US321469A - Needle-threader for sewing-machines - Google Patents

Description

(No Medel.)

S. R. WILSON.

NEEDLE THREADER FOR SEWING MACHINES. N0..321,469.

Patented July '7, 1885.

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UNITED STATES Pn'rnn'r @rricno SAMUEL R. WILSON, OF IRVING PARK, ILLINOIS.

NEEDLE-THREADER FOR SEW|NG-MACHlNES.

SPECIFICATION forming part of Letters Patent No. 321,469, dated July 7, 1885.

Application filed November 6. 1854. (N0 model.)

To aZZ whom it may concern:

Be it known that I, SAMUEL R. WILSON, residing at Irving Park, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Needle- Threaders for Sewing-Machines, of which the following, in connection with the accompanying drawings, is a specification.

In the drawings, Figure 1 is a side view of a needle-threader, showing the same as applied for use. Fig. 2 is alike representation showing another side of the threader when the latter is applied to the machine, and Fig. 3 is a sectional detail through the cylinder con taining the needle-like hook.

Like letters of reference indicate like parts.

A represents a portion of a sewing-machine head.

B is the needle-bar, and O is the presserfoot bar.

D is the needle.

E is a clasp or clamp adapted to fit upon that part of the head A through which the needle-bar and pressenfoot bar pass, and]? is a set-screw for retaining it detachably upon the said part.

G is an arm pivoted to the part E.

H is an arm having on its upper end a box, a, through which the arm G passes freely.

I is a setscrew entering the upper end of the arm H, for the purpose of clamping the said arm to the arm G, so that the arm I-I may be adjusted vertically on the arm G.

J is a small or comparatively small hollow cylinder or barrel in which are longitudinal slots 1) I). This cylinder may either he rigidly attached to the lower end of the arm H, or it may be hinged thereto, as shown at c. In the latter case the cylinder J may he swung up vertically out of the way, as indicated by the dotted or broken lines represented at c in Fig. 1.

K is a sliding block in the cylinder J.

L is a setscrew passing through the upper slot 2) and into the block K.

W is a needle -like hook, passing freely through one end or head of the cylinder J and entering the block K sufficiently to he clamped or held therein by the screw L.

' L is a pin passing through the lower slot Z) and entering the block K.

N is a spiral spring surrounding the hook M, and located between the block K and that end of the cylinder J through which the said hook passes. The spring N is an open spiral spring, and its force .is exerted against the block K, so as to hold it yieldingly away from that end of the cylinder J through which the hook passes.

O is a close spiral spring connected to the clasp or clamp E and to the arm G.

P is a-stud or pin projecting from the clasp E.

I make the stem of the hook M some way back from the hook sufficiently large to nicely fit the opening through which it projects, as shown, so as to prevent the hook from having wa-bhling or lateral movement while being moved back and forth. The hook proper and the outer end of its stem are sufficiently slender to pass through the needle-eye.

To use this needlethreading attachment for the purposes for which it is intended, I slip the clasp E upon that part of the sewing-machine head through which the needle-bar and the presser-foot bar pass, and turn the screw F in such a direction as to clamp the attachment to the head, and so that the bar G will then be pendent. This will bring the hook M directly opposite the eye of the needle. If, however, the hook should be found to be either too high or too low to enter the eye of the needle, I either lower or raise the arm H until the hook is upon the same horizontal plane with the needleeyc. The clasp E may also be moved back and forth to some extent, so as to bring the hook into a plane passing vertically through the needle-eye.

To thread the needle I pass the hook M through the needle-eye by pressing the finger upon the pin L in such a manner as to cause the hook to move in that direction, it being understood that the thread is also held in such a position as to be caught by the hook when the pin L is released. It the thread he arranged underneath and against the hook, the thread will be drawn through the needle-eye, when the pin L is released, and consequently the needle will he threaded, and the work of sewing may he proceeded with.

In order to prevent the hook and its cylinder from being in the way while using the,

machine, I have made provision for shifting the arms G and H into the position indicated by the dotted lines shown in Fig. 2, the parts being made to assume that position by simply turning them on the pivot of the arm G until the reaction of the spring 0 will hold the arms and cylinder above the clasp E, instead of below it.

'To arrange the parts so that the needle may be again threaded, I simply move the parts until the hook and its cylinder assume their original position, where they will be retained for the reason that the spring 0 will then hold the arm G against the pin or stud P.

If it be desired to prevent the cylinder J from projecting laterally while it is in its uppermost position, I fold it up against the arm H.

I desire to state that I have here shown the needle-threading attachment as adapted for operation in connection with one form of construction of the lVheeler 8: Wilson sewingmachine, but the attachment may be varied so as to be capable of being applied to any other machine by adapting the attachment, clasp, or clamp to such other machine or machines, and I would not regard such a variation as a departure from my invention, the essential features of which I will set forth in my several claims.

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

l. A needle'threading attachment for sewing-machines, in which are combined a clasp or clamp for securing the attachment to a sewing-machine, an extensible arm applied to the said clasp or clamp, and a hook adapted to pass through the needle-eye and movable in a support on the said arm, substantially as and for the purposes set forth.

2. A needle-threading attachment for sewing-machines, in which are combined a clasp or clamp for securing the attachment to a sewing-machine, a pivoted and extensible arm applied to the said clamp or clasp, and a hook adapted to pass through the needle-eye and movable in a support on the said arm, substantially as and for the purposes specified.

3. A needle-threading attachment for sewing-machines, in which are combined a clasp or clamp for securing the attachment to a sewing-machine, a pivoted and extensible arm applied to the said clasp or clamp, and a hook adapted to passthrough the needle-eye and yieldingly movable in a support on the said arm, substantially as and for the purposes set forth.

In testimony that I claim the foregoing as my own I hereto affix my signature in presence of two witnesses.

SAMUEL R. WILSON.

WVitnesses: F. F. \VARNER, J. B. HALPENNY.

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