pieces, N.

In addition to their oitice of moving and locking the blocks E, the levers D perform another function-that of locking the apron A in vertical position against the blocks E and the plunger B. This is accomplished by means of inclined lugs 16, formed on the levers D and projecting through the sides N into the path of the apron A. When the block c is pushed forward and the end blocks, E, are thrown out these lugs 16 are withdrawn and the apron may be raised. The apron is thus raised in operating the machine when the levers and end blocks are in the position last described, and this elevation of the apron serves to deliver and press the material previously placed upon it into the press-box, where it is securely locked and further pressed upon the ends by the backward movement of the block c, which, as heretofore described, by the same movement throws in the end blocks and locks the apron. The rear edges of these locking-lugs 16 bear against beveled edges upon the under side of the apron A, thereby pressing the apron irmly against its bearing-surfaces.

`The next operation in order is performed by the plunger B.A This is fixed to a cross-bar, b, by means of a bolt and thumb-nut, 17. The cross-bar b is pivoted upon the upper ends of arms G G, the lower ends of which arms are pivoted upon a cross-bar, II, carried in the ends of arms l?, Xed upon the rock-shaftp. To this rock-shaft p is connected treadle-lever F, the connection being made adjustable by means of a set-screw, 27. The treadle-lever is braced upon the bar O by means of a curved arm, 1S, which is provided with a series of holes in its upper end, which passes through the treadle-lever, so that by means of a pin, 19,

the position of the treadle-lever may be adjusted thereon.

The two parallel arms G are curved to the rear at their lower ends, and the lever may be so set that the bar O may be thrown beyond the center of p, and thereby lock the plunger B down upon the material to be pressed. This is done if it is desirable to retain the said material under compression. The ends of the cross-bar which supports the plunger B project beyond their bearings in the arms G and ride up and down against posts 20 on the top of the frame, said posts serving as guides to prevent the cross-bar from moving too far to the rear, the apron when raised serving as a front guide.

Therear wall, R, is connected to blocks r,

i' which slide from front to rear in guides 21 on the inside of the side frames. They are held in position by thumb-nuts 22, the threaded bolts of which pass through slots in the blocks r.

It will be observed, therefore, that the pressbox may be enlarged or diminished both by the adjustment ofthe sides N with the end blocks,

E, carried with those sides, and also by the adjustment of the rear wall, R, to front or rear.

The apron A may be removed and another smaller or larger substituted in its place, and

the same is true of the plunger B.

In order to remove from the press-box the article which has been pressed I provide a second plunger, 23, working snugly through an opening in the bottom of the press-box. It is carried upon a sliding block, 24, mounted upon the end of a crooked lever, 25, pivoted underneath the table. The block 24 slides upon a vertical guide, 26, fixed underneath the table, and its movement downward is limited by a shoulder on the guide, so that the upper end may, when the plunger is down, be always flush with the bottom of the press-box. The lever 25 is operated by a knob, K, working vertically in the table and held up by a spiral spring, so that the plunger 23 is held down, except when the knob K is depressed. The knob is in position at the side of the table to be conveniently operated by the workman standing in front ofthe apron.

The treadle-lever may be raised by any suitable spring.

The parts heretofore described may be constructed of wrought and cast iron; but I do not limit myself in this respect.

IIavin g thus described my invention, what I claim as new, and desire to secure by Letters Patent, isl 1. In a press, the combination of a reciproeating plunger, movable end blocks, and a hinged apron forming the front wall, substantially as described.

2. The combination of a reciprocating plunger, adjustable sides, and the hinged apron, substantially as described.

3. The combination, in a press,of the reciprocating plunger and the adjustable sides provided with levers and end blocks, said parts IOO IOS

IIC

IIS

acting in connection with the front and rear Walls of the press-box, substantially as described.

4C. The combination, with the reciprocating plunger and front and rear Walls, of the end blocks, E, levers D, sliding block c, and connecting-bars, whereby the end blocks are operated, substantially as described.

5. The combination, with the sides N, of the reciprocating plunger B, movableend blocks, and apron A, substantially as described.

6. The combination of the plunger B, sides N, hinged apron A, levers D, and locking-lugs 16, substantially as described.

7. The combination of the plunger B, sides and hinged apron, and the adjustable rear wall,

R, as set forth.

8. The combination of the plunger B, crossbar b, arms G, rock-shaftp, arms P, and treadlelever, substantially as described.

9. The combination .of the plunger B, and cross-bar b, and arms G, and the posts 20, substantially as described. t

10. The combination of the plunger 23, lever 25, and depressing-knob K, substantially as 2 5 described.

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

JOHN H. BRINKOP.

Witnesses:

JOHN KIEFER. HENRY STEINKAMP.

Images