Closeable restraint for maintaining a tow line between guide pin

Details Closeable restraint for maintaining a tow line between guide pin Closeable restraint for maintaining a tow line between guide pin

1984-07-31

1986-08-05

Blix, Trygve M.

Ships

Cable stoppers

114218, 254389, B63B 2102

Patent

active

046036490

ABSTRACT:
Retractable tow line guide pins (1 and 2) at the stern of a tugboat or supply boat are made to be elevated from/retracted into the deck (3) of the vessel and are also pivotable, such that over a portion of the raising or lowering movement they are pivoted 90.degree., whereby fixed locking members (4,5) mounted thereon and the pins themselves pivot from an inoperative position into a position in which the opening between the pins (1 and 2) is closed at the top, thereby preventing a tow line disposed in the opening between the pins from being released therefrom.

REFERENCES:
patent: 557984 (1896-04-01), Foran
patent: 3588051 (1971-06-01), Leeming
patent: 3892386 (1975-07-01), Hogan
patent: 4278041 (1981-07-01), Williams
patent: 4347800 (1982-09-01), Culver
patent: 4354445 (1982-10-01), Kafka et al.
patent: 4423697 (1984-01-01), Royset
patent: 4458631 (1984-07-01), Hystad

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