Convertible pen

Claim 1

A convertible aircraft pen for carrying animals on aircraft and shaped to fit a rounded fuselage of the aircraft, said pen comprising horizontal bottom support means,a rectangular horizontal bottom floor retained on said bottom support means, a side and top enclosing wall defined by vertical and angled portions and having parallel bottom edges affixed with said bottom support means and extending from one of said bottom edges up and across said floor and down in a generally semicircular configuration to the other bottom edge, said side and top enclosing wall extending semi-tubularly over the length of said bottom floor and being ventillated, end closure means connected to each end of said side and top wall closing at least the major portion of each of said ends, said end closure means having means providing at least one door means opening into an end of said pen, upper support means mounted on opposite sides of said sidewall medially between said bottom floor and the top of said wall, and a platform removably mounted on said upper support means, said platform dividing the interior of said pen into levels each adapted to contain small animals, and said platform being removable from said upper support means so that said pen can contain larger animals or cargo, said platform and said bottom floor each having liquid Retaining means comprising an imperforate surface and upstanding retainer means at the outside thereof for confining and retaining waste.