Swivel system for connecting the mooring arm of a floating facil

Details Swivel system for connecting the mooring arm of a floating facil Swivel system for connecting the mooring arm of a floating facil

1985-06-27

1987-05-19

Basinger, Sherman D.

Ships

Mooring device

Boom type

441 4, B63B 2152

Patent

active

046658556

ABSTRACT:
A suitable system for connecting an anchored marine structure and a rotating moor arm of a floating facility in which a swivel combines for connecting the marine structure and the mooring arm has at least one plain journal bearing with at least one elastic pad arranged about the axis of the bearing such that the rotation of the mooring arm about the marine structure is achieved. Initially, rotation is achieved for large angular motions and significant rotations in particular those exceeding one complete turn by sliding of the journal bearing and secondly, for small alternating angular motions by elastic deformation of the pad. The stiffness of the pad is such, compared with the coefficient of friction of the journal bearing that the sliding threshold of the bearing is not reached.

REFERENCES:
patent: 3522787 (1970-08-01), Tam
patent: 4084801 (1978-04-01), Landers et al.
patent: 4359959 (1982-11-01), Delamare
patent: 4439055 (1984-03-01), Quigg et al.
patent: 4480575 (1984-11-01), Delamare

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