US543295A - corn-ely - Google Patents

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US543295A US543295DA US543295A US 543295 A US543295 A US 543295A US 543295D A US543295D A US 543295DA US 543295 A US543295 A US 543295A
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    • D05BSEWING
    • D05B1/00General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
    • D05B1/08General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
    • D05B1/18Seams for protecting or securing edges
    • D05B1/20Overedge seams


(No Model.) 3 Sheets-Sheet 1.
Pafented July '23 3 Sheets- Sheet 2 (No Model.)
PatentedJuly' 23, 1895.V
77%' nes.; es.
(No Model.) f V s sheets-sheen a. E. 85 R. CORNELY.
OVBREDGE SEWING MACHINE. 10.543,295. Patented Jury 23,1895'.
3 y Fay, jf.
SPECIFICATION forming part of Letters Patent No. 543,295, dated July 2S, 1895.
Application filed J'aruiaryl 21, 1895 stitch by means of several threads, and resembles in many respects the machine described in our pending application, Serial No. 525,145, led October 6, 1894.
The stitch-forming mechanism of our present mechanism is, like that of the said prior application, adapted to be controlled by the operating-handle of the .universal feed mechanlsm.
The seam, according to the present invention, is produced by the co-operation of a reciprocating eye-pointed needle, a helicoidal `or corkscrew-shaped needle, and a shuttle.
The seam is composed of three threads, (or two if desired,) one being fed from each of the above-mentioned parts.` The operation of the helicoidal needle is substantially the same as in our apparatus above referred to, forming at each complete movement a loop both on the top and bottom of the fabric. The reciprocating eye-pointed needle (ini stead of carrying the loop from below up through the loop on the top of the fabric, as was the function of the hook-needle in our former application) loops a sepearate thread through the loops formed by the helicoidalV needle, said thread lapping from one loop to the other on the upper side of the fabric, holding these loops together against the surface thereof. The shuttle feeds a thread l through the loops in the second thread car- -sition againstv the fabric by a lock-stitch seam produced from the two additional threads by the eye-pointed needle and the shuttle in a well-known manner.
In the accompanying drawings, forming partsof this specification, Figures 1 to 4, in-
SerialNo. 53:,'706- (No model.)
clusive, are enlarged views in elevation partly in vertical section, illustrating the movements of the needles in forming a stitch. Fig. 5 is a plan view of a part of a seam, such as produced when the shuttle mechanism shown in Fig. 11 is employed. Fig.6 is an elevation, partly in section, of theA parts beneath the bed-plate. Fig. 7 is an elevation at right angles to Fig. 6. 8b are details illustrating the operation of a reciprocating looper, which may be employed in place of the shuttle shown in Fig. 6. Figs. 9 and 10 are detail views. Fig. 11 is an en larged detail view of the shuttle mechanism. Figs. 12 and 13 represent a seam produced when a reciprocating looper, such as shown in Figs. 8, 8, and 8", is employed, and Fig. 14 shows the stitch-forming devices connected with the crank-handle of universal-feed mechanism.
Referring to Figs. 1 to 4, inclusive, we will first describe the movement of the needles in forming the seam without reference to the particular mechanism for operating the same.
C represents the helicoidal needle; B, the reciprocating eye-pointed needle, and A the needle-plate. The needle C, which is carried by shaft D, has a thread-groove 16 along its outer circumference leading to the eye 3.' Shaft D reciprocates in line with its axis and also turns thereon, so that needle C has a corkscrew motion,as in the machine describedin our former application. As illustrated in Fig. 1, the needle C is at the limit of its upward movement, having passed 4through opening 2 in needle-plate A. The eye-pointed needlev carrying thread c' is, as shown, descending and its point is just about to enter opening 1 in plate A, having passed between the nee- Figs. 8, 8a', and
dle O and thread 4. From this position bothV needles descend, the needle C drawing a loop v' 4 around'the needle B (see Fig. 2) and the latter carrying thread 'L' through said loop to the under side of the fabric. The needle B',
dle() winds its thread below the cloth around needle B', and when the latter rises farther its thread is drawn upward by the take-up, and at the same timethe looper-needle C rises and passes its lthread upward, as represented in Fig. 4, where the stitch is finally completed, as represented in said figure. In this last position,the stitch being complete,it is ready to be slipped from the tongue 15 of needleplate A, which is formed by connecting openings 1 and 2 by a semicircular slot. (See Fig. 10.) The feed of the machine releases the stitch from the tongue, laying it on the fabric, against which it is tightly drawn by the succeeding movements of the needles. From the position 'shown in Fig. 4 the needles move to that shown in Fig. 1, where the formation of a new stitch begins, as above described, these operations repeating themselves ad 1Jafmum and the result being aseam similarto that illustrated in Fig. 5.
