Rear extension for boat hull

Details Rear extension for boat hull Rear extension for boat hull

1983-08-23

1985-05-28

Blix, Trygve M.

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Movably mounted hull portion or hull adjunct

B63B 122

Patent

active

045193363

ABSTRACT:
An attachment for forming a rearward extension of the hull of a boat is secured to a transom of the boat to form an extension of an underside portion of the hull and comprises a hollow body having a substantially flat surface and a bottom surface shaped to conform to the after end of the hull underside portion. A forward portion of the top surface of the hull extension is pivotally connected to the transom to allow pivotation of the extension between a lowered position, for cruising and rough weather conditions, and a raised position, for planing, in which the top surface of the hollow body is located adjacent the transom. A hydraulic piston and cylinder device is provided for effecting the pivotation of the hollow body.

REFERENCES:
patent: 2218264 (1940-10-01), Luce
patent: 2807228 (1957-09-01), Vandre
patent: 3159131 (1964-12-01), Frederick
patent: 3313262 (1967-04-01), Yunker et al.
patent: 3404651 (1968-10-01), Jensen et al.
patent: 3650310 (1972-03-01), Childress
patent: 3760758 (1973-09-01), Banner

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