USRE11578E - Welt-beveling attachment for sole-sewing machines - Google Patents

Description

3 Sheets-Sheet '1.

J. B. HADAWAY. WBLT'BEVBLING ATTACHMENT FOR SOLE SEWING MACHINES. N0. 11

Reissued Dec. 8, 1896.

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' 3 Sheath-Sheet 21 J. B. HADAWAY.

WELT BEVELING ATTACHMENT FOR SOLE SEWING MACHINE-S. No. 11,578. Reissued Dec. 8, 1896-.

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3 Sheets-Sheet 3. J. B. HADAWAY.

WELT BEVELING ATTAGHMENT FOR SOLE SEWING MACHINES. No. 11,578. Reissued'Dec. 8, 1896.

Wli'NEESEL-E I I |l\|\/ ENTEJR d/W- M i U ITED STATES PATENT OFFICE.

JOHN B. HAD AWAY, F BROOKTON, MASSACHUSETTS.

WELT-BEV E LIN G ATTACHMENT FOR SOLE-SEWING MACHINES SPECIFIOATION forming part of Reissued-Letters Patent No. 11,578, dated December 8. 1896.

Original No. 549,124, dated November's, 1895. Application for reissue filed July 17, 1896. Serial No. 599,327-

ToaZl whom it may concern:

Be it known that I, J OHN B. IIADAWAY, a citizen of the United States, residing at Brockton, in the county of Plymouth and State of following, taken in connection with the ac Massachusetts, have invented a new and' useful Improvement in Welt-Bevelin g Attachments for Sole-Sewin g Machines, of which the companying drawings, is a specification.

'Myinvention relates to a welt-beveling attachment for;sole'-sewing machines; and it consists in certain novel features of construction, arrangement, and combination of parts, which will be best understood by reference to the description of the accompanying drawings and to the claims hereto appended and in which my invention is clearly pointed out.

I have illustrated my invention as applied to the Goodyear sole-sewing machine shown'and described in the Letters Patent No. 473,870, issued to the Goodyear Shoe Machinery Oompauy as the assignees of Z. T.-French and William 0. Meyer, dated April 26, 1892, to

which patent reference may be had for any in-' formation relating to parts of the sewing-machine not shown in the accompanying drawings, in which Figure 1 is a front elevation of so much of the sewing-machine as is necessary to illustrate the application of my invention thereto. Fig. 2 is a side 'elevation' of the a same parts looking'towardthe right of Fig. 1. Fig. 3 is an elevation of the same parts looking in the opposite direction. Fig. i is a plan of the same with thepresser-foot removed. Fig. 5

is an inside elevation of the upper portion of the awl-segment-carrying stand as modified 10 receive my welt beveling attachment.

Fig. 6, 7, and 8 are respectively a plan, aside elevation, and an end elevation of the cuttercarrylng stock. Figs. 9, 10, 11, 12, and 13 are respectively a plan, a front elevation, a left-side elevation, a right-side elevation, and

' a sectional front elevation of the cutter drawn to an mnlarged scale. Figs. 14, 15, and 16 are respectively a plan, a front elevation, and a left-side elevation of the knife-guard drawn to an enlar ed scale. Fig. 17 in. transverse section of the work support or table on line X X on 'Fig. 4, and Figs. l8 and 19 are respectively a plan and a side elevation of a.

modified form of the work-support and the cut;

ter-carryin g stock. Fig. flOis an elevation of a portion of the sewing-machine with invention applied thereto and showingasection of a shoe in position for being operated upon.

In the drawings, A represents a small portion of the fixed frame of the head of the machine, in which is set the stud 1), upon I which is mounted loosely the needle-carrying segment I), to which is secured the curved hooked needle I) in the same manner as shown and described in the patent before cited.

