Self locking holder for an item of jewelry

A self-locking holder for a cuff link comprising, in combination:

• (a) a U-shaped stem adapted to hold thereon the cuff link said stem having two side members defining an opening therebetween;
• (b) a pin member defining an axis extending between said side members across said opening, said pin member having a cylindrical non-circular cross-section along a first portion of its length near one side member and a cylindrical cross-section along a second portion of its length near the other side member;
• (c) a locking member, slidably and rotatably arranged on said pin member within said opening, said locking member having a hole therein for receiving said pin member, the cross-section of said hole on the side thereof adjacent said one side member matching said non-circular cross-section, said locking member being smaller in width than the distance between said two side members;
• and
• (d) spring means arranged for biasing said locking member toward said one side member;
• whereby said locking member may be rotated on said pin member by first sliding it along the axis of said pin member toward said other side member away from said first portion of said pin member, and whereby said locking member is prevented from rotating on said pin member when it is positioned adjacent said one side member with the matching cross-section of said hole disposed over said first portion of said pin member.