US1019956A - Machine for use in the manufacture of boots and shoes. - Google Patents

Description

J. B. HADAW AY. MACHINE FOR USE IN THE MANUFACTURE OF BOOTS AND SHOES.

APPLIUATION'PILED DBO. 22, 1910. 7 1,01 9,956. Patented Mar. 12, 1912:

I/V/T/VESSEST %M 2 UNITED STATES PATENT OFFICE.

JOHN B. HADAWAY, OF SWAMPSOOTT, MASSACHUSETTS, ASSIGNOR TO UNITED SHOE MACHINERY COMPANY, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

MACHINE FOR USE IN THE MANUFACTURE OF BOOTS AND SHOES.

Application filed December 22, 1910.

To all whom it may concern:

Be it known that I, JOHN B. HADAWAY, a citizen of the United States, residing at Swampscott, in the county of Essex and State of Massachusetts, have invented certain Improvements in Machines for Use in the Manufacture of Boots and Shoes, of which the following description, in connection with the accompanying drawings, is a specification, like reference characters on the drawings indicating like parts in the several figures.

This invention relates to machines for use in the manufacture of boots and shoes, and more particularly to that class of machines in which hammering and rubbing members are employed for operating upon shoe bottoms.

An important object of the invention is to provide a sole leveling machine of the type which employs a relatively movable finishing roll and shoe supporting jack wit-h an improved roll for use in leveling, compacting, surfacing and otherwise finishing the face of an outsole, in turn and welt work. In this aspect, my invention is especially adapted to be applied to such a machine, for example, as is illustrated and described in the co-pending application of Andrew Eppler, Serial No. $15,024:, filed May 8, 1906, and in connection with which a preferred embodiment of the present invention is herein shown and described.

Machines of the type illustrated in the application referred to, employ a finishing roll which comprises a carrier supporting a plurality of worleengaging members and mounted on a shaft from which rotary motion is supplied to the carrier. Usually the work-engaging members are arranged longitudinally of the shaft which supports the carrier, and are constructed to deliver a series of blows to compact and level the surface of the sole being treated.

A feature of my invention is the provision of work-engaging members constructed and arranged to hammer and pound the outsole, and between each two such percussive blows to iron, rub and smooth out the uneven and indented parts resulting from the impact of the hammering members. This combination of alternately operating hammering and rubbingmembers will be Specification of Letters Patent.

Patented Mar. 12, 1912.

Serial No. 598,756.

found to be highly efficient, inasmuch as the sole is much more rapidly and accurately shaped to the last than is possible by the use of tools now available. Moreover it is a dis tinct advantage to perform the hammering and rubbing operations simultaneously since the rough and pebbly surface left by the hammering members is smoothed and polished before becoming set and hard.

To secure the above stated advantages, I prefer to provide a. roll comprising alternate series of smaller rolls and rubbing bars arranged about the periphery of the rotary carrier. Preferably too, the small rolls are pivoted in the carrier so as to be freely rotatable about their own axes, while the alternating rubbing bars are fixed against rotary movement; the construction being such that as they contact with the work the rolls turn independently upon their axes so as to engage the work with a sharp impact and then to turn and roll over a portion of the stock.

The rubbing members or bars are preferably yieldably mounted, so that when the machine is at rest these members are spring pressed outward radially with their acting faces so positioned as to maintain the nor mal cylindrical form of the roll as a whole. W hen, moreover, the roll is in motion this arrangement permits the rubbing members to yield independently of, and with relation to one another enabling them to fully conform to the contour of the work operated upon. The springs furthermore prevent the beaters or rubbers from contacting with the stock too violently and from rebounding so as to lose their effective contact. It is to be understood that not only is this arrangement highly efiicient for performing the above described operations on the sole of a turn or Goodyear shoe, as used in connection with the machine above referred to, but my invention in its preferred embodiment is equally applicable to a machine, for example, of the type described in British Patent No. 16,589 of 1908, for leveling, beating out, or pounding up the overlasted margin of upper and lining upon the bottom of a lasted shoe, whether along the forepart of a McKay shoe or at the heel seat of either a McKay or Goodyear shoe. In this use of my invention, the upper materials along the bottom of a lasted shoe are compacted and shaped to make them conform snugly to the last for forming a suitable surface on which to lay the outsole.

Although in the machine shown in the above mentioned United States application, in connection with which a preferred embodiment of my invention is herein shown and described, the roll carrier shaft is journalcd in an arm or frame movable over the work in a direction longitudinally of the shoe, it is equally within the scope of my invention to employ a stationary supportfor the carrier, in which case the shoe may be moved under the support and held against the roll by the operator as shown in the British patent to which reference has been made.

Many other uses and modifications such as will readily occur to one skilled in the art can be made without departing from the spirit and scope of my invention.

These and other features will appear from the following description of an illustrative embodiment of the present invention read in connection with the accompanying drawlngs.

Referring to the drawings :Figure 1 is an end view in elevation showing one embodimenet of my invention applied to a machine of the type illustrated in the before mentioned United States application. Fig. 2 is a longitudinal elevation, mostly in section, and taken on the line 22 of Fig. 1. Fig. 3 is a cross sectional view of the roll taken on the line 3-3 of Fig. 2, looking toward the right.

