US1333259A - Sewing-machine needle - Google Patents

Description

W J. KENDIG.

SEWING MACHINE NEEDLE.

APPLICATION FILED JAN. 24. 1919.

Patented Mar. 9, 1920.

k Quorum;

UNITED STATES PATENT. OFFICE.

WI'IMER :r. KEnnIe, or LANCASTER, rnnnsrnvanre, nss'renon -o'ronn-roon'rn To CHRISTIAN H. KENDIG, or :enan ne, rnnnsrtrania.

SEWING-MACHINE NEEDLE.

Application filed-January 24,1919. Seria1.No.-272,8 13.

tain new and useful Improvements in Sewing-Maehine Needles, of which the follow ing is a specification.

Thisinvention relates to-improvements in sewing machine needles and the object is to.

provide a needle into which the thread may be inserted with ease.

The invention consists informing a'hollow needle from a strip of metal, bent to substantially tubular form, and having a longitudinal slot'in the sewing end thereof,

with a thread engaging ear at one end or the slot and an eye at the opposite or lower end and in close proximity to the point of the needle.

e, The invention represents a step forward in the art as disclosed in United States Letters Patent No. 1,07 3,140, issued to me under date of September 16th, 1918.

As compared with the device disclosed in said patent, my presentinvention is more snnple 1n construction and 1t espec1ally pr ture, namely, the tendency 1J0 shear off the thread wh le in operation.

The inventlon isv more fully describedin the following specificationand clearly illustrated n the accompanymg drawing, in

which 1 Figure 1 represents the blank stripof metal from which the needle is to be formed.

Fig. 9. represents the needle, formed by turznn g sald sheet into tubular form.

Fig. 3 represents a side View ot'a portion of the needle, at the juncture of the larger and smaller diameters, and showing the thread engaging ear at 'oneside. t

Fig. 4; represents, in exaggerated form, a cross-section 0'1 the needle taken through l of Fig. 2.

.Fig, 5 is an ing in the slot. The numeral 1 siderably widerthan thelower portion. At

the point where the wider portion merges v Specification of Letters ream.

elevational viewof the por f tion shown in Fig. 4, with the thread restdesignates a blank or strip of metal, the upper portion of which is confatented Mar. 9,1920.

I point l and immediately above the point where this point formation begins, I cut a substantially semi-circular indentation 5 in the longitudinal edge, at the side opposite that in which the slot 3 is cut.

This blank forms theentire body from which the finished needle is made.

The blank is turned into substantially tubular form, as shown in Fig. 2, the upper portion forming a body of larger diameter than the lower portion.

The ear 2, by which the thread is engaged while inserting 1t-1nto the needle, is bent,

- I In the upper portion, the meeting longitudinal edges abut, as shown at 6, while the lower portion ot the needle, that 1s,.the

as shown in Fig. 3,'to'torma spring or snap J device to prevent the thread from disengaging itself after 1t has been inserted The eye 5, 1n the lower extremity of the needle, is partiallyclosed by the 0verlapping edge 7, and the meeting edges at the lower extremity are rolled into a point 10; rides for overcoming one objectionable fea In inserting the thread, it is drawnunder the ear 2 and then pulled down along the needle body, passing through the slot 9 and into the hollow interior of the needle, until the eye 5 .is reached, where it passes out.

During the act of sewing, while the needle moves vertically through the cloth, the thread beyond the eye is, carried along with the needle, and to insure against the thread I being sheared off by the cloth, I provide this longitudinal slot 9., into which the thread 11 forced, and where it lies, protected from contact with the cloth, as clearly shown in -Figs4 and 5'.

The construction of the needle is trelnely si1nple,;f and this tendency to shear as the thread is entirely overcome.

. Having thus described my invention, I

1. A hollow sewing machine needle, whose.

cross section is substantially circular, one end of which 1s reduced in diameterand formed with a longitudinal slot terminating in an eye, one edge of" the metal along the slot being spaced from the other and overlapping it, to form a longitudinal opening or slot, and a threadengaging ear at the other end.

2. A hollow sewing machine needle pro slotted from the'top tothe eye thereby proslot.

vided with an eye near the pointed end, and are spaced apart to form a longitndinel '10 viding adjacent edge portions and including In testimony whereof I aflix my signature.

' an upper portion of circular cross-section Whose longitudinal edges abut, and. a thread I WITMER' KENDLG' engaging ear formed at the lower extremity Witnesses:

of said abutting edges, and a lower portion CHAS. S. MARTIN, 7

whose longitudinal edges overlap each other 7 H. E. MOO E.-

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