Patent ID: 9124969
Filing Date: 2015-09-01
Classification: H04R

Abstract:
1. A rigging side frame for a loudspeaker which can be interconnected with rigging side frames of other loudspeakers for interconnecting loudspeakers in a stacked configuration, each interconnected loudspeaker having sides to which left and right rigging side frames can be mounted, the rigging side frame comprising: a frame structure having a plurality of splay angle selection pin holes, and a splay adjustment link stowing channel, at least one locking pins, and an upwardly extendible splay adjustment link having a plurality of vertically extending splay angle slots of various lengths, each of said splay angle slots having a lower end, said splay adjustment link vertically movable in said splay link stowing channel between a linking position and a plurality of elevated splay angle positions, each of said elevated splay angle positions of said splay adjustment link associated with a splay angle of the frame structure of the rigging side frame of an adjacent loudspeaker relative to said frame structure, in said linking position: such that by pinning said splay adjustment link to the frame structure of the rigging side frame of a superjacent loudspeaker in said linking position, inserting one of said at least one locking pins in one of said plurality of splay angle slots and in a selected one of said splay angle selection pin holes, and elevating said splay adjustment link from said linking position until the lower end of said splay angle slot abuts said locking pin, the frame structure of the rigging side frame of an adjacent loudspeaker is set at a selected one of said plurality of splay angle positions relative to said frame structure.