초록 ▼

The fastener for chains, necklaces, bangles and similar pieces of jewelry comprises a main body connected by one end to the piece of jewelry, with this main body being cut out in a central area and supporting a heel extended by a spindle on which is pivotally mounted a square shaped rocker having a

The fastener for chains, necklaces, bangles and similar pieces of jewelry comprises a main body connected by one end to the piece of jewelry, with this main body being cut out in a central area and supporting a heel extended by a spindle on which is pivotally mounted a square shaped rocker having a vertical arm which is submitted to bias of a spring-blade. In the rest state of the rocker, said rocker cooperates with a hook shaped end of the main body for maintaining a mobile free end of the piece of jewelry. Said main body is enclosed in a case provided with vertical side walls having windows with a cross-piece of a substantially H-shaped mobile part sliding therein.

대표청구항 ▼

In a fastener comprising a main elongated body having two ends, with one end of said elongated body being provided to be fixedly connected to one end of a two-end piece of jewelry and an other end of said elongated body being hook-shaped; said elongated body further having a central recessed part su

In a fastener comprising a main elongated body having two ends, with one end of said elongated body being provided to be fixedly connected to one end of a two-end piece of jewelry and an other end of said elongated body being hook-shaped; said elongated body further having a central recessed part supporting a heel including a spindle; an angle shaped rocker being pivotally mounted on said spindle and having two arms; spring means cooperating with one of the two arms of said angle shaped rocker and urging a second one of said two arms towards the hook shaped end of said elongated body to close said hook shaped end; and a casing at least partially enclosing said elongated body; the improvement wherein said casing has two side walls each provided with an opening; and wherein the central recessed part is provided with a substantially H-shaped sliding part having a central portion and two wings, with said central portion being mounted between said heel and said one of the two arms of said angle shaped rocker, and said two wings being each provided to extend through said opening of the casing; the central portion of the sliding part adapted to push said one arm of the angle shaped rocker against the bias of said spring means; whereby slidingly pushing the wings of the substantially H-shaped sliding part causes the central portion thereof to pivot the angle-shaped rocker against biasing of said spring means and to open the hook shaped end of the elongated body for enabling the introduction therein of an end of said piece of jewelry, and whereby the wings of the H-shaped sliding part substantially cover the openings and prevent dirt and the like from entering the fastener.