Patent ID: 6454117
Filing Date: 2002-09-24
Classification: F16J,Y10T

Abstract:
A manway assembly adapted for mounting within a opening provided in a vessel wall to provide selective access to the interior of this vessel, said assembly comprising:a ring having a circular outer periphery and an inner passageway therethrough, said ring adapted for securement proximal to said wall opening to present an inner surface adjacent said vessel interior and an opposed outer surface; an internal cover sized to engage said ring inner surface and cover said passageway; a swing mount supporting said cover for movement between a passageway-covering position in engagement with said ring inner surface, and an open position allowing access to said vessel interior through said passageway, said swing mount including a pivotal cover-supporting arm and a coupler, said arm and coupler being telescopically interfitted and relatively separable to permit removal of this internal cover; and a cover lock operable to releasibly lock the cover in said passageway-covering position, the lock being manipulable from outside said vessel to selectively unlock the cover and allow movement thereof.