B is a slide fitted to a suitable guideway, (not shown,') so as to be movable horizontally to feed the work, and provided at its inner end with the upright or arm 13, having set cept that the work-support d has a portion of its upper bearing-surface cut away to form the r'abbet c, which may extend the whole length of the table portion of said support, as shown in Fig. 4, or a portion only of said length, as shown'in Fig. 18, and also except that the stand B" has an inclined dovetailed groove e, formed in its inner face to receive the cutter-stock A, which is firmly secured therein by the clamping-bolt f.

The cutter-stock A has the dovetailed-shank I g to fit the dovetailed groove e in the stand B and the vertical plate or flange g, in the front face of which are formed two vertical grooves g g to register the cutter and cuttier-guard.

0 is the cutter, having a cutting edges, slightly inclined to a horizontal plane and arranged oblique to the line of feed of-the work, as shown in Figs. 4 and 18. The cutter O is also provided with the flange .0 having on its back side the rib c to'fit the groove g in the stock A, where it is secured by the'clamping-screw c, as shown in Figs. '1, 2, 3, and 4.

D is the knife-guard, provided with the flange d and the rib d to fit the groove 9 and secured to thefstocl; A by the clampingscrew (1*, the holes through the flanges c and (l being elongated, so that said Lnifc and guard may be adjusted vertically to adapt the machine to work of different thickness.

In the patcnthereinbefore cited the presserfootlever e was mounted upon a stud set in a boss on the stand 13 and moved laterally with the said stand; butinthe Goodyear machine as now constructed said lever is mount-' ed upon a stud set in some fixed portion of the frame of "the machine and has only an up-and-down movement and clamps the work firmly when the stand 11*, the awl-segment, and the awl are being moved backward after having fed {he work preparatory to puncturin g the work. for a new stitch andfeeding it another step. Thisv-presser-foo't lever e, as

modified in the machines as now built, is shown in Fig. 2,-and has secured thereto the resser-foot e", whic'his constructed and opcrates substantially as in the patent cited,

except that it has: no lateral movement and is arranged to-clamp thework firmly while.

the needle is in the work and the feed mechanism is being'retracted, as above described.

JVith-the several parts of the machine in the positions indicatedin the drawings the feeding the work.

presser-foot has been unlocked preparatory The first movement is the-feeding of th'e work a distance equal to the desired length of stitch, thereby carrying the knife 0 toward the left of Figs. 1 and 4 a corresponding distance without changing the position of its cutting edge relative to the end of the cut last made thereby; \Vhen the feecliugis completed, the presser-foot is depressed uponthe work and locked in position. The aw] is then withdrawn, during which time the needle enters the work preparatory to the formation of a stitch. The motion of the feed-slide is then reversed, and the awl and its segment are returned to'thcir I original positions, carrying with themthe en tter C, the cutting edge of which severs a section of a beveled shaving from the'welt of alength substantially correspondingto or slightly greater than the length of the stitch being sewed. Itwill be noted in this connection that along the substantially straight portions of the seam the length of the cut is substantially equal to the length of the stitch,

but that at the curved portions,.for example,

the too, it must be slightly greater in order to completcl y sever the shaving from the welt. The cutter C has formed on its front; end the depending lip 0", having a vertical cutting edge, which serves the purpose of insuring the complete severance of the skived shaving, even it" the knife should be adjusted to a higher level. than is desirable; By virtue of the cutting edge of the knife G being obiiq'uc to the line of feed of the work with the endncxt the line oft-stitches in advance when operating to cut the shaving from the welt said knife acts with a drawing out and serves to draw the work upon the work-sup- The operation of m y invent-ion is as follows port instead of temjling to crowd It oil the I work-support. v

In Figs. '18 and 1.9 amodificat-ion is illustrated, in which the 'kn'ife-guardD, movable with the cutterC, is dispensed with by cut;- tingthc rabbet r in the rear portion of the upper face of the work-support only to a point near the right-hand end of the slots, through which the needle and awl pass in piercing the work, the remaining unrabbeted port-ion of the upper surface of the work-support serving as a fixed guard to. gage the thilckness of the shavingto be cutfrom the we t. p In Letters Patent of the United States No. 540,125, issued to me upon an application filed the 2et-th day of June, 1805, I have illustrated, described; and claimed a modified. form or, a welt-bevelingattachment for solesewing machines in which the cutter is stationary and the beveling' is done by feeding the work against the cutting ed e of said cutter.

