Patent ID: 7425681

Claim:
In combination, a 3-piece decorative cover plate assembly and a wall box mounted device with metallic and screwless appearance: said wall box device ( 50 ) having an attached metal yoke plate ( 52 ) with a grounding connector ( 56 ); said metal yoke plate having two round openings ( 54 and 55 ) with the center-to-center spacing matching that of the two round openings ( 64 and 65 ) of a base plate ( 60 ) and that of the two threaded screw holes ( 71 and 72 ) in said wall box ( 70 ) which receives the base plate and said device; said device having an actuator ( 51 ) with attachment means for attaching to a plastic actuating plate ( 40 ); said plastic actuating plate having attachment means for attaching to the actuator and having attachment means for attaching to a metal actuating plate ( 30 ); said metal actuating plate is attached to the plastic actuating plate by adhesive means; said base plate ( 60 ) having one opening ( 61 ) adapted for accommodating the device; at least two screw openings ( 64 and 65 ) with the center-to-center spacing matching that of the threaded screw holes ( 71 and 72 ) in said wall box for mounting the base plate to the wall box; at least two support surfaces ( 68 and 69 ) attached with at least two U-shaped sheet metals ( 62 and 63 ) for supporting the device and for grounding purpose; and attachment means for attaching to a middle plate ( 20 ); the middle plate having one opening ( 21 ) adapted for the metal actuating plate ( 30 ) of the device to extend through; at least one lateral opening ( 22 ) for disassembly; and attachment means for interlocking engagement with the base plate ( 60 ); and the metal face plate ( 10 ) which is affixed to the middle plate by adhesive means having one opening ( 11 ) adapted for the metal actuating plate ( 30 ) of the device to extend through.