Ring cutting device

A ring cutting device comprising a spaced pair of rotatable cutting blades, means to rotate said cutting blades, said cutting blades each mounted on a moveable platform and moveable a selected equal distance, each said moveable platform including a hinged arm and means attached to said hinged arm adapted to spread and retract said arm to select angles for said cutting blades, a rotatable work holder, means to rotate said rotatable work holder, said rotatable work holder including at least one ring clamp, said at least one ring clamp hinged to said rotatable work holder including at least one ring clamp, said at least one ring clamp hinged to said rotatable work holder and having a first and second part, means to close said first and second ring clamp parts engaging a ring, and said rotatable work holder spaced to rotate said ring in said ring clamp over a selected path by said cutting blades.