AU2498797A - Improved keel for aquatic craft - Google Patents

Improved keel for aquatic craft

Info

Publication number
AU2498797A
AU2498797A AU24987/97A AU2498797A AU2498797A AU 2498797 A AU2498797 A AU 2498797A AU 24987/97 A AU24987/97 A AU 24987/97A AU 2498797 A AU2498797 A AU 2498797A AU 2498797 A AU2498797 A AU 2498797A
Authority
AU
Australia
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.)
Granted
Application number
AU24987/97A
Other versions
AU708693B2 (en
Inventor
Paul Vincent Ladd
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 AU2498797A publication Critical patent/AU2498797A/en
Application granted granted Critical
Publication of AU708693B2 publication Critical patent/AU708693B2/en
Anticipated expiration legal-status Critical
Ceased 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)
AU24987/97A 1996-04-12 1997-04-14 Improved keel for aquatic craft Ceased AU708693B2 (en)

Applications Claiming Priority (3)

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
AUPN9222 1996-04-12
PCT/AU1997/000230 WO1997038895A1 (en) 1996-04-12 1997-04-14 Improved keel for aquatic craft

Publications (2)

Publication Number Publication Date
AU2498797A true AU2498797A (en) 1997-11-07
AU708693B2 AU708693B2 (en) 1999-08-12

Family

ID=3793536

Family Applications (2)

Application Number Title Priority Date Filing Date
AUPN9222A Abandoned AUPN922296A0 (en) 1996-04-12 1996-04-12 Improved keel system on sailcraft and hitherto unknown, adaptions on motorised craft and vessels
AU24987/97A Ceased AU708693B2 (en) 1996-04-12 1997-04-14 Improved keel for aquatic craft

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AUPN9222A Abandoned AUPN922296A0 (en) 1996-04-12 1996-04-12 Improved keel system on sailcraft and hitherto unknown, adaptions on motorised craft and vessels

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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE314928C (en) *
FR1584377A (en) * 1968-08-14 1969-12-19
US3580203A (en) * 1968-11-05 1971-05-25 Benjamin P Martin Sailboat
DE3149288A1 (en) * 1981-12-12 1983-08-25 Oosthuizen, Johannes H., Melbourne Swivel mechanism for surfboards and windsurfing boards
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
AUPN922296A0 (en) 1996-05-02
AU708693B2 (en) 1999-08-12
GB9828791D0 (en) 1999-02-17
GB2333067A (en) 1999-07-14
GB2333067B (en) 2000-12-13
WO1997038895A1 (en) 1997-10-23

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired