Patent ID: 7634100

Claim:
A rigging side frame for a loudspeaker which can be interconnected with rigging side frames of other loudspeakers for interconnecting loudspeakers in a stacked relation, wherein loudspeakers in the stack of loudspeakers have sides to which left and right rigging frames can be mounted, said rigging side frame comprising a frame structure mountable to the side of a loudspeaker, said frame structure having two top corner regions and two bottom corner regions, at least one pivot link and splay adjustment link associated with said frame structure for linking the side frame of one loudspeaker to the side frame of a vertically adjacent loudspeaker, said pivot link and splay adjustment link each having a base end and a top extended end, the base end of each of said pivot link and splay adjustment link having at least one base end locking pin hole for pinning the base ends of said links to one of the corner regions of a vertically adjacent frame structure, and at least one of the top or bottom corner regions of said frame structure including a guide channel formed to receive and cradle the base end of one of the pivot link or splay adjustment link of a vertically adjacent side frame, said guide channel having a seating surface and locking pin holes that are spaced relative to said seating surface so that the locking pin hole in the base end of the pivot link or splay adjustment link self-aligns with the locking pin hole of said guide channel when the base end of said link is inserted in said guide channel against the seating surface thereof.