Patent ID: 7070302

Claim:
An ornamental lighting assembly comprising: a plurality of lighting units, each of which includes a plurality of upright posts aligned in a horizontal direction, a plurality of lamps mounted respectively on said posts, hollow upper and lower spacing ribs parallel to each other and fixed to and extending in said horizontal direction through said posts, conductive upper and lower wires enclosed respectively in said upper and lower spacing ribs, and pairs of conductive connecting wires, each of said pairs of said conductive connecting wires being received in a respective one of said posts and being connected electrically to a respective one of said lamps and said upper and lower wires, each of said upper and lower spacing ribs having opposite complementary left and right connecting ends, each of said upper and lower wires extending from said left connecting end to said right connecting end of the respective one of said upper and lower spacing ribs, said left connecting end of each of said upper and lower spacing ribs being formed with a conductive engaging tongue that is electrically connected to the respective one of said upper and lower wires, said right connecting end of each of said upper and lower spacing ribs being formed with an engaging groove, each of said upper and lower wires extending through said engaging groove in said right connecting end of the respective one of said upper and lower spacing ribs, said engaging tongue of said left connecting end of each of said upper and lower spacing ribs of each of said lighting units being snugly fitted into said engaging groove in said right connecting end of a respective one of said upper and lower spacing ribs of an adjacent one of said lighting units to connect electrically with a respective one of said upper and lower wires of said adjacent one of said lighting units; wherein each of said upper and lower spacing ribs of each of said lighting units is non-foldable and non-collapsible so that the spacing between two adjacent ones of said posts is fixed, and is slightly flexible so as to enable said lighting units to be assembled into a circle.