US1101208A - Sewing-machine. - Google Patents

Description

' F. CLNASH.

SEWING MACHINE.

. V APPLICATION FILED DEC. 7, 1911. 1, 1 O1', 208.

Patented June 23, 1914.

Z SHEETSSHEET 1.

P. J. NASH. i SEWING MACHINE.

- APPLICATION FILED DEC. 7, 1911. I 1,101,208. I Patented June 23, 1914 2 SHBET SSHEET 2.

I a l r L k I ;---I---1---- I I I I I I U" 1 I I I I I I I I 1 I I I I I I I l I I l I I 1 I I I I I I l Wifwaaa; g J7we52z%r ttthints nd m e P ti ular y t We thread shoe sewing niztclnnes enl'ploymg a.

- UNITED sT rnsrn ENT OFFICE;

J. NASH, OI SOMERVILLE, MASSACHUSETTS, ASSIGNQR TO UNITED SHOE MAGHINEItY-GOMPANY, 0F PATERSON, NEW JERSEY, A CORPORATION OF NEW smtsng.

SEWING-MACHINE.

Application filed December 7, 1911. Serial Np. 664,351.

To all whom it may corwev/t:

Be it known that I, FREDERICK NASH, a citizen of the United States, residing at Soinerville, in the county of Mlddlesex and State of Masst chusetts,'lm\-'e invented certu in new usefullmprovements in Sewin -Mitchin es; and I do hereby declare the to to be a full, clear, and exact description of the invention, such as will ent Others k d i the t to Wh h t uppert'ains to nelge and use the same. 7

This invent on relates to shoe sewing Straight hQ- lt ne d nd e shot upp rt n otn- In the amtttt ni o ne la of shoes of he McKay W .t af e the upper 18 ttz ol ed to the inso e, e welt is presented to e este 91' mar ns P rtion o t o of h shot an is ttt d th et by st hes pas i hrou h he we t, u a len his s t h n oper ti n, as P rto m by e mtth nt j r t e str e t work is fed by g feed point which is brought downwerd into, engqgement with the welt in WtRQ f t e mi es: nd tuh n ttlly n a line therewith at intervals and is rnoved tera ly to tteth Wo k, ist n e co pq'nd hg wit e e th of he stltch. r qui e ht t t i ntt h t' the 11' en r ft e s oe w th t ppe sur a e f the born 9 ,ers considerable resistance to the elin movem n and time the eed p nt ngages th welt a tR Shhte s t h advance of the inst stitch termed, the welt is often et use pucker or bul e between the feed oint end the last or is thrust a all tree; h de r d h r p t r when the welt is soft end flexible.

The t'thj t't t the new ent n s o proqn -e it w tl reut shoe sewing machine of tie glass heving a, straight hook needle and shoe supporting l orn by which a. Welt y be tit h m th and. e y to 4 upper and insole or to nny other piece of stock.

\Vith the above object in view the vention eonternplates the provision in a shoe sew ng machine of the cliurncter described of a welt guide and feeding means having o ed 'worh the e' he' po t ns rran ed. t gage th elt. hcl' hi o k t Whwh tee welt is being sewn respectively for positiye y f ing tht' h n fihi t (lurin he lewingoperation. By positively feeding the welt nnd the stock to which it is sewn dur ng the sewing operation, the Welt, and the stool are advanced in a reliable and satisfactory manner and the Welt is stitched smoothly and evenly t0 the said, stock.

Further feaftnres of the invention consist of certain construotions, arrtr gements' and combinations of parts, the a d fvanteges of which w be Obv ou t ne kille in the art from the following description.

I th drawi g i lust ng e ot sew machine embodying the invention, Figure l is a partial front elevation of the machine showing a welt, upper and insole in posin on h ho sup or n o Fi 2 is a detail front elevation illustrating partieulerly the welt guiding and feedin mechanisms; Fig. 3 is it front elevation o eportion of the mechanism shown in Fig. lend Fig. 4 is a section taken on the line LA of Fig. 3.

The machine illustrated in the drawing is a wax thread chain s itcl straight hook needle machine of th h'fiKttY type, which the shoe is supporte upon a rotatable horn during the sewing operation. The con I'uQ- tion and arrangement of the straight hook needle 1, the cast-off 2, 4nd the rotary work supporting l orn 3, and the mechanism for operating these parts are substantially the some {is shown and described in the patent granted to Jacob R. Scott, No. 1,QQ,5, dated Jenn-wry 141;, 1913. The machine illuste ll he lt' witt 'pwv t w th" presser foot indicate at at end illnstraitea pnrticulzuly figs. 2,3 and 4. This pi'ess er foot is provided with a depending-portion or foot proper towenguge the Work and ld he same upon, the h r dur n th stitching operation and with it shank 6 which it is attnched to the usual qresser Specification of Letters Patent. Patented J 1 11 23 1914.

foot supporting 'lilocl; 7. The bloc; "g' is mounted on :1 presser foot bgnr 8 which is c nttrtwt t h hhg tl nd p a e H Stt I tially as shown and deseribed in-said patent.

