Rotating gangway support platform

Details Rotating gangway support platform Rotating gangway support platform

2011-08-16

2011-08-16

Addie, Raymond W (Department: 3671)

Bridges

Gangway, ramp, or dock leveler

C182S048000, C114S362000

Reexamination Certificate

active

07996942

ABSTRACT:
A crew transfer system for transferring personnel from a vessel to a stationary platform, such as an oil rig, is disclosed. In the illustrative embodiment, the system includes a ramp that is coupled to the vessel and an interface that is attached to the stationary platform. The ramp is coupled to the vessel in such a way as to permit one translational and three rotational degrees of freedom at the vessel-end of the ramp. The ramp is coupled to the interface in such a way as to permit no translational and at least one rotational degree-of-freedom at the rig-end of the ramp with respect to the interface. The interface is rotatably coupled to the stationary platform in such a way as to permit a rotation of the interface about the yaw axis. Permitted rotation of the interface enables a range of acceptable angles of orientation between the vessel and the platform.

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