US621950A

US621950A - Needle

Info

Publication number: US621950A
Authority: US
Publication date: 1899-03-28
Anticipated expiration: 1916-03-28

Description

No. 62l,950. Patented Mar. 28, I899. w. H. STEWART & A. N. AMES.

NEEDLE.

(Application filed May 12, 1897.)

(No Model.)

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UNTTEE STATES FEicE.

PATENT IVALTER H. STEWART AND ARTHUR N. AMES, OF FRANKLIN, NEW

HAMPSHIRE.

NEEDLE.

SPECIFICATION forming part of Letters Patent No. 621,950, dated March 28, 1899.

\ Application filed May 12, 1897. Serial No. 636,206. (No model.

To all whom it may concern.-

Be it known that we, WALTER H- STEWART and ARTHUR N. AMES, of Franklin, in the county of Merrimac and State of New Hampshire, have invented certain new and useful Improvements in Needles, of which the following is a specification.

This invention has for its object the production of a novel needle; and it consists in the novel features of construction and relative arrangement of parts hereinafter fully described in the specification, clearly illustrated in the drawings, and particularly pointed out in the claim.

Reference is to be had to the accompanying drawings, forming a part of this application, in which like characters are used to indicate like parts wherever they occur.

Figure 1 represents in side elevation a needle constructed in accordance with our invention. Fig. 2represents aside elevation showing a way of forming the heel or lug part of the needle with which the knitting-cam engages. Fig. 3 represents an edge elevation of the same.

Referring to the drawings, in the embodiment of our invention therein shown and selected by us for the purpose of illustration, a represents a needle, here shown as a knitting-needle of thekind commonly designated as latch-needles. This needle comprises a shank portion, one end a of which is formed with the usual hook c with which cooperates a latch a in the usual manner. These parts may be of any desired construction. The lug portion a of the shank is formed of sheet metal or flat steel and is constructed separately from the latch portion of the shank, which is formed of wire or in the ordinary way. The two portions of the shank are then placed end to end and are electrically welded together at a In Figs. 2 and 3 the lug is formed by splitting the metal and bending the parts to shape, as shown.

Other forms will suggest themselves to those skilled in the art; but the invention is the same in both formsthat is to say, electrically welding the members of the shank of the needle together, whereby the needle may be made in separate parts and fastened and the parts assembled. By electrically welding the parts are firmly bound together end to end as an entity without overlapping and may be tempered or manipulated as one piece without the objections arising from the use of brazing material, the needle constructed in accordance with my invention having the same strength at the point of weld as at anyother point, which is not true of needles having their parts brazed together. Moreover, the cost of manufacture of the needle is greatly reduced, since, as already stated, the needle may be made in separate parts and the parts afterward secured as stated, thereby permitting these parts to be made by stamping or bending. Moreover, the lug portion of the shank being constructed of flat steel or sheet metal affords a long wide hearing on the walls of the groovein the machine in which it is inserted. Thus there will not be that tendency to spring or bend, as is the case sometimes when the walls of the grooves are thin and the lug portion of the needle is round in cross-section.

We do not limit ourselves to any particular form of needle, but consider our invention to apply to knitting-machine or other needles whose latch and lug members are electrically welded together, it being evident, of course, that the weld may be made at any desired part of the needle-that is, between the lug portion of the shank and the latch portion thereof.

Having thus explained the nature of our invention and described certain ways of embodying the same, without, however, having attempted to set forth all of the forms in which in may be embodied or all the modesv of its use, we declare that what we claim, and dedesire to secure by Letters Patent, is-- As a new article of manufacture, an improved needle consisting of a latch member and a lug member, the latter being formed of sheet metal, each being formed separately and the twobeing electrically welded together end to end and flush with each other at the point of meeting. In testimony whereof we have signed our names to this specification, in the presence of two subscribing witnesses, this 26th day of April, A. D. 1897.

IVALTER H. STEIVART. ARTHUR N. AMES.

Witnesses:

FRANK PROO'IOR, OALIX MORIN, Jr.