Patent ID: 6148755
Filing Date: 2000-11-21
Classification: B63B,B63C,Y10T

Abstract:
An apparatus for remotely removing and installing a removable underwater fairlead, the fairlead including a fairlead body hingedly connected between a first and a second fairlead foundation support by a pivot pin, the first fairlead foundation support having at least one upstanding member having a ram landing surface, the pivot pin being connected to a pivot pin retainer having at least one twistlock aperture and at least one ram aperture, the apparatus comprising:a main plate having a first surface and a second surface;a connector arm secured to the first surface of the main plate;at least one twistlock having a main shaft, a head, a lever arm attached to the head, and a flange, the head and flange being disposed at opposite ends of the main shaft, the main shaft being rotatably disposed within a twistlock bore in the main plate; andat least one ram connected to the main plate and having a telescoping cylinder movable between a retracted position and a deployed position.