GB2010189A - Centre boards - Google Patents

Centre boards

Info

Publication number
GB2010189A
GB2010189A GB7845213A GB7845213A GB2010189A GB 2010189 A GB2010189 A GB 2010189A GB 7845213 A GB7845213 A GB 7845213A GB 7845213 A GB7845213 A GB 7845213A GB 2010189 A GB2010189 A GB 2010189A
Authority
GB
United Kingdom
Prior art keywords
centre
board
recess
centre board
boards
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.)
Withdrawn
Application number
GB7845213A
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
Priority claimed from DE19772756189 external-priority patent/DE2756189A1/en
Priority claimed from DE19782842674 external-priority patent/DE2842674A1/en
Application filed by Individual filed Critical Individual
Publication of GB2010189A publication Critical patent/GB2010189A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/60—Board appendages, e.g. fins, hydrofoils or centre boards
    • B63B32/66—Arrangements for fixation to the board, e.g. fin boxes or foil boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B2035/009—Wind propelled vessels comprising arrangements, installations or devices specially adapted therefor, other than wind propulsion arrangements, installations, or devices, such as sails, running rigging, or the like, and other than sailboards or the like or related equipment

Abstract

A sailboard body is provided with a central recess 2 which receives a centre board 11 and means are provided for positively locating the centre board at various longitudinal locations within the recess. Preferably the centre board is pivotable between a lowered position perpendicular to the board and a raised horizontal position. Several alternative mountings are described. <IMAGE>
GB7845213A 1977-12-16 1978-11-20 Centre boards Withdrawn GB2010189A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772756189 DE2756189A1 (en) 1977-12-16 1977-12-16 Adjustable centre board for wind-surger - operates with sliding pivot to trim centre-board for type of waves
DE19782842674 DE2842674A1 (en) 1978-09-29 1978-09-29 Centre board for boat sail - has positive locations provided to secure board in recess at various longitudinal locations

Publications (1)

Publication Number Publication Date
GB2010189A true GB2010189A (en) 1979-06-27

Family

ID=25773285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7845213A Withdrawn GB2010189A (en) 1977-12-16 1978-11-20 Centre boards

Country Status (5)

Country Link
JP (1) JPS5490791A (en)
FR (1) FR2411756A1 (en)
GB (1) GB2010189A (en)
IT (1) IT1101477B (en)
YU (1) YU294678A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439166A (en) * 1981-09-21 1984-03-27 Maxwell Ralph A Adjustable water ski fin and wing
WO1987004399A1 (en) * 1986-01-21 1987-07-30 Kransco Manufacturing, Inc. Retractable water board fin
DE4012621A1 (en) * 1989-05-09 1991-02-07 Zander Wolf Dietrich Releasable fastener for centre-board shaft
US5356324A (en) * 1993-09-13 1994-10-18 Cunningham Eugene F Retractable, and adjustable fin box mechanism
US9688365B2 (en) 2012-07-09 2017-06-27 Fin Control Systems Pty Limited Fin plug for water craft
US9957021B2 (en) 2012-11-14 2018-05-01 Fin Control Systems Pty. Limited Fin plug for a water craft

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439166A (en) * 1981-09-21 1984-03-27 Maxwell Ralph A Adjustable water ski fin and wing
WO1987004399A1 (en) * 1986-01-21 1987-07-30 Kransco Manufacturing, Inc. Retractable water board fin
DE4012621A1 (en) * 1989-05-09 1991-02-07 Zander Wolf Dietrich Releasable fastener for centre-board shaft
US5356324A (en) * 1993-09-13 1994-10-18 Cunningham Eugene F Retractable, and adjustable fin box mechanism
US9688365B2 (en) 2012-07-09 2017-06-27 Fin Control Systems Pty Limited Fin plug for water craft
US9862467B2 (en) 2012-07-09 2018-01-09 Fin Control Systems Pty Limited Securing mechanism for water craft fin
US10377452B2 (en) 2012-07-09 2019-08-13 Fin Control Systems Pty Limited Fin plug for water craft
US9957021B2 (en) 2012-11-14 2018-05-01 Fin Control Systems Pty. Limited Fin plug for a water craft

Also Published As

Publication number Publication date
JPS5490791A (en) 1979-07-18
FR2411756A1 (en) 1979-07-13
FR2411756B3 (en) 1981-10-09
IT1101477B (en) 1985-09-28
IT7830689A0 (en) 1978-12-11
YU294678A (en) 1982-06-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)