US580379A - Office - Google Patents

Description

L t e e h J 6 t a e h s 2 (No Model.)

R. GONDON. PEGGING MAGHINB. I No. 580,379. Patented Apr. 13, 1897.

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- P. R. GONDON.

PEGGING MACHINE. No. 580,379. Patented Apr. 13, 1897.

Witnesses. Inventcir.

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% zflwaa Attcyl TINTTED STATES PATENT EEicE.

CHARLES N. PROUTY, OF SAME PLACE.

PEGGING MACHlNE.

SPECIFICATION forming part of Letters Patent No. 589,379, dated April 13, 1897. Application filed July 20,1896. Serial No. 599,823. (No model.) Patented in Canada August 21, 1396,1Io. 53,299.

To aZZ whom it may concern/.-

Be it known that I, PATRICK RussEL Cou- DON, a citizen of the United States, residing at Spencer, in the county of Worcester and State of Massachusetts, have invented a new and useful Improvement in Pegging-lvlachines, of which the following is a specification, and for which I have obtained a Canadian patent, No. 53,299, dated August 21, 1896.

My invention relates to that class of peg ging-m achines which are ordinarily employed for automatically driving wooden pegs.

The object of my invention is to provide an improved construction for supporting and operating the horn of the pegging-machine, and to provide means for automatically trimming or cutting off the ends of the pegs.

To these ends my invention consists of the parts and combinations of parts, as hereinafter described,and more particularly pointed out in the claims at the end of this specification.

In the accompanying two sheets of drawings, Figure 1 is a side view, partially in section, of a suiiicient part of a peggi-ng-lnachine to illustrate the application of my invention. Fig. 2 is a partial front view illustrating one form of peg-driving mechanism which I may employ. Figs. 3 and 4 are detail views of the button or anvil and illustrate the construction which I employ for automatically trimming or cutting off the ends of the pegs; and Figs. 5 to 7, inclusive, are detail views illustrating the operation of the device.

A Referring to the drawings and in detail, A designates the frame of the machine, which rests upon and is supported by suitable legs, as a. Extending from the front of the frame A is a piece or bracket C, having bearings and 31. A vertical spindle 32 is journaled in the bearings 30 and 31 by means of suitable bearing-balls, as d. Secured upon the upper end of the spindle 32 is a hollow horn or arm D, having a button or anvil B, j ournaled therein in the ordinary manner. Surrounding the horn-spindle 32 is a coiled liftingspring 33. The tension of the lifting-spring 33 can be adjusted in any desired manner.

As illustrated, 1 preferably provide an adjusting-nut 330, threaded onto the horn-spindle 32, and held in its adjusted position by means of a check-nut 33 At its lower end the horn-spindle 32 is loosely connected by a threaded piece 35 with a treadle-rod 34. The treadle-rod 34 is mounted in a suitable bearing 36 and is connected to a suitable treadle, as E.

Mounted inside of the horn-spindle 32,which is preferably bored out or made hollow, Iprovide a stationary spindle 37, which, near its upper end, passes loosely through a plate 38, carried by the horn D, and is rigidly connected at its lower end to the treadle-rod 34:.

The spindle 37 is connected at its upper end with a train of gearing for holding the button or anvil B in a fixed position with respect to the frame of the machine. As illustrated, this train of gearing comprises a gear 39, fastened on the spindle 37 which meshes with a train of gears 40, ll, 42, and 43.. The gear 43 is mounted upon and carried by a vertical rod 44, which is connected at its upper end by a universal joint 45 with an inclined rod 46, which is provided at its end with a suitable bevel pinion or gear -teeth, which mesh with and engage the gear-teeth 18 upon the, button or anvil B.

By mountingthe horn-spindle 32 upon ballbearings in the frame I have found in practice that the efficiency of the machine is con 8o siderably increased, as the horn D can be more readily turned or shifted to properly guide the work into the desired position with respect to the peg-driving mechanism.

By mounting the coiled lifting-spring 33 so that it surrounds the horn-spindle 32 the tension of said lifting-spring will be exerted in line with the axis of the spindle and there will be no tendency of the spindle to cramp or bind in its bearings.

The peg-driving mechanism which I employ may be of any of the ordinary or approved constructions, and I have shown only such parts of the cooperatin g mechanism as will be necessary to an understanding of my peg-cutting devices.

Referring to Fig. 2, 1O designates a head or piece which is mounted so that it may swing off the projecting ends or move transversely. Loosely mounted in the head I0 is a vertically-movable slide 11, havinga piece 12 adjustably secured thereto, Which carries the awl 13 at its lower end. Loosely mounted in the slide 11 and extending through a guiding-bracket 14 is a reciprocating part or slide 15, having a driver 16 at its lower end for forcing the wooden pegs into the holes punched by the awl 13.

