US2125125A - Snap fastener socket - Google Patents

Description

y 1938- D. REITER SNAP FASTENER SOCKET I Filed July 2. 1937 I VENTOR flame] I 2321 fer ATT RNEY Patented July 26, 1938 warren STATES 6 Claims.

This invention relates to snap fastener assemblies and particularly to that type adapted to be secured to articles of apparel of knitted or Woven textiles or the like material and which are intended to be pressed as by ironing or the like.

The various objects of my invention will be clear from the description which follows and from the drawing, in which,

Fig. 1 is a partial front elevation and partial vertical section of my improved snap fastener assembly or installation, as it appears when assembled to the sheets of material which are to be detachably fastened together.

15 Fig. 2 is a top plan view of the socket member of the assembly as it appears prior to its attachment to a sheet of material.

In the practical embodiment of my invention which I have shown by way of example, the sheet 0 to which the socket member ll is secured as by means of the pronged cap member l2, may be of any type, though my invention is particularly applicable to a sheet made of knitted fabric. The prongs [3 of the cap member 52 pass through the 25 sheet l8 and between the threads thereof without cutting the threads and thereby avoiding danger of ravelling, in the manner more particularly shown and described in my prior Patent No. 2,080,379 for socket, dated May 11th, 1937. Reference is therefore made to said prior patent for a more complete description of the cap l2, and of the various modified forms thereof.

The socket H is made preferably of a single piece of sheet metal, slitted, slotted, rolled or pressed preferably from a flat blank. The outermost portion M of the socket constitutes an anvil for turning over the prongs l3 of the cap to secure the socket to one side E of the sheet It, while the greater part of the cap i2 is arranged 40 on the other side of said sheet. Said anvil portion is divided into a plurality of separate tongues l5 as by means of the preferably radial slits H, the adjacent side edges of said tongues being preferably in contact. The anvil portion l 4 may, therefore, be formed from a substantially fiat blank by rolling or the like, without wrinkling or distorting the peripheral edge portion thus rolled or turned over. Sufficient material may be removed from between the slits ll of the flat blank from which the socket is formed, to cause the adjacent side edges of said tongues to contact or nearly so in the finished anvil portion of the socket and to provide a substantially smooth, continuous and unwrinkled peripheral surface on a said portion free of excess material.

In order, however, that said tongues 16 may adequately resist the thrust or outward pressure of the prongs it when said prongs are forced against the anvil portion l4 during the assembly of the socket l l to its cap, said tongues are interlocked with each other by suitable means which will now be describe"- Said means comprises the tab it of less width than the length of the slit [1, but projecting from one side edge of each of the tongues it in a circumferential direction and of sufficient length to overlap the adjacent portion of the next adjacent tongue. In order, however, that the tab l8 be not interposed in the path of the prong l3 during the bending movement of said prong, I prefer to provide a suitable recess as IS in that portion of the other side edge of the tongue overlying the tab l8.

Said recess is formed by pressing outwardly a sufiicient amount of that part of the material of the tongue overlying the tab it. There is thus provided an outward projection as 20 on the outer surface of the tongue as well as the recess li-i on the inner face thereof, said recess receiving the tab with the inner face M of said tab arranged in such a manner that it is substantially continuous with the inner face 22 of the anvil portion M. The lowermost part 23 of the wall constituting said anvil portion of the socket member IE, is unslitted and continues upwardly to form the substantially vertical unslitted and imperiorate inner wall 24 of the anvil portion. At the upper end of said wall 24, is arranged the substantially 180 unslitted and imperforate bend 25 forming a bracing and reinforcing means for the wall 24 to strengthen said wall under the thrust of the prong l3.

It will be noted that the uppermost point of the bend 25 is arranged below the uppermost part of the remainder of the anvil portion M whereby the substantially vertical socket wall proper 2%, which depends from the innermost portion of the bend 25, is protected against the pressure, shock and blow of the pressing iron, when the sheet Iii is ironed. Said wall 26 terminates at its lowermost edge above the lowermost element of the bottom anvil wall portion 23. The free edge portion 27 of the socket wall 26 is rolled first inwardly and then upwardly and outwardly to form a bend designed to enter and engage and hold the neck 28 of a suitable stud 29. A-series of substantially upright spaced slits as 30 are made in the wall 26, said slits also passing through the stud-neck engaging portion 2?, but terminating as has been hereinbefore explained a substantial distance below the top of the bend 25, so that said bend is substantially rigid and adequately braces the wall 24. Said slits til are made in the wall 26 to separate said wall into resilient stud-engaging fingers 3! adapted to yield under the pressure of the stud 29. Said fingers hinge about the material adjacent the upper ends of the slits and form an adequate resilient engagement with the stud, being protected nevertheless by the bend 25 and the wall part 23 of the anvil against possibility of distortion during pressing or ironing operations upon the garment. The anvil portion It also projects sufliciently below said fingers 3| to protect said fingers, the tongues l5 projecting at their free peripheral edges sufficiently above the bend 25 to protect said bend and the fingers 3| against the distortion which might be caused by the pressure of the pressing iron, and which distortion may so deform the socket as to prevent it from properly engaging the stud.

