US838183A - Shoe-sewing machine. - Google Patents

Description

No- 838,183. PATENTED DEC. 11, 1906. J. B. HADAWAY.

SHOE SEWING MACHINE.

APPLICATION FILED MAY 9, 1904.

3 SHEETS-SHEET 1.

No. 838,183. PAT-ENTED DEC. 1-1, 190-6. J. B. HADAWAY.

SHOE SEWING MACHINE.

APPLICATION FILED MAY 9, 1904.

3 SHEETS-SHEET 2.

flweizfzw -&MM KW 40a No. 838,183. PATENTED DEC. '11, 1906. J. B. HADAWAY.

SHOE SEWING MACHINE.

APPLICATION FILED MAY 9, 1904.

3 SHEETS-SHEBT Z em?" UNITED STATES PATENT OFFICE.

Specification of Letters Patent.

Patented Dec. 11, 1906.

Application filed May 9,1904: Serial No- 207.006.

To a whom it may concern;

Be it known that 1, JOHN B. HADAWAY, a citizen of the United States, residing at Brockton, in the county of Plymouth and State of Massachusetts, have invented certain new and useful Improvements in Shoe- Sewing Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

. This invention relates to shoe-sewing machines having means for separating or indenting the stitches during the operation of ing the sole of a shoe to the welt.

In an ap lication filed by me January 16, 1904, SeriaFNo. 189,249, it was proposed to provide mechanismfor throwing the stitchseparating means out of operation during the continued operation of the machine, so that in sewing a shoe the seam at the shank portion should, if desired, be left vunseparated or unindented, while the seam at the fore part should be indented or separated.

In sewing the sole of a shoe it is usual to J lengthen the stitches in the shank; and the object of the present invention is to provide a machine of the character above described with means 0 crating simultaneously to throw the stitch-separating mechanism out of operation and to lengthen the stitches, so

. that a single operation only may be necessary in order to change the length of the stitches and to throw the indenting mechanism into orout of operation. i

To this end the invention consists in the sewing-machine hereinafter described, and particularlydefined in the claim.

The invention is applicable to different forms of sewing-machines irrespective of the nature of the stitches formed or the form or mode of operation of the sewing instrumentalities, and it may be embodied in a fair stitch machine, as well as in an outsole-stitching machine.

The invention as illustrated in the drawings is embodied as an improvement in the machine described and shown in Letters Patent of the United States No. 616,314, granted to me December 20, 1898. V

In the drawings, Figure 1 is a front elevation of a portion of a sewirg-machine embodying the present invention. Fig. 2 is a plan of the same, and Fig. 3 is a right-hand side elevation.

SEW-

- main shaft 33 o the sewingmachine.

- With the exception of the means for throwing the stitch-separating device into and out of operation the illustrated embodiment of the present invention is constructed like that of the above mentioned Letters Patent. The stitch-forming mechanism is, as in the said atent, substantially like that shown and escribed in United States Patent N 0. 473,870, issued to the Goodyear Shoe Ma-' .chinery Company as assignee of Z. T. French and William C. Meyer, dated April 26, 1892, to which patent reference may be had for information. concerning the parts of the machine not shown in the accompanying drawmgs.

The sewing instrumentalities shown in the drawings comprise the needle 1,the awl 2, the work-support 3, and the resser-foot 4, all constructed and operating as in the said Patent No. 473,870, with the exception of the modification of the presser-foot mechanism described in the'said patent No. 616,314.

The needle is carried by a segment 5, loosely mounted on a stud 6, ro'ecting from the horizontal portion 7f'of t e frame ofthe machine. The awl is carried by a segment 8, loosely mounted on a stud 9, carried by the standard 10, rising from the feed-slide 11.

The resser-foot is securedto a lever 12, pivoted on the stud 13, secured to apart 14 of the frame of the machine.

,The stitch-separating" mechanism .in its general construction and mode 'of-operation is substantially identical with the stitch-Se arating mechanism illustrated and descri ed in the said Patent No. 616,314. It is provided, however, with means for throwing it into and out of 0 eration, and these means are interconnects with the means for changing the feed to lengthen the stitches. The

stitch-separating tool23 is actuated, as in said patent, by mechanism comprisin a camlever 29, carrying a roll .31, whic bears ry of a cam 32 on the against the peri The cam-lever 29 is fulcrumed on a stud 30, which which latter is provided with a pin carrying a slide-block in operativeengagement with the arc-shaped slot in the under side oi the feedlever 51. The feed-regulating lever 50 is actuated by a hand-lever 53, which is provided with a tapered adjustable block 54,

whichis'located in a tapered opening between two ro'jections on the feed-regulating lever 50.. y adjustin the block 54 back and forth on the hand-lever 53 more or less lost motion may be provided between the lengthen the feed upon reaching the shank hand-lever and the feed-regulating lever. The hand-lever 53 is provided with a downwardly-extended portion which carries a pivoted pin 55, which receives through a hole 1n its head a rod 56. This rod carries split collars 57, which are adapted to engage the op osite sides of the head of the pin 55. The ro 56 isconnected to a lever 58, pivoted at 59 to asmall bracket 60, which 1s secured u on the lever-shaft 61 in the rear of the mac he. The up er end of the lever 58 is connected by a lin 62 with the lever 40. The

above-described arrangement is such that when the hand-lever 53 is moved forward to the stitch-separating.mechanism is thrown out of operation through the connecting devices described, so that the simultaneous lengthening of the stitch and throwing out of throw of the hand-lever 53.

the stitch-separating mechanism is secured. Owing to the variations in the length of stitches which may be employed in the difierent qualities of work, the lost-motion con.- struction between the hand-lever 53 and the feed-regulating lever is provided, so that a considerable variation in the length of the stitches may be secured with a constant -Inordinary use the stitcher provided with the resent mechanism will be 0 erated in the ollowing manneri The ban -lever 53 being in its forward position to cause the feed mechanism to feed the work the proper distance for thelformation of the long stitches along the shank and the hand-lever 40 being in its rear position holding thestitch-separatin devices out of operation, the sewing of the s oe will be begun near the heel on the ing ino erative until the shank is completed,

when t e hand-lever 53 will be moved rear- Wardly to shorten the stitches, this move-v ment simultaneously throwing the stitchseparating mechanism into operation by the means described. Then the'sewing around the fore part of the shoe will be continued, with the stitch-separating mechanism operating to separate and indent the intervals between the stitches upon this part of the shoe until the opposite side of the shank near the ball is reached, when the lever 53 will again be drawn forward to lengthen the stitches and to throw the stitch-separating mechanism out of operation. The sewing of the other side of the shank of'the shoe will then be completed by an unindented seam. When the operator takes up the next shoe, he begins sewing with the parts in the position in which he lift of! sewing the previous shoe, and the operations recited are repeated.

Having thus described the invention, what is claimed is- A shoe-sewing machine, having, in combination, stitch-forming mechanism, feeding means, feed-regulating means, stitch-separating mechanism, and connected means for throwin the stitch-separating mechanism into an out of operation and operating the feed-regulating means, substantially as described. I

In testimony whereof I affix my signature in presence of two witnesses.

JOHN B. HADAVVAY.

Witnesses:

HORACE VAN EVEREN, FARNUM F. DoRsEY.

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