The mechanism for splitting off and feeding the pegs into position to be acted upon by the driver 16 and the gearing for imparting the proper motion to the parts of the peg-driving mechanism may be of any of the ordinary or approved constructions, which need not be herein shown or described at length.

In that class of pegging-machines to which my invention relates the ends of the pegs have heretofore ordinarily been allowed to project through the work to and have had to be cut out by hand or by the use of additional machinery. To overcome this defect, I provide means for automatically trimming or cutting of the pegs.

As illustrated, the button or anvil B comprises a lower or gear section and a top section or cover 21. A washer, as 20, is interposed between these sections and the parts are secured together as by means of small screws, as 22.

Mounted in suitable Ways in the cover or plate 21 and resting upon the washer 20 I provide a spring-pressed piece or guide 24, which is formed with a socket or opening 25 for receiving the ends of the pegs, and with a beveled or cutting edge 26 at the rear of said socket.

The upper rear edge of the piece 24 is slightly rounded or beveled, as at 27, to cooperate with the awl 13.

A plate or knife 23 is secured in the plate 21 in position to cooperate with the piece 24, so that the cutting edge 26 and the knife 23 may cooperate substantially as shears.

A torsional spring 28 is arranged to hold the piece 24 in its normal position, one leg of the torsional spring being secured in the base section of the button B and the other leg of said spring engaging the front of the piece 24.

In practice I have found that a torsional spring as thus arranged will control the movement of the piece 24 in the most efficient manner, but, if desired, a small spiral spring may be located to engage directly against the front edge of the piece 24, or these parts may be differently arranged and connected.

The operation of the peg-trimming mechanism is most clearly illustrated in Figs. 5 to 7. In Fig. 5 the parts are shown in their normal position, the awl 13 being raised clear of the work w and the driver 16 being in position to engage with a wooden peg, as p. The slide 11 will then move down, bringing the awl 13 in engagement with the work, and at or about the same time the driver 16 will be actuated to drive home the peg p, as illustrated in Fig. 6, the end of the peg extending into the socket 25 in the piece 24. The entire head or slide 10 will then be shifted laterally to respace the work in, bringing the parts into the position illustrated in Fig. 7 and moving the peg into engagement with the blade orknife 23, so that the end of the peg will be sheared or cut off between the knife 23 and the beveled edge 26. The driver 16 and the awl 13 will then be raised, and the head 10 will be shifted to bring the parts back to the position illustrated in Fig, 5, the piece 24 being restored to its normal position by means of its spring 28. The piece 24 as thus arranged and mounted in the button B will prevent the pegs from crippling, twisting, or becoming loosened in the Work when they are brought into engagement with the stationary knife or blade 23, and the shearing action of the blade23 and the cutting edge 26 will insure an even trimming or cutting of the pegs.

I am aware that changes may be made in the construction of peggingmachines by those who are skilled in the art without departing from the scope of my invention as expressed in the claims, and that certain features of my invention may be used in different constructions and in different combinations.

I do not wish, therefore, to be limited to the forms which I have shown and described; but

lVhat I do claim, and desire to secure by Letters Patent of the United States, is

1. I11 a pegging-machine, the combination of a vertical spindle journaled in the frame of the machine by means of suitable ball-bearings, a horn carried by said spindle, a liftingspring coiled around said spindle, a button or anvil journaled in said horn, a treadle-rod loosely connected to the lower end of said spindle, a rod rigidly connected to said treadlerod, and a train of gearing for holding the button stationary independently of the rotation of the horn, substantially as described.

2. In a pegging-machine, the combination of a vertical spindle journaled in the frame of the machine, ahorn carried bysaid spindle, a button or anvil journaled in said horn, a treadle-rod loosely connected to the lower end of said spindle, a rod or spindle rigidly connected to said treadlerod, and a train of gearing for holding the button stationary independently of the rotation of the horn, sub stantially as described.

3. In a pegging-machine, the combination of areciprocating awl arranged to move transversely to advance the work, a peg-driving mechanism, a button or anvil, said button or anvil being provided with a movable piece, and a stationary knife or blade for trimming oif the ends of the pegs, substantially as de scribed.

4. In a pegging-machine, the combination of a peg-driving mechanism and a button or In testimony whereof I have hereunto set anvil having a stationary blade or knife 23, my hand in the presence of two subscribing a movable piece 2% for receiving the project- Witnesses.

ing ends of the pegs, said piece 2e being pro- I PATRICK R. GONDON. 5 vided with a spring 28 for holding the same Witnesses:

in its normal position, substantially as de- PHILIP W. SOUTHGATE,

scribed. JAMES H. BANCROFT.

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