Since the neck-engaging fingers 3! are arranged a substantial distance above the bottom portion 23 of the anvil, the usual type of stud cannot be used in connection with said socket. As shown, my new stud 29 comprises a stud portion provided with a constricted neck 28 adapted to receive the fingers 3i and with a horizontal flange 33 projecting outwardly from the neck and fitted into the space below the wall 24. Said flange is of substantially the same outermost di ameter as that of the wall 24. Depending from the outermost edge of said flange 33 is the short upright wall 34, from the bottom edge of which extends the main outermost horizontal flange 35. Said main flange is designed to engage or contact with the wall 23 of the anvil portion in the assembled position of the parts, thereby to transmit any axial stress put upon the stud to said anvil wall and to prevent distortion of the socket fingers under such stress. The flanges 33 and 35 are, as above described, in vertical spaced relation as well as in outward spaced relation. The stud 29 is provided with a central opening through which is passed the eyelet portion 36 of the stud-holding member, a horizontal flange 37 projecting from the lowermost end of the eyelet portion 36 and being of substantially the same outermost diameter as that of the flange 35.

It will be seen that to secure the stud 29 to the sheet All, the eyelet portion 36 is passed through said sheet and turned over as at 4| on to the material 42 of the stud surrounding the central opening therein. The eyelet may, however, be replaced by any suitable means for holding the stud portion on to said sheet 40.

It will further be seen that I have provided a simple one-piece socket designated for economical manufacture and further designed to protect the resilient stud-engaging fingers from distortion under the conditions of practical use, as well as a stud having a stepped flange designed to properly fit and to be held in said socket.

While I have shown and described certain specific embodiments of my invention, I do not desire to be understood as limiting myself thereto, but'intend to claim the invention as broadly as may be permitted by the state of the prior art and the scope of the appended claims.

I claim:

1. In a snap fastener socket assembly, a onepiece socket adapted to be arranged at the lower face of a sheet of material, said socket comprising an anvil portion forming the outer part of the socket, said anvil portion being slitted to provide a series of separate tongues at the terminal periphery thereof, a laterally raised portion at one edge of each of said tongues and providing a tab-receiving recess on the inner face of each of the tongues, a tab projecting from the other edge of each of the tongues into the recess of the adjacent tongue, an integral unslitted bend at the inner top edge of the anvil portion, and an innermost wall on the socket depending from the bend and slitted to provide a plurality of resilient stud-engaging fingers, the lowermost portions of said fingers being arranged above the bottom of the anvil portion and being rolled inwardly to subtend an angle of at least 180, and pronged means adapted to be arranged on the upper face of the sheet'and having parts thereon adapted to pass through the sheet and into engagement with the anvil portion and deflected thereby to hold the socket to the sheet.

2. In a one-piece resilient socket, an outermost anvil portion of substantially circular cross-section'adapted to receive and distort the prongs of a pronged member to hold the socket to a sheet, said portion being provided with a series of tongue-forming radial slits, a tab-receiving recess in one edge of each of the tongues, a tab projecting from the other edge of each of the tongues and entering the adjacent recess, and stud-engaging means integral with and arranged inwardly of the anvil portion.

3. In a one-piece resilient socket, an outermost anvil portion of substantially circular crosssection adapted to cooperate with other socket attaching means to hold the socket to a sheet, said portion being provided with a series of tongue-forming radial slits, a tab-receiving recess in one edge of each of the tongues, a tab projecting from the other edge of each of the tongues and entering the adjacent recess, a single wall closely adjacent to and arranged inwardly of the anvil portion and terminating at one end in an inwardly rolled free edge portion arranged between the top and bottom of the anvil portion, and at its other end in an imperforate bend integrally joining said wall to the anvil portion, said wall being slitted from said bend to said one end to provide a series of resilient stud-engaging fingers.

l. In a one-piece resilient socket, an anvil portion forming the outermost part of the socket and provided with a series of peripheral tongues forming the top of said portion, means for locking said tongues together against outward separation, and a slitted inner wall provided with re silient stud-engaging fingers, the uppermost and lowermost ends of said wall being respectively below and above the top and bottom of the anvil portion and being protected thereby against distortion under lateral stresses.

5. In a one-piece resilient socket, an anvil portion forming the outer part of the socket, said anvil portion having an outermost slitted wall, an unslitted bottom and an unslitted innermost wall, interengaging locking means on the adjacent parts of the slitted wall, and an innermost socketforming wall slitted from its lowermost edge upwardly for less than its height and depending from the innermost wall of the anvil portion, said socket-forming -wall terminating in an inwardly rolled edge portion arranged above the bottom of said anvil portion. 7

6. In a snap fastener assembly, a one-piece resilient socket having an anvil portion forming the outer part of the socket, said portion being slitted at its outermost periphery to provide sep arate tongues, interengaging means on the tongues to resist separation thereof under the bending stress of a pronged cap when assembled therewith, and an inner resilient stud-engaging ,wall on the socket integrally joined to the anvil portion.

DANIEL I. REITER.

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