Patent ID: 6988461

Claim:
A telescoping boat tower apparatus attachable atop a deck structure of a boat comprising: a lower frame assembly including a plurality of spaced generally upright elongated first tubular supports each attachable at a lower end thereof to the deck of a boat, an upper portion of each of said first tubular supports being connected to a perimeter of and including a standing platform positioned above a console and deck of the boat; an upper frame assembly including said plurality of spaced upright elongated second tubular supports each connected at an upper end thereof to a body support rail and held in overlapping telescoping coaxial alignment and registry with corresponding said first tubular members whereby said upper frame assembly is movable vertically with respect to said lower frame assembly by telescopic movement between said plurality of first and second tubular supports; an elongated sealed interior volume defined between at least one pair of corresponding said first and second tubular supports; a source of pressurized fluid introducible into said sealed interior chamber whereby said upper frame assembly is vertically movable with respect to said lower frame assembly responsive to controlled variation of the fluid pressure and volume of fluid in said sealed interior chamber between a lowered temporary position and an elevated in-use position of said upper frame assembly.