The machine to which preferably my invention is applied comprises a movable frame or arm 2 pivotally mounted at its rear end in the upper rear portion of the machine frame. The arm 2 at its forward end is provided with a rotary shaft or rod 4 journaled in suitable bearings 6 and 8 formed in the arm 2. At one end of the shaft 4 a pulley 10 is mounted rigidly secured to the said shaft 4 as by a set screw 12. Over the pulley 10 passes a belt by means of which pulley 10 and shaft 4 are rotated when the machine is in motion. At its other end (Fig. 1), the shaft 4 is re strained from lengthwise or longitudinal movement by a collar 14 securely fixed to the said shaft 4 as by a screw 16. The shaft 4 carries rigidly fixed thereto so as to revolve with it a leveling roll 18 to be here after described. The arm 2, carrying at its forward end the leveling roll 18, as above stated, is arranged to have movement lengthwise of the shoe operated upon and, conveniently, heel and toe rests of the usual or any convenient construction are provided for the support of the work as illustrated in Fig. 1.

The construction of the leveling roll 18 which forms the subject of the present invention is as follows: A hub 20 formed with flanges 22, 24 is fixed to the shaft 4 as by a key 26, Fig. 3. The portion of the shaft 4 which carries the fixed pulley 10 is enlarged, forming a shoulder 28 upon the said shaft. Binding screws 30 threaded through the flanged hub 20 and bearing against the shaft 4 serve by their frictional engagement with shaft 4 to secure the hub 20 against longitudinal displacement, and to hold it snugly against the shoulder 28 of the shaft 4.

The working members comprise a series of rolls 32, and a series of rubbing members 34, and conveniently these working members are disposed longitudinally of the shaft 4 as shown in Fig. 2. Preferably, as shown, the rolls 32 are of substantially the same general shape as rolls usually employed in sole leveling machines, being slightly concaved longitudinally to conform approximately to the curvature of the shoe sole. These rolls 32 are supported at their ends by means of bolts 36. The bolts 36 are threaded through end disks 38, 40, and into and through the flanges 22 of the hub 20 so as to project inwardly and beyond these flanges. The inner portions of these bolts 36 are reduced in diameter over the flanged portions and serve as trunnions or pivot studs for supporting the ends of rolls 32; the construction being such that the rolls 32 are freely and independently rotatable. The bolts 36 further serve to draw the end disks 38, 40 inwardly hard against the hub flanges 22.

The rubbing members 34 are shown as bars or ribs with rigid acting faces, and these members like the rollers 32 may conveniently be slightly concaved longitudinally. The ribs 34 terminate in lugs 42, and the lugs 42 project through slots or openings in the flanged portions of the hub, and are supported in guideways in the end disks 38, 40 as shown in Fig. 2.

An undulating leaf spring 44 is positioned between each rib 34 and the hub 20; each spring 44 abutting at its ends against fixed stops 46. These springs 44 normally press the rubbing bars 34 outwardly in approximately radial lines but permit the said bars to yield inwardly under pressure of the work. The recesses or openings in the hub flanges and end disks through which the lugs 42 of the bars 34 pass are formed to permit this yielding inwardly of the bars 34, and also to serve as guides to determine the direction thereof. The tension of the springs 44 is so adjusted as to insure that the bars 34 will have their outer or acting faces so positioned relatively to the acting faces of the rolls 32, when the machine is at rest, as to preserve the normal circular curvature of the roll as a whole, as above suggested.

It will be readily under o foregoing that, stated in general terms, the leveling roll 18 comprises a rotary carrier consisting of the flanged hub 20 and end disks 38, 40 connected thereto; and, arranged about the periphery of the carrier, a series of rolls or rollers 32, and a series of rubbing bars or ribs 3 L; a roller 32 being disposed between each two of the bars 34:. The rolls 32 are freely rotatable about their own axes independently of the rotation of the carrier and the bars 34 which are restrained from turning about their axes are movably mounted in guideways in the carrier so as to be capable of independent yielding movement inwardly toward the axis of the carrier. Thus the working members alternately engage the work with percussive and yielding contacts, and the stock is treated successively with striking, rolling, rubbing and gliding movements, whereby the work is operated upon in the very best manner to secure the desired results.

Having outlined the nature of the invention and described a machine embodying the same, what I claim as new and desire to secure by Letters Patent of the United States is I 1. In a machine of the class described, a rotary tool comprising an annular series of rollls alternating with a series of yielding r1 s.

2. In a machine of the class described, a rotary tool having a working surface comprising alternating rolls freely rotatable about their own axes, and rubbing members yieldably pressed out radially and restrained from turning movement.

3. In a machine of the class described, a

rotary carrier; longitudinal rubbing bars yieldably mounted in the said carrier; and, alternating with the said bars, longitudinal rolls mounted to be independently rotatable about their own axes.

i. A machine of the class described, having, in combination, a rotary carrier comprising end disks, a series of longitudinally curved rolls independently rotatable about their axes, and an alternate series of similarly curved spring-pressed ribs independently mounted in the said disks to permit them to yield inwardly in approximately radial lines when they engage the work, but restrained from tipping or turning about their axes.

5. A finishing tool comprising rubbing members and rolls, a hub with a flange at each end, notches in the flanges'for the rubbing members, a disk formed to confine the rubbing members, and pivot bolts for the rolls, screwing into the flanges and holding the disk in place.

In testimony whereof I have signed my name-to this specification in the presence of two subscribing witnesses.

JOHN B. HADAWAY.

\Vitnesses:

CHESTER E. Rooms, LAURA M. GooDRInGE.

copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.

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