US417686A - William l - Google Patents

Description

UNITED STATES WILLIAM L. STEVENS, OF WOODSTOWVN, AND MAURICE B. AYARS, OF SALEM, NEW JERSEY; SAID STEVENS ASSIGNOR TO SAID AYARS.

CAN-FILLING MACHINE.

SPECIFICATION forming part of Letters Patent No. 417,686, dated December 17, 1889.

1 Application filed February 27, 1889. Serial No. 301,338. (No model.)

- nish a movement for actuating the cut-off or closing plate, which closes the end of the cylinder, so that this plate will only be'lowered and the end of the cylinder open where the tomatoes or other materials are passing from .20 the cylinder into the can, so that the can when filled may be immediately removed from the machine without any loss of time and without any of the material escaping; second, to furnish a face-plate which will have an annular projection upon it which will extend just inside of the mouth of the can, and which is furnished with perforations through which the air in the can will escape while the can is being filled; third, to furnish a yielding connection between the bifurcated actuating-lever and the plunger, which will insure uniformity in filling the can.

In the drawings, Figure 1 is a central sectional elevation of a can-filling machine em- 5 bodying our improvements; Fig. 2, a side elevation of the same; Fig. 3, an end elevation of plunger and part of bifurcated lever, and Figs. 4 and 5 a front and side elevation of our face-plate.

As in the patent above referred to, A is a table or frame which carries a horizontal metallic bed (1, in which rests a cylinder or tube B, which is drawn out or conical at its forward end, and which is furnished with a hopper h, in which the fruits, vegetables, or meats to be canned are placed.

H is 'a plunger, which forces the article into the can. This plunger is actuated, as described in the patent before referred to, by a bifurcated arm 1, which is carried upon a lever L, which is carried by a transverse shaft E, journaled in suitable bearings in the frame A. V

D is a shaft carrying a pinion m, which meshes into and drives a gear-wheel I, to the shaft G of which are also secured two cams g and g, the former of which, through lever K and connecting-rod F, actuates the lever L, and through arm Z the piston H. For purposes of adjustment the upper end of rod F is furnished with a slot f, and the lever K is attached to arm F by a bolt f, passing through this slot. The other end of lever K issecured to arm l at It.

The cut-off or closing plate 19, which closes the end of cylinder B when the material is not being forced into the can, is operated as follows: t is a lever, one end of which is pivoted to the frame A ata, and the other end of which has pivoted to it one end of a link d, the other end of which is. attached directly to the cut-off. The lever t' rests upon the cam g, and during the revolutions of this cam the lever t' is moved up and down, and through arm (1 moves cut-off 13 up and down, opening and closing the end of cylinder 13. The cam g is so shaped and placed as to only lower the cutoff p when the meats or vegetables are being forced into the can. Immediately after the can is filled the end of the cylinderis closed, the filled can withdrawn, and anew can put in place without danger of any of the materials escaping from the cylinder B.

The L-shaped lever J, which clamps the can in place while being filled, is actuated by a rod N, one end of which is secured to lever J, and which extends down and passes through lever L. n is a tappet on rod N. The rod Nis bent over, as shown in the drawings, and to this bend is attached one end of a spring 0, the other end being secured to lever L. After the can has been put in place the lever L moves down, drawing spring 0 down, and through rod N throws the lever J against the end of the can and holds the can in place. During the further downward movements of leverL the spring 0 gives, and hence the bottom of the can is not injured by the lever J exerting undue pressure upon it.

As the lever J rises it strikes tappet n on rod N and throws lever J away from and releases the can, which is then filled and ready to be removed.

In order that no material may escape while the can is being filled, we furnish the face plate 0, Figs. 4 and 5, with an annular projection e, which enters the hole in the top of the can. This projection e is furnished with a number of holes f, through which the air in the can can escape while the materials with which it is being filled are being forced into it. These holes are notabsolutely necessary, but are preferable.

In order to insure uniformity in filling the cans, We use a yielding connection between the arm Z and the plunger H. Upon the plunger H is a cross-head P, Fig. To this crosshead one end of the yielding connection is attached, the other end being attached to the upper end of bifurcated arm I. The yielding connection consists of a spring 7L, Fig. 2, which is held in a frame 7c. One end of frame I; is

attached to cross-head P, and one end of the spring h is secured to this frame by a screw I 0. The other end of spring h is secured to arm Z by a pin p. When the can is full and i before the end of the stroke is reached, the spring It will give, and hence uniformity of filling is obtained without straining the can or causing leakage between the can and faceplate. I

Having thus described our invention, we claim as new and desire to secure by Letters Patent The combination, in a can-filling machine, of cylinder 13, plunger II, arm Z, with bifureated top, cross-head P, frames is, springs h, cams g g, levers K and L, arm F, lever 2', rod (Z, cut-off p, lever J, rod N, and spring 0, all

for the purposes set forth.

In testimony whereof we afiix our signatures in the presence of two witnesses.

\VILLIAM L. STEVENS. MAURICE l3. AYARS.

*itnessesz JOHN F. IIALBACH, S. CARMAN KINTZING.

arranged and operating substantially as and

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