Chain – staple – and horseshoe making – Chains – Elastic
Patent
1981-12-14
1984-07-10
Husar, Francis S.
Chain, staple, and horseshoe making
Chains
Elastic
224175, 224178, 403292, D11 19, D11 25, F16G 1300
Patent
active
044584784
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention concerns the field of extensible assemblies, specially that of elastic bracelets and rings, more particularly made of metal.
2. Description of the Prior Art
There are many existing extensible assemblies, notably metal ones, and more particularly bracelets, which are formed of link members connected together by spring elements. Most of these bracelets are made of thin metal sheets, which are bent so as to form hollow elements capable of accomodating the spring mechanism. At the present time, there is no existing assembly, specially and more particularly metal bracelets or rings, made of solid members 2 to 3 mm in thickness, and whose mechanism is integrated in an elegant way. Moreover, assembling and dismantling existing assemblies, as well as adapting their length, more especially adapting the length of a bracelet to the wearer's wrist, or the length of a ring to a finger, are complicated processes.
SUMMARY OF THE INVENTION
The object of this invention is to permit the construction of such an assembly, easy to assemble and dismantle, and presenting an aesthetic appearance. This invention can be applied, for example, to the construction of a bracelet or a ring.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is an oblique view of a link member 1 and of a connecting member 2, separated in the preferred form of embodiment.
FIG. 2 is a plan view of these same members, in the same form of embodiment, and likewise separated.
FIG. 3 is a plan view, in the same form of embodiment, of three link members joined together by two connecting members.
FIG. 4 is a plan view of a spring of a particularly favourable and aesthetic shape.
FIG. 5A and FIG. 5B are a plan view, in the same form of embodiment, of the phases of insertion and extraction of the connecting member into and from the link member.
FIG. 6 is a plan view of two particular forms of embodiment.
FIG. 7 is a plan view of a form of embodiment in which the studs which, as in the other drawings, are the two extremities of a spring, are fixed in the holes 4 in pairs.
FIG. 8 is a longitudinal section of a few members of a bracelet fitted with curved connecting members.
FIG. 9 is an identical section, in which the cavity 3 is covered by a plate 13.
FIG. 10 shows two springs, the studs being linked in pairs.
FIG. 11 shows the two springs of FIG. 10 inserted in the tube forming the connecting member.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
The assembly comprises link members 1, which may be made in one piece or may result from the assembly of several components. Each link member presents at least one cavity 3 opening towards the adjacent link member, which itself presents at least one corresponding cavity. The preferred embodiment of the invention, and the simplest, is that shown in FIGS. 1 to 5, in which the cavity 3 traverses the link element from one edge to the other and presents straight walls. In each of these lateral walls, two holes 4 are made. The cavity 3 is so shaped that it can take, at least partially, at least one connecting member 2. In the preferred form of embodiment shown in FIGS. 1 to 5, the connecting member 2 presents the form of a flattened tube of approximately the same dimensions as the cavity 3, though slightly less broad, so that it can enter the latter. The connecting member is formed of a flattened tube with thin walls, preferably of metal. The connecting member presents two lateral apertures 7, which face the holes 4 when the connecting member is inserted into the cavity 3. Two pairs of studs 5 emerge from these apertures, fixed by means of elastic means 6 to the body of the connecting member (FIGS. 1 to 5).
In the forms of embodiment shown in the drawings, the elastic means are combined with the stud in a single elastic element or spring. This element is preferably made of metal, but it might also be made of an elastic synthetic material. In FIGS. 1 to 4, the connecting member comprises a spring, formed of four arms in the form of an S, the end of each of these arms c
REFERENCES:
patent: 815899 (1906-03-01), Bliss
patent: 2429036 (1947-10-01), Taegtstroem
patent: 2699035 (1955-01-01), Becker
patent: 2840982 (1958-07-01), Stiegele
patent: 3208211 (1965-09-01), Heinz
Husar Francis S.
McLaughlin Linda
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