GB2333067B - Improved keel for aquatic craft - Google Patents

Improved keel for aquatic craft

Info

Publication number
GB2333067B
GB2333067B GB9828791A GB9828791A GB2333067B GB 2333067 B GB2333067 B GB 2333067B GB 9828791 A GB9828791 A GB 9828791A GB 9828791 A GB9828791 A GB 9828791A GB 2333067 B GB2333067 B GB 2333067B
Authority
GB
United Kingdom
Prior art keywords
aquatic craft
improved keel
keel
improved
aquatic
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
GB9828791A
Other versions
GB2333067A (en
GB9828791D0 (en
Inventor
Paul Vincent Ladd
Robin Hayward
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9828791D0 publication Critical patent/GB9828791D0/en
Publication of GB2333067A publication Critical patent/GB2333067A/en
Application granted granted Critical
Publication of GB2333067B publication Critical patent/GB2333067B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders
    • 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 
    • B63B2241/00—Design characteristics
    • B63B2241/02—Design characterised by particular shapes
    • B63B2241/10—Design characterised by particular shapes by particular three dimensional shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H2025/063—Arrangements of rudders forward of the propeller position, e.g. of backing rudders; Arrangements of rudders on the forebody of the hull; Steering gear therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H2025/066—Arrangements of two or more rudders; Steering gear therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
GB9828791A 1996-04-12 1997-04-14 Improved keel for aquatic craft Expired - Fee Related GB2333067B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPN9222A AUPN922296A0 (en) 1996-04-12 1996-04-12 Improved keel system on sailcraft and hitherto unknown, adaptions on motorised craft and vessels
PCT/AU1997/000230 WO1997038895A1 (en) 1996-04-12 1997-04-14 Improved keel for aquatic craft

Publications (3)

Publication Number Publication Date
GB9828791D0 GB9828791D0 (en) 1999-02-17
GB2333067A GB2333067A (en) 1999-07-14
GB2333067B true GB2333067B (en) 2000-12-13

Family

ID=3793536

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9828791A Expired - Fee Related GB2333067B (en) 1996-04-12 1997-04-14 Improved keel for aquatic craft

Country Status (3)

Country Link
AU (2) AUPN922296A0 (en)
GB (1) GB2333067B (en)
WO (1) WO1997038895A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2918346B1 (en) * 2007-07-03 2009-11-27 Philippe Bourbigot ANGULAR DIFFERENTIAL DEVICE FOR SAILBOATS
AU2013204785C1 (en) 2012-07-09 2019-09-05 Fin Control Systems Pty. Limited Fin Plug for Water Craft
AU2013204755A1 (en) 2012-11-14 2014-05-29 Fin Control Systems Pty. Limited A Fin Plug for a Water Craft
CN111439359B (en) * 2020-04-09 2023-10-31 浙江大学 Double cam structure diving device rudder

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE314928C (en) *
US3580203A (en) * 1968-11-05 1971-05-25 Benjamin P Martin Sailboat
GB1284610A (en) * 1968-08-14 1972-08-09 Gilles Philibert Improvements in or relating to sailing boats
US4854904A (en) * 1988-06-29 1989-08-08 Wahl Eric R Sailboard with adjustable keel mechanism
DE4226545A1 (en) * 1992-08-11 1993-02-18 Georg Neuhauser Keel withdrawal and angle adjuster for sailing vessel - uses cranks to lower, rotate and adjust angle of keel from within boat.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149288A1 (en) * 1981-12-12 1983-08-25 Oosthuizen, Johannes H., Melbourne Swivel mechanism for surfboards and windsurfing boards

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE314928C (en) *
GB1284610A (en) * 1968-08-14 1972-08-09 Gilles Philibert Improvements in or relating to sailing boats
US3580203A (en) * 1968-11-05 1971-05-25 Benjamin P Martin Sailboat
US4854904A (en) * 1988-06-29 1989-08-08 Wahl Eric R Sailboard with adjustable keel mechanism
DE4226545A1 (en) * 1992-08-11 1993-02-18 Georg Neuhauser Keel withdrawal and angle adjuster for sailing vessel - uses cranks to lower, rotate and adjust angle of keel from within boat.

Also Published As

Publication number Publication date
AU2498797A (en) 1997-11-07
WO1997038895A1 (en) 1997-10-23
GB2333067A (en) 1999-07-14
AU708693B2 (en) 1999-08-12
GB9828791D0 (en) 1999-02-17
AUPN922296A0 (en) 1996-05-02

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Legal Events

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

Effective date: 20040414