Double mooring bollard

Details Double mooring bollard Double mooring bollard

2000-01-11

2001-09-04

Marcelo, Emmanuel M. (Department: 3653)

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

C254S295000, C114S230150

Reexamination Certificate

active

06283453

ABSTRACT:

The present invention is concerned with a mooring bollard, preferably a double mooring bollard of the contra rotating, mechanically driver type, preferably intended for ship and offshore installations for mooring or coiling of a rope.
Rotating bollards are known. Reference is made in this conection to the existing art wherein a rotobollard such as a Pusnes rotobollard is known. This is not, however, motorized as it is placed in connection with a winch. It is further known to put power on the bollard and the hawser directly to the storing reel. Motorizing a bollard is thus not in itself a new idea.
In Norwegian patent application no. 78.0223 a pulling unit including two sets of yardarms is proposed. This is quite a comprehensive piece of equipment that cannot easily be combined to normal standard mooring bollards.
The same may be said in connection with German patent publications DE 2.102.728 C2 and DE 2.416.415.
The novel part of this invention is how a standard-like fixed mooring bollard is provided to also function as if it were motorized and contra rotating.
This is achieved according to the invention with a double mooring bollard (
1
) of the contra rotating, mechanically driven type, preferably intended for ship and offshore installations, characterised by consisting of:
fixed first and second mooring bollards,
a motor arranged internally in at least one of the mooring bollards and with a drive shaft centrally provided in at least one of the bollards,
outer cylinders rotatably arranged on the outside of the first and second mooring bollards and with upper end adapted for coupling to the drive shaft.
Other embodiments of this invention are outlined further in the claims.


REFERENCES:
patent: 1749060 (1930-03-01), Beaumont
patent: 1950057 (1934-03-01), Lange
patent: 3507477 (1970-04-01), Sandoy
patent: 4155539 (1979-05-01), Alexander et al.
patent: 5984586 (1999-11-01), Wudtke
patent: 386247 (1924-05-01), None
patent: 1506738 (1969-08-01), None
patent: 2102728 (1971-07-01), None
patent: 2416415 (1974-11-01), None
patent: 2822840 (1979-11-01), None
patent: 3138034 (1983-04-01), None
patent: 211556 (1987-02-01), None
patent: 474272 (1915-02-01), None
patent: 464416 (1937-04-01), None
patent: 1282694 (1972-07-01), None
patent: 58221791 (1983-12-01), None
patent: 8200133 (1982-01-01), None
Patent Abstracts of Japen of JP 58221791 dated Dec. 23, 1983.
English Translation of claims of DE 2822840 dated Nov. 29, 1979.
English Translation of claims of DE 2416415 dated Nov. 7, 1974.

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