Patent ID: 7682039

Claim:
An extensible light shade, comprising: a first light shade, having a first end and a second end; a male terminal cap, mounted on said first end, and having a male fastener and a first metal contact located at a periphery of said male fastener, said first metal contact having a first planar contacting surface; and a female terminal cap, mounted on said second end, and having a female fastener and a second metal contact located at a periphery of said female fastener, said second metal contact having a second planar contacting surface; whereby said male fastener of said first light shade is rotatably insertable into a female fastener of a second light shade at a predetermined angle for locking engagement therewith, said male fastener of said light shade thereby fastens with said female fastener of said second light shade, and a metal contact located at a periphery of said female fastener of said second light shade mechanically contacts and electrically connects with said first metal contact of said first light shade; a third metal contact, mounted in said male terminal cap, and wherein the first and third metal contacts surround the male fastener; and a fourth metal contact, mounted in said female terminal cap, and wherein the second and forth metal contacts surround said female fastener.