GB2401583B - Double flexible keel - Google Patents

Double flexible keel

Info

Publication number
GB2401583B
GB2401583B GB0420674A GB0420674A GB2401583B GB 2401583 B GB2401583 B GB 2401583B GB 0420674 A GB0420674 A GB 0420674A GB 0420674 A GB0420674 A GB 0420674A GB 2401583 B GB2401583 B GB 2401583B
Authority
GB
United Kingdom
Prior art keywords
double flexible
flexible keel
keel
double
flexible
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 - Fee Related
Application number
GB0420674A
Other versions
GB2401583A (en
GB0420674D0 (en
Inventor
Neil Graham Jenkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gibbs Technologies Ltd
Original Assignee
Gibbs Technologies Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gibbs Technologies Ltd filed Critical Gibbs Technologies Ltd
Publication of GB0420674D0 publication Critical patent/GB0420674D0/en
Publication of GB2401583A publication Critical patent/GB2401583A/en
Application granted granted Critical
Publication of GB2401583B publication Critical patent/GB2401583B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
    • B60F3/00—Amphibious vehicles, i.e. vehicles capable of travelling both on land and on water; Land vehicles capable of travelling under water
    • 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
    • B60—VEHICLES IN GENERAL
    • B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
    • B60F3/00—Amphibious vehicles, i.e. vehicles capable of travelling both on land and on water; Land vehicles capable of travelling under water
    • B60F3/003—Parts or details of the vehicle structure; vehicle arrangements not otherwise provided for
    • B60F3/0038—Flotation, updrift or stability devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/38—Keels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B63B2039/063—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water the foils comprising flexible portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B63B2039/065—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water the foils being pivotal about an axis substantially parallel to the longitudinal axis of the vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2231/00—Material used for some parts or elements, or for particular purposes
    • B63B2231/40—Synthetic materials
    • B63B2231/42—Elastomeric materials
    • B63B2231/44—Rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/60—Board appendages, e.g. fins, hydrofoils or centre boards
    • B63B32/64—Adjustable, e.g. by adding sections, by removing sections or by changing orientation or profile

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Toys (AREA)
  • Tents Or Canopies (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
GB0420674A 2002-11-13 2003-11-12 Double flexible keel Expired - Fee Related GB2401583B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0226445.5A GB0226445D0 (en) 2002-11-13 2002-11-13 Water craft
PCT/GB2003/004872 WO2004043774A1 (en) 2002-11-13 2003-11-12 Double flexible keel

Publications (3)

Publication Number Publication Date
GB0420674D0 GB0420674D0 (en) 2004-10-20
GB2401583A GB2401583A (en) 2004-11-17
GB2401583B true GB2401583B (en) 2006-05-10

Family

ID=9947725

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0226445.5A Ceased GB0226445D0 (en) 2002-11-13 2002-11-13 Water craft
GB0420674A Expired - Fee Related GB2401583B (en) 2002-11-13 2003-11-12 Double flexible keel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0226445.5A Ceased GB0226445D0 (en) 2002-11-13 2002-11-13 Water craft

Country Status (4)

Country Link
US (1) US20050172878A1 (en)
AU (1) AU2003301976A1 (en)
GB (2) GB0226445D0 (en)
WO (1) WO2004043774A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1992559A1 (en) * 2007-05-15 2008-11-19 Mondo Marine Eng. Srl Stabilizing fin for watercraft
US7784417B2 (en) * 2008-11-13 2010-08-31 Jensen Christian H Sailboat with a canting ballast system
CN102612463A (en) * 2009-10-15 2012-07-25 福利兹股份有限公司 Integral foils for surf craft fins
FR3026379B1 (en) * 2014-09-30 2018-01-05 Jean Francois Iglesias PROFILE WING WITH PROGRESSIVE AND SIMULTANEOUS CAMBRIDGE AND INCIDENCE VARIATION

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980049A (en) * 1958-08-12 1961-04-18 William W Ward Boat hull keel construction
FR1499226A (en) * 1966-07-25 1967-10-27 Boat building by assembly of prefabricated elements
GB2023511A (en) * 1977-09-16 1980-01-03 Sugden K Keels
US4686923A (en) * 1986-07-25 1987-08-18 Safe Flight Instrument Corporation Sailboat keel having a cantilevered trailing edge flap
FR2755937A1 (en) * 1996-11-20 1998-05-22 Briand Philippe Keel for marine vessel hull
DE10034980A1 (en) * 2000-07-19 2002-01-31 Juergen Ruck Flexible keel for sailing boat; has at least one tension element anchored on each side in the area of the keel base and supported in area of keel cube by adjustment unit and guided to produce curve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516100A (en) * 1968-03-13 1970-06-23 Robert Ellis Automatically adjusting skeg for surfboards
US4597348A (en) * 1985-06-10 1986-07-01 Otakar Jonas Detachable keel for small boats
US5009178A (en) * 1989-11-14 1991-04-23 Geffken Henry P Self activating keel
US5501169A (en) * 1995-05-26 1996-03-26 Denker; James M. Universal canoe accessory mounting bracket
US5813890A (en) * 1996-09-12 1998-09-29 Benham; Roger A. Pivoting fin with elastic bias
US6453836B1 (en) * 1999-11-29 2002-09-24 Stephen Hampton Ditmore Sailboat keel with a rotatable secondary foil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980049A (en) * 1958-08-12 1961-04-18 William W Ward Boat hull keel construction
FR1499226A (en) * 1966-07-25 1967-10-27 Boat building by assembly of prefabricated elements
GB2023511A (en) * 1977-09-16 1980-01-03 Sugden K Keels
US4686923A (en) * 1986-07-25 1987-08-18 Safe Flight Instrument Corporation Sailboat keel having a cantilevered trailing edge flap
FR2755937A1 (en) * 1996-11-20 1998-05-22 Briand Philippe Keel for marine vessel hull
DE10034980A1 (en) * 2000-07-19 2002-01-31 Juergen Ruck Flexible keel for sailing boat; has at least one tension element anchored on each side in the area of the keel base and supported in area of keel cube by adjustment unit and guided to produce curve

Also Published As

Publication number Publication date
GB0226445D0 (en) 2002-12-18
WO2004043774A1 (en) 2004-05-27
GB2401583A (en) 2004-11-17
US20050172878A1 (en) 2005-08-11
GB0420674D0 (en) 2004-10-20
AU2003301976A1 (en) 2004-06-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071112