US3110281A - Extensible keet construction - Google Patents
Extensible keet construction Download PDFInfo
- Publication number
- US3110281A US3110281A US194582A US19458262A US3110281A US 3110281 A US3110281 A US 3110281A US 194582 A US194582 A US 194582A US 19458262 A US19458262 A US 19458262A US 3110281 A US3110281 A US 3110281A
- Authority
- US
- United States
- Prior art keywords
- hull
- keel
- chamber
- floats
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
- B63B2041/003—Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
- B63B2041/006—Telescopically collapsible keels
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Toys (AREA)
Description
Nov. 12, 1963 L. P. BUCK 3,llo,28l
ExTENSBLE KEEL CONSTRUCTION F11ed May 14, 1962
Claims (1)
1. IN COMBINATION WITH A FLOATABLE HULL HAVING A SEPARATE KEEL DISPOSED THEREBENEATH, AND INTERMEDIATE CONNECTING MEANS FOR VERTICALLY RAISING AND LOWERING THE KEEL TOWARD AND AWAY FROM THE HULL WHEN THE LATTER IS AFLOAT: A FLEXIBLE AND LONGITUDINALLY FOLDABLE, ENCIRCLING WALL MUTUALLY CONNECTING THE HULL AND KEEL, FORMING A CLOSED CHAMBER THEREBETWEEN, AND PRESENTING AN EXTERNAL STREAMLINED SURFACE (WHEN THE KEEL IS LOWERED) TO A BODY OF WATER WHICH FLOATS THE HULL, SAID CHAMBER HAVING APERTURE AND CLOSURE MEANS ADAPTED FOR SELECTIVE RECEPTION, RETENTION AND EXPULSION OF CHAMBER-FILLING FLUID, WHEREBY THE THUS-INFLATED CHAMBER MAY HAVE ITS FLEXIBLE WALL DISPOSED SUBSTANTIALLY RIGID AGAINST THE PRESSURE OF EXTERNAL WATER WHICH FLOATS SAID HULL.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US194582A US3110281A (en) | 1962-05-14 | 1962-05-14 | Extensible keet construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US194582A US3110281A (en) | 1962-05-14 | 1962-05-14 | Extensible keet construction |
Publications (1)
Publication Number | Publication Date |
---|---|
US3110281A true US3110281A (en) | 1963-11-12 |
Family
ID=22718135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US194582A Expired - Lifetime US3110281A (en) | 1962-05-14 | 1962-05-14 | Extensible keet construction |
Country Status (1)
Country | Link |
---|---|
US (1) | US3110281A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3304898A (en) * | 1964-03-30 | 1967-02-21 | Joseph D Sainte-Claire | Ship controls |
US3371737A (en) * | 1964-10-01 | 1968-03-05 | Gen Dynamics Corp | Controlled height aerodynamic and hydrodynamic baffles for air cushioned vehicles |
US4297757A (en) * | 1978-08-03 | 1981-11-03 | Palemon Camu Oscar M | Marine rescue capsule |
FR2591184A1 (en) * | 1985-12-09 | 1987-06-12 | Guibernao Charles | Externally raisable keel device for boats |
US5038698A (en) * | 1989-09-29 | 1991-08-13 | Bic Corporation | Daggerfin adjustable sailboard skeg |
US5148761A (en) * | 1989-09-29 | 1992-09-22 | Bic Corporation | Daggerfin adjustable sailboard skeg |
FR2820396A1 (en) * | 2001-02-06 | 2002-08-09 | Philippe Baron D | ADJUSTABLE Keel FOR SAILBOATS |
US7146925B1 (en) * | 2003-01-24 | 2006-12-12 | Lockheed Martin Corporation | Apparatus for varying vessel hull geometry and vessels made therewith |
EP2055628A2 (en) * | 2007-10-26 | 2009-05-06 | Benito Misurale | Hull provided with telescopic keel |
US20090288586A1 (en) * | 2007-02-08 | 2009-11-26 | Baruh Bradford G | Adjustable keel for a sailboat |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1082133A (en) * | 1913-07-29 | 1913-12-23 | Frank Olechnowicz | Boat-equilibrator. |
US1236158A (en) * | 1917-02-05 | 1917-08-07 | John L Garland | Display-rack. |
US2651454A (en) * | 1948-06-21 | 1953-09-08 | Bjurstrom Thure Hjalmar | Foot pump |
GB819916A (en) * | 1956-02-20 | 1959-09-09 | Walter Norman Kemp | Telescopic keel |
-
1962
- 1962-05-14 US US194582A patent/US3110281A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1082133A (en) * | 1913-07-29 | 1913-12-23 | Frank Olechnowicz | Boat-equilibrator. |
US1236158A (en) * | 1917-02-05 | 1917-08-07 | John L Garland | Display-rack. |
US2651454A (en) * | 1948-06-21 | 1953-09-08 | Bjurstrom Thure Hjalmar | Foot pump |
GB819916A (en) * | 1956-02-20 | 1959-09-09 | Walter Norman Kemp | Telescopic keel |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3304898A (en) * | 1964-03-30 | 1967-02-21 | Joseph D Sainte-Claire | Ship controls |
US3371737A (en) * | 1964-10-01 | 1968-03-05 | Gen Dynamics Corp | Controlled height aerodynamic and hydrodynamic baffles for air cushioned vehicles |
US4297757A (en) * | 1978-08-03 | 1981-11-03 | Palemon Camu Oscar M | Marine rescue capsule |
FR2591184A1 (en) * | 1985-12-09 | 1987-06-12 | Guibernao Charles | Externally raisable keel device for boats |
US5038698A (en) * | 1989-09-29 | 1991-08-13 | Bic Corporation | Daggerfin adjustable sailboard skeg |
US5148761A (en) * | 1989-09-29 | 1992-09-22 | Bic Corporation | Daggerfin adjustable sailboard skeg |
FR2820396A1 (en) * | 2001-02-06 | 2002-08-09 | Philippe Baron D | ADJUSTABLE Keel FOR SAILBOATS |
WO2002062657A1 (en) * | 2001-02-06 | 2002-08-15 | Philippe Baron D | Adjustable keel for sailboats |
US7146925B1 (en) * | 2003-01-24 | 2006-12-12 | Lockheed Martin Corporation | Apparatus for varying vessel hull geometry and vessels made therewith |
US20090288586A1 (en) * | 2007-02-08 | 2009-11-26 | Baruh Bradford G | Adjustable keel for a sailboat |
US20110297064A1 (en) * | 2007-02-08 | 2011-12-08 | Baruh Bradford G | Adjustable keel for a sailboat |
EP2055628A2 (en) * | 2007-10-26 | 2009-05-06 | Benito Misurale | Hull provided with telescopic keel |
EP2055628A3 (en) * | 2007-10-26 | 2009-07-22 | Benito Misurale | Hull provided with telescopic keel |
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