Patent ID: 6856692

Claim:
A combination speaker enclosure mounting structure comprising: a plurality of spherical enclosures, please refer to a spherical shape of enclosure is represented as showing that each enclosure having two crossed openings at two opposite sides and two receptacles respectively disposed in said crossed openings; and at least one fastener adapted to secure said spherical enclosures to one another, said at least one fastener each comprising a first locating plate inserted trough one crossed opening of one of said spherical enclosures into one receptacle of the corresponding spherical enclosure, said first locating plate comprising a plurality of locating pegs radially protruded from the periphery there for friction-engagement with the corresponding receptacle of the corresponding spherical enclosure and a plurality of axially extended screw holes, a second locating plate inserted through one crossed opening of one of said spherical enclosures into one receptacle of the corresponding spherical enclosure, said second locating plate comprising a plurality of locating pegs radially protruded from the periphery thereof for friction-engagement with the corresponding receptacle of the corresponding spherical enclosure and an axially extended center screw hole, a ball socket, said ball socket comprising an axially extended center through hole, an annular top flange extended around the center through hole of said ball socket, and a plurality of mounting holes equiangularly spaced in said annular top flange, a ball received in the center through hole of said ball socket between said first locating plate and said second locating plate, a washer supported between said second locating plate and said ball socket, an internally threaded stem perpendicularly and fixedly extended from the periphery of said ball and inserted through the center through hole of said washer, a tie screw threaded into the center screw hole of said second locating plate and said internally threaded stem to fix said ball, said ball socket, said washer and said second locating plate together, a cushion supported between said ball and said first locating plate, a spring washer supported between said cushion and said first locating plate, and a plurality of tie screws respectively threaded into the screw holes of said first locating plate and the mounting holes of said ball socket to fix said first locating plate to said ball socket.