US285937A - Presser-foot for sewing-machine s - Google Patents

Description

(No Model.)

E. T. THOMAS.

PRESSER FOOT FOR SEWING MACHINES. No. 285,937. Patented Oct. 2, 1883.

1 6 it 7 2 M UNrrnn rates PATENT FFICT.

EDDY T. THOMAS, OF NEW' YORK, N. Y., ASSIGNOR TO THE NEWV HOME SEWING MACHINE COMPANY, OF ORANGE, MASSACHUSETTS.

PRESSER FOOT FOR SEWING MACHINES.

SPECIFICATION forming part of Letters Patent No. 285,937, dated October 2, 1883.

Application filed July10.1883. (No model.)

To aZZ whom, it may concern.-

Be it known that I, EDDY T. THOMAS, of New York, county and State of New York, have invented an Improvement in Presser- Feet for Sewing-Machines, of which the following description, in connection with the ac companying drawings, is a specification, like letters on the drawings representing like parts.

This invention has for its object improvements in the manner of attaching he foot to the presser-bar, whereby the foot is enabled to be held very firmly, and whereby the foot may be turned or adjusted axially upon the bar without getting it out of line.

My invention consists in the combination, with a resser-bar and a nut thereon, of a slotted foot having an annular guide adapted to co-operate with the lower edge of the nut, which is made the reverse of and engages the said guide.

Figure 1 is a partial side elevation and section of a presser bar and foot embodying my invention,- Fig. 2, a top view of the foot alone; and Fig. 3 is a view similar to Fig. 1, illustrating a modification of my invention.

The presser-bar A is provided at or near its lower end with an annular groove or space, into which is entered the forked end 2 of the presser-foot B, the forward part of which is and may be of any usual shape. This groove orspace may be made by cutting away the bar (see Fig. 1) near its lower end by means of a suitable metal-cutting tool, or by providing the the lower end of the bar with a screw, 0, the head of which forms the abutment or rest for the lower side of the forked end of the presserfoot. The presser-foot at its upper side, about its forked end, is provided with an annular guide, (Z, which may be either an annular depression, as in Figs. 1 and 2, or an annular projection, as in Fig. 3. The presser-bar, near its lower end, is provided with ascrew-thread, e, which receives upon it a nut, f, the lower end of which is shaped the reverse of the annular guide d of the foot, and cooperates therewith, one fitting closely into the other, as shown in Figs. 1 and 2, so that the presserfoot cannot be removed from the bar without the guide-- surfaces are removed from contact; but while the said surfaces are in contact the nut f may be turned slightly to lessen its pressure on the foot, after which, by reason of the annular guide, the said presser-foot may be turned axially without getting it out of its proper central position with relation to the presser-bar. The tapering sh ape given to the annular guide of the foot and the reversely-shaped co-operating nut, as the nut is forced against the foot, acts to correctly center the foot.

I am' aware that a nut has been employed to secure a slotted presser in position, a plain face of the nut acting against a plain face of the foot.

I claim The combination, with the presser-bar and the presser-foot provided with an annular guide, of an adjustable clamping-nut made movable upon the bar, and having its lower end adapted to engage the annular guide of the foot, to operate substantially as described.

In testimony whereof I have signed my name to thisspecification in the presence of two subscribing Witnesses.

EDDY T. THOMAS. Witnesses:

Trros. S. HUNTINGTON, W. H. Hicks.

Images