Personal flotation system

Claim 1

A personal flotation system comprising in combination: (a) flotation means for supporting a person in the water; (b) a haversack secured to said flotation means; said haversack comprising: (i) a substantially tubular pliant cloth body having an upper margin and a lower margin, said margins defining upper and lower openings respectively; (ii) a first strap attached to said body to releasably secure said body to said flotation means in a substantially upright position; (iii) a closure means for substantially closing said lower opening to support said ice chest within said body; and (iv) a second strap attached to said upper margin and extending across said upper opening to releasably secure said ice chest within said body; and (c) an ice chest secured within said haversack; said ice chest comprising: (i) a substantially rectangular body formed of lightweight insulation material, said rectangular body having four sides and a bottom defining a cavity having an opening at the top; (ii) first flanges on opposite sides of said rectangular body at the top, said first flanges defining vertical holes therethrough; (iii) a rectangular lid of the same material as said body and of substantially the same dimension as said top, said lid having a top side and a bottom side; (iv) a downwardly projecting lip about the margin of said lid on said bottom side, the outer dimension of said lip being substantially the same as said opening, such that said lip provides a seal between said lid and said body; (v) second flanges on opposite sides of said lid, said second flanges defining vertical holes therethrough, said first and second flanges mating such that said vertical holes align; and (vi) a cord secured on the underside of said first flanges and passing through said vertical holes and over said lid to secure said lid to said body.