Multiple transducer mounting

Claim 1

A vertical stave assembly comprising: a forward vertical frame including a first angle iron having a plurality of studs, a second angle iron having a plurality of studs with said second angle iron positioned parallel to and spaced from said first angle iron and a forward vertical frame end piece located intermediate said first and second angle irons; a rearward vertical frame including a channel piece having a plurality of groupings of three apertures having a first aperture of predetermined size and second and third apertures smaller than said first aperture on diametrically opposed sides of said first aperture and a rearward vertical frame end piece connected to said channel piece; connecting means for connecting said forward and rearward vertical frames; a plurality of square shaped plates with each of said plates having a circular cutout, each of said plates having cutout means for inserting said studs of said first and second angle irons for connecting said plates to said forward vertical frame; a plurality of elements adapted to be connected to said rearward vertical frame and passing through respective cutouts of said plates, such elements being of such size so as to be rotatable when disconnected from the rearward vertical frame; and said elements, plates and forward vertical frame adapted to be aligned so as to have the plates accessible for removal from said forward vertical frame upon said plurality of elements being rotated 45* with respect to said plates.