Title:
VARIABLE-DISPLACEMENT VARIABLE-BALLAST LIFE RAFT INFLATED AND MAINTAINED BY A MANUAL PNEUMATIC AND OR HYDRAULIC LEVER-AMPLIFIED TORQUE PUMP THROUGH A RANGE OF DEDICATED FITTAMENTS
Document Type and Number:
WIPO Patent Application WO2003093100
Kind Code:
A3
Abstract:
A variable volume raft (770) containing adjustable ratio and amounts of air and or water. The buoyancy and ballast of the raft are routinely adjusted to accommodate additional occupants and changing weather conditions. A manual pump can be the primary or backup source for initial inflation.
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Inventors:
COURTNEY WILLIAM L (US)
Application Number:
PCT/US2003/010347
Publication Date:
April 15, 2004
Filing Date:
April 04, 2003
Export Citation:
Assignee:
COURTNEY WILLIAM L (US)
International Classes:
B63B7/08; B63C9/00; B63C9/04; B63C9/06; B63C9/125; B63C9/18; B63C9/19; B63C9/20; (IPC1-7): B63C9/00
Foreign References:
| US5919068A | 1999-07-06 | |||
| US5520486A | 1996-05-28 | |||
| US4932910A | 1990-06-12 | |||
| US6494756B2 | 2002-12-17 |
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