US392626A - Needle-threading attachment for sewing-machines - Google Patents

Description

(No Model.)

O. N. MINER.

NEEDLE THRE'ADING ATTACHMENT FOR SEWING MACHINES. No. 392,626. Patented Nov. 13, 1888 Inventor. fMiQ Z MZ IL, %4 fr CHARLES N. MINER, OF HAVERHILL, ASSIGNOR OF ONE-HALF TO HENRY H. CLARK, OF FRANOONIA, NEIV HAMPSHIRE.

NEEDLE THREADING ATTACHM ENT FOR ssvvine mnol-nnes.

SPECIFICATION forming part of Letters Patent NO. 392,626, dated November 13, 1888.

Application filed July 23, 1888.

T0 at whom it may concern:

Be it known that I, CHARLES N. MINER, a citizen of the United States, residing at Haverhill, in the county of Grafton and State of New Hampshire, have invented certain new and useful Improvemen'tsin- NeedleThreading Devices for Sewing-Machines; and I do declare the following to be a full, elear, 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, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specification.

Figures 1 and 2 are opposite side elevations, the latter figure being partly in section; Fig. 3, a front view, Fig. 4. a rear View, and Fig. 5 a horizontal section, on line at a: of Fig. 2, of the device for threading the needle of a sewing-machine as made in accordance with my invention, said figures being made on an enlarged scale, and show the device as secured to the needle-bar of a sewing-machine.

The nature of my invention is defined in the claims hereinafter presented.

In the drawings, A denotes the needle-bar of a sewingrnachine, and B the needle.

0 is a strap-clamp, which nearly encircles said bar, is formed with ears a b, and is confined to the bar by a screw, D, which passes loosely through one ear and screws into the other of said clamp. By revolving said screw 1), the clamp can be securely fastened to the needle-bar. Projecting from said strapclamp is a stud or pin, 0, pivoted on which, and so as to swing thereon, is a long arm, E. On the outer end of the stud or pin a is fixed a segmental head, F, as shown, against the edge of which bears a spring, G, which is secured to the arm E, as represented, and when said arm is turned up, as shown in dotted lines in Fig. 2, said spring bears on the chord of the segmental head and holds the arm in its raised position.

Arranged on the arm E is a head, H, which is adapted to slide thereon, and is confined thereto by a set-screw, I. Attached to the Serial No. 280,716. (No model.)

head H is a hook, L, also two spring-guides,

K K, as represented, the latter serving as lat- 5o eral guides to direct the hook into the eye of the needle. In arranging this device for use, the clamp is to be applied to the needle-bar of a sewing-machine and the hook L arranged to stand in the same vertical plane with the vertical groove in the needle. The screw D is next to be turned to compress the clamp and confine the device to the bar A. Next the setscrew Ishonld be loosened and the head G moved on the arm till the hook L enters the eye of the needle. Next set the screw I against the arm E, and the device is ready for use. In threading the needle lay the thread in the hook when in the position shown in full lines in Fig. 2. Next raise the arm E into the position shown in dotted lines in Fig. 2. During the movement of the arm the thread will be drawn through the eye of the needle ready for use, and the arm E will remain in the latter or raised position until it is necessary to again depress it for the purpose of threading the needle. By depressing the arm E, the hook will readily enter the eye of the needle into a position to properly receive the thread.

The device hereinbefore described is a very useful one for the purpose for which it is designed and facilitates the threading of the neodle of a sewing-machine.

Having described my invention, what I claim 1sl. The sewingmachine needle-threading device, substantially as described, it consisting of the clamp provided with the stud. or pin and the segmental head and pivoted arm, said arm having a spring to bear on the segmental 85 head to hold the arm in a raised position, said arm also having arranged on it a sliding head provided with a hook and guide-springs and a set-screw for confining the head in position on said arm, in combination with the needle 0 and needle-bar of a sewing-machine, as set forth.

2. Thesewingmachineneedle-threadingdevice, substantially as described, it consisting of the clamp provided with the pivot c, to 9 5 which is fixed the segmental head F, the arm E, adapted to swing on the pivot and having secured to it a spring to bear on the head, for the purpose set forth, the sliding head H, adjustably secured to the arm and provided with 5 the hook L, all being arranged with the needlebar and to operate with the needle of a sewingineehine, for the purpose essentially as set forth.

CHARLES N. MINER.

\Vitnesses:

BENJ. W. Conn, CHAS. B. GRIsWoLD.

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