US1500389A - Snap fastener - Google Patents

Description

July 8, 1924.- 1,500,389

G. A. HOLMES SNAP FASTENER Filed April 26 1921 Inventor eorge .11 Hal-n1 es flay.

Patented July 8, 1924.

UNITED STATES PATENT OFFICE.

GEORGE A. HOLMES, OF NEWTON CENTER, MASSACHUSETTS, ASSIGNOR T UNITED STATES FASTENER COMPANY, A CORPORATION OF MAINE.

SNAP FASTENER. 7

Application filed April 26, 1921. Serial No. 484,521.

T 0 all whom it 'IIZlZj/ concern:

Be it known that I. GEORGE A. HOLMES,

a citizen of the United States, and a resident of Newton Center. in the county of Middlesex and State of Massachusetts. have invented an Improvement in Snap Fasteners, of which the following description, in

' connection with the accompanying drawing,

is a specification, like reference characters on the drawing designating like parts.

This invention relates to a stud and socket fastener of the kind commonly known as snap fasteners, and consists in a novel construction of the socket member,

The fastener is of the kind in which the socket is the resilient member, having an expansible mouth through which the head of the stud may be crowded, and the construction of the socket proper is such that the resilient contractibility' of the mouth may be utilized in combination with a body portion which serves as the medium by which the socket is attached to the fabric, or portion of the material to be fastened by engagement of the socket with the stud.

The fastener shown as an illustration of this invention is suitable for fastening a rug or carpet to the floor, or for fastening a vehicle curtain to the body of the vehicle, or, by a modification of the means for atpiachment of the stud, to another curtain Fig. 1, is aplan or face view of a snap fastener socket member, as seen looking into the mouth of the socket;

Fig. 2, a transverse section thereof on an enlarged scale; and

Fig. 3, a side elevation of a stud member suitable for co-operation with said socket, on the same scale as in Fig. 2.

The socket proper 2 is in the form of a shallow cup having its sides split or cut as shown at 3 so as to make the walls around the mouth of the socket, that is,'the open end of the cup, capable of movement in the radial direction by the springing of the material, to co-operate with a suitable stud 20 (see Fig, 3) in the usual manner as is well known and needs no further explanation.

The side walls of the socket cup converge from the base or closed end towards the month. which is surrounded by a relatively thick lip as shown at 5 which may be made by folding back the metal around the mouth as shown.

Thus the mouth entrance is rounded. which facilitates the entrance of the stud head, and the inside diameter of the lip is considerably less than the outside diameter. which latter is about equal to the external diameter of the base at 6.

The body component of the socket memher which may serve as the medium for attachment to the fabric or part to be fastened, is shown as in the form of a concavo convex annulus 7 the central opening 8 of which is somewhat smaller than the external dimension of the lip 5 and of the base at 6 but larger than the side of the cup between the lip 5 and base 6 as appears in Fig. 2.

The socket proper may be assembled with the body 7 by crowding the lip 5 through the opening 8 from above as seen in Fig. 2,

, the mouth being compressed and contracted in this operation like a stud member in the usual operation of a snap fastener having a resilient stud to co-operate with a rigid socket.

The cuts 3 which provide for the resilient action of the socket mouth terminate below the enlarged part of the base at 6 so that the latter is substantially unyielding and cannot be forced through the opening 8 in the body 7 and there is nothing under the conditions incident to use which would tend to force the mouth of the socket back through the opening 8 to separate the socket 2 from the body 7,

The body 7 is shown in Fig. 1, as being provided with holes 9 by use of which it may be sewn to a fabric or which may receive prongs from a fastener passed through the fabric from the other side.

The socket piece 2 is shown as also provided with an aperture 4 in the closed end which may be utilized to secure the socket to a fabric by engagement with the stem of an eyelet passed through the fabric from the other side.

The opening 8 in the body piece 7 while being small enough effectively toconfine the socket, is large enough to afford adequate space for the expansion of the socket mouth in the operation of-introducing and removing the'head of the stud 20 in the customary use of the fastener.

The socket piece 2 normally operates like the usual resilient socket or female member of the fastener, yielding outward or being expanded by the entrance of the stud 20,

' but in its co-operation with the body piece it operates like the usual resilient male member or stud, being contracted in passing through the opening 8 of said body piece 5 and then expanding by its own resilience to retain ,it securely fastened therein. 7

I claim A socket member of a snap fastener consisting of a cup shaped socket piece the side 10 walls of which are convergent from the closed toward the open end of the cup and terminate in an outwardly convex mouth,

the external diameter of which is approximately the same as that of the base of the cup, the said side walls and mouth being split and adapted to ield inwardly or outwardly, combined wit a body piece having an opening of smaller diameter than' the external diameter of the socket mouth and adapted to be assembled with the socket piece by crowding the mouth of the socket piece through the opening of the body piece.

GEORGE A. HOLMES.

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