Patent ID: 7153153

Claim:
A lighting device comprising: a base assembly including first contacts and mounting means for electrically leading to a power source; a latch assembly adapted to receive at least one additional electrical device to be mounted to the latch assembly; push and twist means for engaging the latch assembly to the base assembly; a plurality of second contacts in the latch assembly adapted to be electrically connected to the first contacts of the base assembly, the second contacts being adapted to be connected to the additional electrical device; a platform assembly assembled to the latch assembly; and one self-contained additional electrical device that is powered by electricity and is connected to the platform assembly for being electrically powered by the base assembly and for being mechanically connected to and supported by the base assembly in a removeable manner; the latch assembly, the platform assembly and the additional electrical device together forming a modular assembly for being engaged to, and for being disengaged from the base assembly by a user of the electrical device.