Patent ID: 6085935
Filing Date: 2000-07-11
Classification: D06F,F16J

Abstract:
A pressure vessel comprising:a wall structure which defines an interior space of said pressure vessel, said wall structure having an access opening,a removable door for closing said access opening, said door being mounted for movement in a first direction perpendicular to a plane of said access opening from a closed position to an intermediate open position,said door being supported by a support flange which defines an opening within which said door is rotatable mounted,said door and wall structure having complementary threads such that said door is movable between said closed and intermediate open positions by rotating the door into and out of threaded engagement with said opening,a translation rod mounted on said pressure vessel, said door support flange being connected to said translation rod at a fixed pivot location on said flange; said translation rod being supported on said pressure vessel for sliding movement to guide movement of said flange and the door mounted therein in said first direction of movement as said door is moved between said closed and intermediate open positions and for supporting said flange and the door mounted therein for pivotal movement about said fixed pivot location on said flange relative to said wall structure for moving said door between said intermediate open position and a fully open position to enable access to said interior space through said opening.