US Patent 7007906 Adjustable top mount

An adjustable top mount is disclosed including an adjustable head adapted to receive an arm adapter, the adjustable head having teeth separated by spaces, the arm adapter having a support tube adapted to receive an outrigger boom, a knob assembly operatively engaged to the adjustable head, wherein the knob assembly releasably secures the arm adapter in a position of a plurality of positions, a baseplate operatively engaged to the adjustable head, and a tapered pin slidably positioned within a portion of the baseplate, the tapered pin releasably engaged to the teeth and releasably movably positioned in a space of the spaces.