Device for rotating jewelry setting mount

摘要

A mechanism for manually rotating decorative items, such as a gemstone, on an item of jewelry. The mechanism includes a circular ring gear that engages gears formed on a manually rotated crown member and on the mounting securing for the decorative items.

主权项

1. A jewelry item for a gemstone comprising:
a circular housing member having interior and exterior surfaces, the interior surface defining an opening to receive a finger of a wearer; a circular gear having multiple teeth mounted about an entire circumference of said exterior surface of said circular housing member; a rotatable stem positioned at the bottom of said circular housing member and rotatable about a vertical axis; a first multiple tooth gear coupled to said rotatable stem; a rotatable gemstone mounting device having first and second surfaces; a second rotatable multiple-tooth gear mounted to the second surface of said mounting device; and a member positioned on the first surface of said mounting device for securing the gemstone to said jewelry item.