Ships – Boats – boat component – or attachment – Sectional
Patent
1979-12-26
1982-05-11
Blix, Trygve M.
Ships
Boats, boat component, or attachment
Sectional
114123, 114270, B63B 708
Patent
active
043286011
ABSTRACT:
Structure is provided which provides a changeable bow configuration for a floating hull which requires a bow configuration which facilitates travel through water only part of the time. An amphibious vehicle is an example of such a requirement, wherein the bow of the vehicle hull in the land mode is relatively snub-nosed presenting a hard unyielding surface to ground obstacles such as rocks and mounds as it travels over the terrain. The amphibious vehicle in a sea or water traveling mode generally requires additional buoyancy in the bow to prevent a diving tendency when underway and also requires a shape better adapted to travel along the surface of the water than the snub-nosed bow configuration of the land mode. Left and right moveable bow segments and a lower bow segment are retracted in the land mode to form the snub-nosed or bow. The left, right and lower segments are extended and an inflatable bag attached therebetween is filled to occupy the volume between the extended bow segments and to present a more seaworthy bow configuration in the sea mode. The inflatable bag is deflated and stored behind the bow segments when they are retracted thereby protecting the bag from damage as the snub-nosed bow travels over the land obstacles.
REFERENCES:
patent: 1180013 (1916-04-01), Cook et al.
patent: 2075785 (1937-03-01), Van Caneghem
patent: 2967507 (1961-01-01), Schulz
patent: 3581701 (1969-06-01), Gehlen et al.
patent: 3750613 (1973-08-01), Krumsiek et al.
patent: 3983832 (1976-10-01), Kinder
Campbell Howard H.
Rodler, Jr. Waldo E.
Avila Stephen P.
Blix Trygve M.
FMC Corporation
Megley R. B.
Stanley H. M.
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