Collapsible sailing rescue watercraft

Details Collapsible sailing rescue watercraft Collapsible sailing rescue watercraft

1993-11-15

1994-12-20

Swinehart, Edwin L.

Ships

Displacement-type hull

Multiple hulls

114 391, B63B 100

Patent

active

053737997

ABSTRACT:
In a preferred embodiment, a watercraft which is carried by a main watercraft, including: a longitudinally extending horizontal central hull portion; port and starboard longitudinally extending horizontal pontoons being movably attached to the central hull portion: the port and starboard pontoons being extendable from a collapsed position nested against sides of the central hull portion to an extended position spaced apart from the central hull portion and parallel to the central hull portion; and the central hull portion and the port and starboard pontoons in the extended position comprising a trimaran.

REFERENCES:
patent: 697539 (1902-04-01), Pruden
patent: 1132924 (1915-03-01), Gepack
patent: 2427772 (1947-09-01), Farish
patent: 2495190 (1950-01-01), Stewart
patent: 3139058 (1964-06-01), Robinson
patent: 3450084 (1969-06-01), Gerbracht
patent: 3960102 (1976-06-01), Davy
patent: 4353321 (1982-10-01), Liu
patent: 4465008 (1984-08-01), Liggett
patent: 4898113 (1990-02-01), Tapley et al.

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