1. the dr in the ma hin h s h i tra e a operatin t s -t We t to he upper and insole of a McKay shoe. order to nssist in smoothly and evenly nttaching the welt to, the upper end insole, the ma hine is )rovided with e welt guide-to guide the weilt and to present the se ne to the insole and upper at the sewing point. This Welt guide comprisesa rettrwariily prefect 15-0 lot formed integral with the presser foot, said plate having a depending shoulder formed on the rear portion thereof. A plate 11 is attached to the under side of the shoulder 10 on the plate 9 and forms in connection with said plate and the depending work engaging portion 5 of the presser foot a welt guiding passage 12 parallel with the line of feed. A block 13 is attached to the plate 9 between said plate and the lower plate 11 to engage and guide the outer edge of the welt and in order that the welt guide may be adapted to accurately guide welts of diiierent widths, the said block is arranged a for adjustment transversely of the line feed.

This adjustment is secured in the construc tion illustrated by forming slots 14 in the plate 9 and securing the block 13 to said plate by screws 15 passingrthroug h the slots and screwed into the bloc In order to determine the position of the welt with relation to the upper and insole, an upper gage 16 is formed on the plate 11 to engage the upper in the manner shown particularly in Fig. 2. The plate 11 is secured to the shoulder 10 of the plate 9 by means of a screw 17 passing through a slot 18 in the plate 11 and screwed into said shoulder so that the gage 16 may be adjusted transversely of the line of feed to vary the position in which the welt is presented to the upper and insole. The welt is guided on its Way to the. guiding passage 12 by a guide bar 19 attached atone extremityto vthe shank of the presser foot by screws 19 and at the other to the outer portion of the shoulder 10 by the screw 19 The insole and welt are fed at intervals by means of a pair of feed points 20 and 21, mounted on the feed bar 22 and arranged to engage the insole and welt respectively as illustrated particularly in Fig. 2. The teed point ii is arranged above and in line with the welt guide to engage the outer face of the welt,

and the feed point 20 is arranged beyond or to the rear of the welt guide to engage the insole, as clearly shown in Figs. 2 and l.

The teed point 20 is arranged so that its lorwa rd extremity projects a sulliciont dis tance in advance of the point 91 to bring the said point 20 into engagen'ient with the insole at substzmtially the same time that. (he foed point 21 engages the well. member 23 mounted on the presser foot support ing block 7 and the portion 3 ol' the presser toot are respectively provided with grooves for guiding the feed points 21 and 21) in their movements toward and From the work. :1

The constriud'ion ano urrangenu-nl of Food bar and the mechanism for operal ing said bar are substantially the same us illuslraled and described in the patent rel'erred to the insole and welt and are moved laterally by the operation of said mechanism, the Well and the insole with the upper attached theret are advanced in unison a distance corre sponding to the length of the stitch in-a certain and reliable manner. By the simultaneous positive feed of the shoeand the welt, the operator is enabled to stitchthe welt smoothly and evenly to the upper and insole without the formation of folds or wrinkles in the welt and without. lateral displacement of the welt regardless of how thin or flexible the welt may be.

Although the machine embodying .the present invention as illustrated and described is of particular utility in the operation of attaching a welt to an assembled upper and insole, its use is not limited to such an operation but the machine may be conveniently employed in other analogous operations such as the sewing of a welt to an outsole.

Having explained the nature and object of the invention and having specifically described one form of mechanism in'wlnch it may be embodied, what is claimed is,-

1. A wax thread shoe sewing machine, having, in combination, stitch forming mechanism including a straight hook needle, a shoe supporting horn, a welt guide and work feeding mechanism having spaced work engaging portions arranged respectively beyond the Welt guide and in line with the welt guide to engage the stock to which the welt is being sewn and the welt.

2. A wax thread shoe sewing machine, having, in combination, stitch forming mechanism including a straight hook needle, .1 shoe supporting horn, a welt guide, a teed point arr.-mged in line with the welt guide to engage the welt, a second feed point arranged beyond the welt guide to engage the stock to which the welt is being sewn, andmeans to operate said 't'eed points lo feed the said stock and the welt in unison.

3. wax thriad shoe sewing machine, having, in combination, stitch forming mechanism including a straight hook needle, a shoe supporting born, a presser foot, a well guide mounted on the presser vfoot, a

, l'red bar, a feed point mounted on saidbar and arranged in hne with the welt guide to engage the welt, a second feed point mountabove. \Vhcn the teed points are brought. torward into respective engagement with;

ed on said bar and arranged beyond the welt guide to engage the stock to which the \velt is being sewn, and means to operate said bar to cause the feed points to engage and Feed the welt and said stock in unison.

'l-. A. wax thread shoe sewing machine having. in .combimition, stitch forming mechanisn'r including a straight. hook needle, a shoe supporting born, a presser t'oot, a welt guide'mountcd on the presser foot and having provision for adjustment to guide welts of different widths, an upper gage llo mounted on the Presser foot and arranged mechanism including a straight hook needle,

for adjustment to vary the position of pres entation of the welt to the upper and insole, a feed bar, a pair of feed points mounted on said feed bar, and arranged respectively in line with the Welt guide and beyond the welt guide to engage the Welt and insole respectively'and means to operate said feed points to feed the insole and welt in unison.

5. A wax thread shoe sewing machine having, in combination, stitch forming a shoe supporting horn, a Welt guide, a feed point arranged to engage the Welt, a second 15 feed point projecting in advance of said first feed point to engage the stock beneath the welt and means to operate said feed points to feed the said stock and the Welt in uIliSOIJ.

FREDERICK J. NASH. Witnesses:

ELIZABETH. C. Coven, HELEN G. KENNEDY.

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