US1433795A - Fastener - Google Patents

Description

lF. S. CARR. FASTENER. APPLICATION FILED MAR. B. I92I.

Mmmm Oct. 3L 1922.

Patented @et 3l, i922.

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FRED S. GARR, OF NEWTON, MASSACHUSETTS, SSIGNOR TO CARR FASTNB COMPANY, OF CAlVIBItIDGE, MASSACHUSETTS, A OORPGRATION 0F MANE.

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Application ined Mai-eh s,

10 all whom t may cof/tecra.'

Be it known that l, FRED S. CARR, a citizen of the United States, anda resident of Newton, in the county of Middlesex and Commonwealth of hflassachusetts, have invented an lmprovement in Fasteners, of which. the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

This invention pertains to improvements in separable fasteners. It is among the objects of the invention to provide a separable fastener of simple construction, great durability and of superior holding power.`

In the drawings, which show a preferred forni of one illustrative embodiment of my invention Figure 1 is an elevation of two pieces of fabric to which the stud and socket niembers of a preferred form of separable fastener are attached;

Fig. 2 is a section on the line 2-2 of F ig. l;

Fig. 3 is a front elevation of the preferred` forni of socket illustrated in Figs. 1 and 2;

Fig. lis an elevation of the preferred form of stud shown in Figs. 1 and 2; and

Fig. 5 is a section through the fastener on the line 5-5 of Fig. 1.

Referring to the drawings and to the preferred form of my invention selected for illustrative purposes, I have shown a stud including a head 6, a neck 7 and a base 8, and secured to the stud-carrying fabric 9 in any suitable way as by stitching 10. I have shown a cooperating socket including a casing 11 providing a stud-receiving plate 'l2 having a stud-receiving aperture 13 therein and containing a spring 14 presenting two portions intersecting the studreceiving aperture 13. The preferred forin of spring will be more fully described hereinafter. The preferred forni of socket illustrated is sewn to the socket-carrying fabric 15 by stitches 16. There my invention is utilized in connection with fastening elements adapted to be sewn to their earrying fabrics, prefer to make the casing 11 in one piece and to provide for holding in the spring 14e by a flanged-over rim 17 of the casing. The stud-receiving aperture 13 is preferably notched at one side providing the recess 18 communicating with the studreceiving aperture 13 and adapted to per- 1921. serial No. 450,743.

.mit the stud to shift laterally in the socket to a small extent, sufficient to prevent sepaation of stud and socket by the resolution of forces arising from lateral strain between stud and socket urging the stud toward the notch, or in thegeneral direction of the notch, the notch, however, preferably being of such dimension relative to the neck and head of the stud that separation of` stud and socket may be elfected even while under considerable lateral strain by a convenient tipping movement at an angle somewhat greater `than that likely to be produced by the resolution of forces arising from lateral strains in the direction indicated.

The spring 14, as above described, preferably intersects the stud-receiving aperture 13 at opposite sides thereof as at 19 and 20. Between these portions, 'the spring extends adjacent to the peripheral wall of the socket, underlying the liange 17 at 21. At the other side of the portions 19 and 20 the spring underlies the flange 17 at 22 and 23, being bent backwardly and outwardly until they again underlie the flange 17 at the sides of the casine at 24 and 25, these preferably being, as illustrated, adjacent terminal reverse hen( exteiiding outwardly and downwardly to the ends of the spring at 26 and LT. The bends 22 and 23 are preferably spaced away from the marginal wall of the casing so that the resiliency of the spring will not be impaired. by bearing against the side of the casing at these points. Similarly, the'bends at 2d and 25 are also preferably spaced away from the peripheral wall. of the casings. The stud-engaging portions 19 and 2() of the spring are preferably inclined, preferably in part only as illustrated, so as to tend to press or cani the stud toward the 'notch 18. The inclined portions may be provided by offsets as illustrated, or in any other suitable way.

The spring may, if desired, be positioned relative to its casing by a projection 31 extending within the curve of the spring adjacent its central portion 21. A

1When the head of the stud 6 is entered tluxiiuglrthe stud-ii'eceiying aperture 13 in the casing, the stud-engaging spring jaws 19 and 2() are spread apart and gripv the neck T of the stud when the latter is fully entered in the socket. The notch 1.8 in the socket is preferably adjacent the edge 30 of the socket-carrying fabric l5, so that the normal lateral strain between stud and socket will lead the neck of the stud into the notch 18. this notch, the resolution of forces arising from lateral strain will not cause the stud to tip in such a Way as to become separated ifroln the socket. On the other hand, when it is desired to separate the stud from the socket, a vpull on either the stud or socket in either an axial `direction or one producing a tip somewhat (ieater than thatI arisingiroin .the resolution oit 'forces under lateral strain will cause the stud to be released :troni the socket enen though a considerable amount et lateral strain between stud and socket exists at the time ot separation.

lfhile l have shown and described a prei terred :toria otone embodiment ot my invention, it vwill be understood that changes Vin volrii omission, substitution,` alteration and `reversal oit parts, and even. changes in the inode of operation, may be made Without departing from the scope of my invention, which is best delined in the tollowing` claims.

Claims.

l. A separable fastener comprising, in combination, a stud having` a head and a neck presenting between them a sloping' shoulder, and a socket including a. casini' having a studereceiving aperture therein and a notch communicating with said aperture, said casing carrying a spring present-ing tiro generalhi7 parallelly disposed portions in- When the stud is entered in terseeting' said aperture, said portions inclined to urge said neck ot said stud toward `said notch.

aperture, and a spring in said casing prev senting portions exist-aiding si'ibstantiallyY across said socket and intersecting` said apen ture, said portions disposed to press said neck of said stud toward said notch.

it. In. a stud and socket fastener, a socket including acasing having;` a stud-receiringil aperture therein and a W-shaped spring' therein, ytwo runs ot said spring;v forming the central portions of the. W intersecting said aperture and presenting' -oifset portions in-w tersecting said aperture to press a stud entered through said aperture against that side ot the aperture generali)r4 opposite said oltset portions.

In testimony whereof, I have signed my name to this specification. Y

' FRED S. CARR.

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