초록 ▼

A plug-type clasp for pieces of jewerly, in particular for necklaces, composed of a housing in which a sleeve is movable under the force of a spring. The sleeve has a receiving opening into which a connecting element can be inserted through a front-end opening of the housing and locked there. Both t

A plug-type clasp for pieces of jewerly, in particular for necklaces, composed of a housing in which a sleeve is movable under the force of a spring. The sleeve has a receiving opening into which a connecting element can be inserted through a front-end opening of the housing and locked there. Both the front-end opening of the housing and the receiving opening of the sleeve are eccentrically offset from each other, so that the connecting element can only be inserted into the housing, and locked there, only after the sleeve has been pulled back against the force of the spring. Removal of the connecting part can take place in the correspondingly reversed order. Activation of the sleeve for unlocking the plug-type clasp takes place by means of an operating button, laterally guided in a longitudinal hole of the housing, so that the actual connecting areas of the plug-type clasp for pieces of jewelry, in particular necklaces, remain free of pulling stresses during the operation of the plug-type clasp. With the exception of the spring and sleeve, no other movable parts are required.

대표청구항 ▼

A plug-type clasp for securing together the ends of a piece of jewelry, said clasp comprising: a housing having a central longitudinal axis and a front end and a rear end, said ends being spaced apart along the central longitudinal axis of said housing; a sleeve installed in said housing for movemen

A plug-type clasp for securing together the ends of a piece of jewelry, said clasp comprising: a housing having a central longitudinal axis and a front end and a rear end, said ends being spaced apart along the central longitudinal axis of said housing; a sleeve installed in said housing for movement in the direction of the central longitudinal axis of said housing, said sleeve having a front end which faces said front end of said housing, and said sleeve being provided with a receiving opening which extends from said front end of said sleeve and which has a central longitudinal axis that lies parallel to the central longitudinal axis of said housing; spring means disposed in said housing and acting on said sleeve for urging said sleeve toward said front end of said housing; cover means disposed at said front end of said housing and defining a passage opening having a central longitudinal axis which is laterally offset from the central longitudinal axis of said receiving opening; and connecting means including a connecting part, said connecting part being configured to be capable of passing through said passage opening when said connecting part has a first position and to be capable of passing into said receiving opening when said connecting part has a second position, the first and second positions being offset transverse to the central longitudinal axis of said housing by a distance such that when said connecting part is in the first position it is prevented from entering said receiving opening and when said connecting part is in the second position it is prevented by said cover means from passing through said passage opening, wherein said sleeve is displaceable along the longitudinal axis of said housing, against the urging of said spring means, between a locking position for holding said connecting part in said receiving opening and a release position for permitting said connecting part to move to its second position for passage through said passage opening.