Any shuttle device may be employed in conjunction with the eye-pointed needle B when the shuttle-driver has an oscillating motion-such, .for instance, as Ithe Singer oscillating shuttle, (represented in Fig. 11,) where a represents the shuttle-case, which oscillates on its stud c and which is provided with a suitable hook 32 to seize the loop of the eyepointed needle B.
33 represents the shuttle-driver, which is secured to the pinion b and receives its oscillating motion by means of the toothed sector d', as hereinafter described.
Any suitable mechanism may be used to impart proper movements to the several needles and the shuttle. The mechanism illustrated in the drawings for operating the helicoidal needle C is similar to that shown in Figs. 9 and 10 of our pending application.,
Referring to the drawings, Q is the bedplate of the machine, beneath which is a frame R, resting upon bracket P, in which shaft D, carrying the needle C, has bearings. Said shaft D passes through a hollow worin-shaft U, to which it is adjustably secured by a thumb-nut u. Shaft U has a longitudinal groove h along one side thereof and engages an interiorly-threaded fixed nut O, secured in frame R by a pin o. A bevel-pinion M encirclesv shaft U below nut O, being supported in place by a plate N, secured to frame R. The pinion M is provided with an inwardly projecting tooth g or feather, which engages in groove h, causing shaft U to rotate with C the pinion, but leaving it free tomove longitudinally. The bevel-pinion is oscillated by a toothed sector L, meshing therewith, said sector being rocked on its pivot by a link K, connected with a reciprocating sleeve I-I, to which motion is imparted from operating parts of the machine by pitman G. It will thus be seen that the oscillation of pinion M produces the necessary rotary and reciprocatory movements of needle C.
The machine herein described being adapted to be governed by the crank-handle of a universal feeding mechanism the frame R, with all its connections, must be so mounted as to rotate. To this end its upper end projects into au opening in bed-plate Q, beneath which it is encircled byagear-wheel y, driven from the crank-handle through gears .fr w v, shaft u, and gears 8, 7, and 6, as shown in Fig. 14. v
In our present machine, wherein a shuttlecase a is employed, additional mechanism is required to operate the same. This mechanism, which is mounted on and carried by the frame R, consists of a toothedsector d', pivoted to the frame by a screw g and oscillated by a link h', connected with the reciprocating sleeve I-I. The teeth of sector d engage a pinion b', carrying shuttle a and bearing on a shaft c', screwed into the frame R.` The shuttle d and its accessory parts operates in a well-known manner to pass the thread o through the needle-loop in thread t', which requires no explanation. It is evident that 'the threaded needle can also work in conjunction With a reciprocating looper z, Figs.
8, 8a, and 8b, instead of the shuttle a', to produce the seam illustrated in Figs. 12 and 13. The looper z is secured to the oscillating pinion b and catches the loop of needle B when turning to the left, Fig. 8, spreading said loop on its further motion while the needle is rising, so that on the return motion of thelooper z, and as the needle B descends, it will stitch into the spread-loop, as represented at Figs.
8a and 8b, thus producing the seam referred to, comprising loops 4 and chain-stitches 5. The production of the overseaming stitch will be the same as represented at Figs. 1, 2, 3, and 4, only with the difference that a chain-stitch will be produced on the lower side of the materialinstead of the shuttle-stitch represented in Fig. 5.
It will of course be understood that ourinmovements, whereby a series of loops are p formed on both sides of the fabric and said loops secured to the fabric by said seam, as set forth.
2. In a sewing machine, the combination,
with the reciprocating eye-pointed straight needle and a complemental lock-stitch loop` taker, and means for operating the same to form a seam, of the helicoidal eye -pointed needle and means for giving thelatter longitudinally reciprocating movements and axial oscillating movements, whereby a series of loops are formed on both sides of the fabric and said loops secured to the fabric by said seam, as set forth.
3. In a sewing machine, the combination .with a universal feed-mechanism of a reciprocating eye-pointed straight needle and its complemental loop-taker, means for operat` ing the same to forma seam, a`helicoidal eyepointed needle, means for giving the latter longitudinally reciprocating movements and axial oscillating movements wherebya series of loops are formed on both sides of the fabric and secured to the fabric bysaid seam, a
rotatable frame carrying the helicoidal needle, its complemental loop-taker and their operating mechanism, and connections between said frame and the controlling handle of the feed-mechanism whereby the frame is operated by the latter, substantially as described.
In testimony whereof we have signed this specication in the presence of two subscribing witnesses. Y
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070034111A1 (en) * 2005-08-12 2007-02-15 Arbab Khan Modular vehicle roof platform system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070034111A1 (en) * 2005-08-12 2007-02-15 Arbab Khan Modular vehicle roof platform system

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