Ships – Building – Canal and ferry boats
Patent
1975-06-13
1977-03-29
Blix, Trygve M.
Ships
Building
Canal and ferry boats
114190, 182 70, 182189, 182190, 182196, 272109, B63C 926, B63C 922
Patent
active
040140571
ABSTRACT:
A rescue device particularly adapted for use with small boats. The device includes a plurality of bodies each formed with an aperture large enough to facilitate either manual grasping of the body or for receiving a foot of an individual to be rescued, the several bodies being interconnected in a given sequence by connecting units which form with the bodies a chain-like structure by means of which an individual can with his hands and feet climb upwardly along the structure back to a vessel.
REFERENCES:
patent: 1484070 (1924-02-01), Mast
patent: 3018494 (1962-01-01), Guido
patent: 3216030 (1965-11-01), Garfield
patent: 3754291 (1973-08-01), Harris et al.
patent: 3754758 (1973-08-01), Hanson
Blix Trygve M.
Frankfort Charles E.
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