US31214A

US31214A - Improvement in sewing-machines

Info

Publication number: US31214A
Authority: US
Publication date: 1861-01-22
Anticipated expiration: 1878-01-22

Description

Q. RlCE. Sewing Machine.

Patented Jan. 22, 1861.

r, wcuningmn, D. C.

UNITED STATES PATENT OEEICEO QUAETUs EIC'E, OF NEVADA, CALIFORNIA, AssIeNOE To LORENZO RICE, OE wEsT wINsTED, CONNECTICUT.

IMPROVEMENT iN SEWING-MACHINES.

Specification forming part of Letters Patent No. 31,214, dated January 22, 1861.

To all whom it may concern:

Be it known that I, QUARTUS RICE, of Nevada, in the county of Nevada and State of California, have invented a new and useful Improvementin Sewing-Machines; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawings, making a part of this specification, in which- Figure l is a horizontal section of the machine.' Fig. 2 is a transverse section at y y, but showing the adjusting-screw oi'gage. Fig. 3 is a plan.

Similar letters ot reference indicate corresponding parts in the several figures.

The subject of my said invention is a Inachine adapted to sew continuous tubular work of indeinite length for hydraulic hose and analogous purposes; and it consists essentially in the combination, with sewing apparatus of common form, of guide-rollers and an internal gage, operating as hereinafter eX- plained.

The present illustration represents three needles, A, working side by side in a common needle-carrier, B, reciprocated in guides C by means of lever D and-crank E. These parts, as well 's the spools F, feed-moven'ient G H I, and loopers J, may be of common construction and arrangement, and therefore require no specific description.

K Kl are two parts of a gage, having together an approximately-cylindrical form, and adjusted in distance asunder by means of a shaft, L, having a right and left screw at its respective ends.

M M are feed-rollers, rotated in direction `of the arrows. In practice the said rollers are placed at a considerable distance from the gage K K', so that the finished hose will pass freely off the. end of the latter and between the rollers. u

N N are guide-rollers, formed and placed as shown in Figs. 1 and 2, and mounted upon shafts a a, jourualed in bearings O O', the upper of which, O, are clamped adjustably tothe frame by means of a screwbolt and nut 0, so as to permit the adjustment of the upper ends of the shafts in a line parallel with the axis of the gage K K,so as to set the rollers vertically or at any needful inclination to vary their effect upon the cloth, as will be hereinafter Y explained.

P is an additional feed-roller, rotated in the and in this position pass under the action of the needles, by which they are tightly stitched together with three parallel seams. The completed hose, after passing off the end of the gage, is drawn between the feed-roller M, the rotation of which imparts to it the needful in termittent motion.

It will be observed that the attachment of V the gage K K is wholly at top and at its rear end, so that the strip of cloth may be introduced beneath it at back, and after passing the leverj of the loopers may meet with no obstruction to the connection of its edges. By this means continuous tubing of indefinite length may be produced.

To form tubing of smaller or larger diameter, the distance between the parts K and K of the gage is diminished or increased by the rotation of the shaft L.

By setting the upper ends of the shafts a of the guide-rollers N forward or backward the tightness of the compression of the cloth around the gage may be regulated as desired.

The positions of the cloth and the thread are indicated by red lines.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

l. The combination, wit-h a sewing-machine of any suitable construction, of the gage K K', constructed and operating, substantially as set forth, to produce continuous tubular work.

2. The adjustable guide-rollers N N, operating in combination with the gage K K', substan tially as and for the purpose set forth.

3. The general combination of the feedmovement G H I M, sewing mechanism A B C D, gage K K', and rollers N P, arranged and operating substantially as and forthe purposes set forth.

QUARTUS RICE. Witnesses:

OoTAvIUs KNIGHT, L. W. BEUDR.