Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...
Patent
1987-12-10
1989-03-28
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Separable-fastener or required component thereof
Including member having distinct formations and mating...
63 157, A44C 900
Patent
active
048151807
ABSTRACT:
A transferable jewelry clasp that can be worn with different chains or bands which has the shape of a ring or has a central opening and has an upper part and a lower part. These parts are connected with one another on one side by means of a hinge, and on the opposite side by means of a snap clasp. It can thus be opened and closed easily. In order to ensure that the jewelry clasp is not lost, two cams directed inwardly toward the central opening are attached to the upper part. Eyelets are attached to the ends of the chain, which are so dimensioned that their internal diameters are larger than the thickness of the jewelry clasp ring and smaller than the thickness of the ring plus the height of the cam. With such dimensioning, the chain and eyelets can only be attached to a position differing from the supporting direction on the upper clasp part, and the danger of loss is avoided, even if the jewelry clasp is opened involuntarily.
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patent: 4694664 (1987-09-01), Elsener
Sakran Victor N.
Speckman Thomas W.
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