What I claiin as'new, and desire to secure by Letters-Patent of the United States, is-

1. In combination with the stitch-forming mechanism of a sewing'anachihe, a work-support; mechanism forfee din g the work; a knife located-just in the rear of the needle and awl slot in said work-support and movablewith said feed mechanism and adaptedto cut a section of a beveled shaving from the upper surface of the welt at each retraction of said feed mechanism.

' 2. Incombination with thestitch forming mechanism of a sewing-machine, a work-support; mechanism for feeding the work a knife located just in the rear of the slot in said work-support and having its cutting edge,

slightly inclined to a horizontal plane and movable with said feed mechanism; and adapted to cut a section of a beveled shaving from the upper surface of the welt at each retraction of the feed mechanism.

3. In combination with the stitclrforming mechanism of a sewing-machine, a work-support mechanism for feeding the work a knife located just at the rear of the slot in the work support, and having its cutting. edge slightly inclined to a horizontal plane and oblique to the line of feed of the work and movable with said feed mechanism, and adapted to cut a section of a beveled shaving from the upper surface of the welt at each retraction of the feed mechanism. 4. In combination with the stitch-forming mechanism of a s'ewing machinc, a work-support having the rear or inner portion of its upper surface rabbctcd or cut away as .(le' scribed; mechanism forfeedmg the .jwo'rk; a knife carried by said feed mechanism and movable in said rabbet of cut-away s'pace, whereby a section of alievcled'shaving is cut at each retraction of the feed mechanism.

5. Incombination with the stitch-forming mechanism of a sewing-machine, a work-support having the rear or inner portion of its upper surface rabbeted or cut away, as described; mechanism for feeding the work; a

knife carried by said feed mechanism and movable therewith, and located above said rabbet with its front end adjacent to the slot in said support, for thepassage of the needle,

and having a portion of its cutting edge at its front end turned downward from its main body as described.

re 6. In combination with the stitch-forming, mechanism of aeole-sewing machine, a work support having the rear or inner portion of its upper surface rabbeted or cut away as described; mechanism for ceding the work; a

15 cutter carried by said feed mechanism and movable therewith, and adapted to out a. section of a beveled shaving from the upper 'snrfaee of the welt ateach retraction of said feed mechanism; and a guard or gage. to dezo termine the thickness of said shaving. Y I 7. The combination with thestitch-forming mechanism of a shoe-sewing machine,of mechanism' for feeding the work, and welt-bevel- -ing mechanism arranged to bevel the welt '5 .duringthe sewing operation, substantially as described'.- a 1. V

' 8. The combination with theStitch-forming mechanism of a shoe-sewing machine,ot mech anirm for feeding the work, a movable cutter :56 farranged to bevel thewelt during the sewing depth of out, substantially as described.

ranged to bevel the welt and means-for ad- 7 t operation, and means for actuating said cutter, snbstantiallyas' described.

J. In a welt-beveling attachment for shoe sewing machines a welt-beveling knife hav ing a portion of the cutting edge at its front 5 end turned downward from its main body, and means foradjusting said knife to regulate the 10. .The. combination with the stitch-forming mechanismof a shoe-sewing machine,=of .40 mechanism for feeding the work, welt-beveling. mechanism for beveling the welt, and means for operating thewelt-beveling mechanismwhile the work is heldby the stitchforming mechanism, substantially as described. l v.

. 11. The combination with the stitch-forming mechanism of a shoe-sewing machine, of mechanism for feeding the work, a cutter arj nstin g the cutter todetermine the thickness of the shaving cut from the welt, substantially as described, I

In testimony whereof I have hereim'to set my hand, in the presence of two attesting wit- 5 5 nesses, this 9th day of J uly, 1896.

- JOHN B. HADAWAY.

Witnesses:

A. WHYTE, A. G. CLIFFORD,

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