US230553A - Wire-twisting machine - Google Patents

Description

UNITED STATES PATENT OFFICE,

DANIEL A. KILMER, OF HOXVES GAVE, NEXT YORK.

WIRE-TWISTING MACHINE.

SPECIFICATION forming part of Letters Patent No. 230,553, dated July 27, 1880.

' Application filed Junel 1880. (No model.)

Z all whom tt may concern Be it known that I, DANIEL A. KILMER, of

Howes Cave, in the county of Schoharie and State of New York, have invented certain new and useful Improvements in Wire-Twisters; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being bad to the annexed drawings, making a part of this specification, and to the letters and figures of reference marked thereon.

Figure 1 of the drawings is a representation of a side elevation of my wire-twister, and Fig. 2 is a plan view of the same. Fig. 3 is a rear view. Fig. at is a bottom view; and Figs. 5, (i, 7, 8, 9, and 10 are detail views.

This invention relates to certain improvements in that class of machines designed for twisting short lengths of wire into loops to be used for bale-ties and other similar binders; and it has for its object to provide a means for automatically discharging the loops, as they are successively formed, from the machine and registering the number of the loops formed, as more fully hereinafter specified.

These objects 1 accomplish by the mechanism illustrated in the accompanying drawings, in which- The letter A indicates the frame of the machine, and B an adjustable support having standards O at each end provided with journal-hearin gs D for the Wire-twisting shaft E. The said shaft is provided with spiral grooves F, which carry the reversely-arranged cords Gr, connected to the foot levers or pedals H, by means of which the said shaft may be rotated back and forth. The forward end of said shaft is provided With a socket, I, which is adapted to receive a tool to seize the wire to be looped and twist the same when the shaft is rotated in proper direction.

The letter It indicates an upright or vertical standard mounted upon an adjustable plate secured to the base of the apparatus by means of a binding-screw, L. The said standard extends through a slot or opening, M, in the bed or table of the machine, and forms one jaw of a clamping device, the other jaw, K, of which is pivoted to said upright at N, as shown in the drawings. A spring, T, expands the jaws.

The letter 0 indicates a lever mounted on a shaft, P, journaled in bearings R on the table of the machine, and carrying a cam, S, which bears against the jaw K of the clamping device and serves to operate the same to seize and release the wire to be twisted.

The letter U indicates a lever fulcrumed at V to the under side of the bed or table of the machine, and connected to the lower end of the lever O by means of a link or connecting rod, A. The said lever U is held in a normal position by means of a spiral spring, 13, and at its forward or free end is bifurcated. so as to embrace the lowerend of an angle-lever, G, fulcrumed in bearings D, mounted upon the table of the apparatus. The upper arm of said lever has pivoted to its end a finger, E, which, in its normal condition, extends forward and lies under the wire held in the clamping device and being twisted by the shaft E, but which is capable of being thrown back when the lever is released, so as to throw the twisted loop out of the way and discharge it from the apparatus.

To the lever U is connected a pawl, F, by means of an adjustable connection, F which pawl is adapted to engage and operate a ratchet-wheel, G, journaled to a hanger, A depending from the table of the machine. The said ratchet-wheel carries a disk or wheel, A having indentations (one or more) I, for the purpose hereinafter specified.

The letter K indicates a lever fulcrumed to a hanger, L, depending from the under side of the table of the machine and having at one end a hammer, K the other end bearing upon the periphery of the disk or wheel A The letter M represents a spring bearing upon the lever K which keeps the said lever in a normal position on the disk or wheel A and so as to throw it into theindentation when the disk arrives at the proper place, in order to strike and sound the hell 1 secured to the under side of the table of the apparatus.

The clamping device R K is pivoted to its base-plate in such manner that its upper end may be moved laterally, so as to give or yield as the wire is twisted, and prevent injury to the same. A spring, Z, Fig. 5, returns the upper end of the clamping device to its normal position after it has been moved laterally, as above described.

The foot-levers or pedals of the apparatus are providedwith ratcheted shafts L", by means of which the cords passing over the drivingshaft may be adjusted so as to carry or move said driving-shaft in or from any position to which it may be set, to increase or diminish the length of the twist required to form the loop.

As shown in Fig. 9, a chuck is represented, designed to be secured to the shaft E in place of the hook shown in the socket, in order to twist the wire with the diamond-shaped crossbar.

The object of the alarm-bell and operative mechanism connected therewith is to signal to the operator the number of finished loops that have been made, the number having been previously determined by setting the ratchet wheel G.

Let the ratchet-wheel G represent a wheel having twenty-live teeth. To this ratchet wheel is secured the cam-wheel A''. To set the wheel so that the signal will be given when twenty-five finished loops have been discharged from the machine the end of the lever K which bears upon the periphery of the cam-wheel A should be placed in the indentation I. When the lever 0 shall have been operated twenty-five times the pawl F will have caused the ratchet-wheel G, with its C2llll\\'1l6l'l A to make one revolution, and the lever K will have been raised at its bearing end and permitted to drop into the indentation I, the point at which it was previously set, thereby causing the signal to be given to the operator.

It will be readily observed that the ratchetwheel may be graduated, or that wheels with teeth varying in number maybe interchangeably used for this purpose, so that the ratchetwheel may be set to signal a greater or less number of finished loops.

The number of signals niay be recorded, so that when the operator ceases work the score only need be looked at to determine the whole number of finished loopsihat have been made.

Having thus fully described my invention, what I claim is 1. In a wire-twisting machine, the combina tion of the twisting-shaft E, provided with the spiral grooves F and the socket I, supported in the standard 0, with the reversely arranged cords G, and the treadles H H, carrying the ratchet-shafts L substantially as and for the purposes set forth.

2. In a wire-twisting-niachine, the combina tion of the cam-lever O, for operating the clamping-jaws, the connecting-rod A, pivoted and bifurcated lever U, and the angle-iron O, carrying the pivoted finger E, for the purpose of discharging the finished loops from the machine, as set forth.

3. In a wire-twisting machine, the combination of the elampingjaws R K, the standard of which is pivoted in an adjustable base-plate secured bythe nut L, with the twisting-shaft E, constructed and operating as described, to give the upper portion of the clamping devices an independent lateral movement while the wire is being twisted, as and for the purpose set forth.

4. In a wire-twisting machine, the combination of the cam-lever U, for operating the clampingjaws, the rod A, tension-spring B, pivoted lever U, adjustable pawl" F, ratchet and cam wheels G A, pivoted lever K K spring M, and alarm-bell I", constructed and operating substantially as and for the purposes set forth.

In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.

DANIEL A. KILMER.

Witnesses:

ROBERT EVERETT, JAMES J. SHEEHY.

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