Patent ID: 6746137
Filing Date: 2004-06-08
Classification: F21V,Y10S

Abstract:
A lampshade adapted to be interconvertible between an assembled configuration having a first volume and a knock-down configuration having a second, smaller volume; said lampshade comprising in combination:at least two lampshade segments; a predetermined number of connecting members; a predetermined number of rotational elements; said rotational elements adapted to be positioned within one another; said rotational elements having a common axis of rotation; said connecting members adapted for connecting a preselected said rotational element with a preselected said lampshade segment; assembly means adapted to permit rotational movement of at least said rotational elements and to maintain at least said rotational elements in a substantially inseparable assembly; slotting means on preselected said rotational elements adapted to slottingly fit said connecting members; said slotting means further adapted to position said connecting members to assume predetermined angular positions with respect to said common axis; and, locking means adapted for lockingly positioning said connecting members in said predetermined angular positions.