GB825794A - Improvements in or relating to centre boards or dropkeels for yachts and the like watercraft - Google Patents

Improvements in or relating to centre boards or dropkeels for yachts and the like watercraft

Info

Publication number
GB825794A
GB825794A GB2412057A GB2412057A GB825794A GB 825794 A GB825794 A GB 825794A GB 2412057 A GB2412057 A GB 2412057A GB 2412057 A GB2412057 A GB 2412057A GB 825794 A GB825794 A GB 825794A
Authority
GB
United Kingdom
Prior art keywords
dropkeel
centre
centre board
housing
july
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
Application number
GB2412057A
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.)
COOLMOTA Ltd
FREDERICK LIONEL MILLER
Original Assignee
COOLMOTA Ltd
FREDERICK LIONEL MILLER
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 COOLMOTA Ltd, FREDERICK LIONEL MILLER filed Critical COOLMOTA Ltd
Priority to GB2412057A priority Critical patent/GB825794A/en
Publication of GB825794A publication Critical patent/GB825794A/en
Expired 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 
    • B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Tires In General (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

825,794. Drop-keels. MILLER, F. L., OWEN, F. E., and COOLMOTA Ltd. July 18, 1958 [July 30, 1957], No. 24120/57. Class 114. A replaceable dropkeel and housing assembly comprises a channelled watertight support housing 40 carrying a pivotable dropkeel 20 including a centre board 21 and quadrant shaped plates 25 partly surrounding the centre board to strengthen the dropkeel and enable the centre board to break below the plates 25 if the craft is driven aground with the centre board lowered. The dropkeel is raised and lowered by means of handle or actuator 101 secured on the end of a pivot 30 supported in a packing gland assembly on the housing 40 and having a rectangular portion which fits in a rectangular aperture in the drop keel.
GB2412057A 1957-07-30 1957-07-30 Improvements in or relating to centre boards or dropkeels for yachts and the like watercraft Expired GB825794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2412057A GB825794A (en) 1957-07-30 1957-07-30 Improvements in or relating to centre boards or dropkeels for yachts and the like watercraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2412057A GB825794A (en) 1957-07-30 1957-07-30 Improvements in or relating to centre boards or dropkeels for yachts and the like watercraft

Publications (1)

Publication Number Publication Date
GB825794A true GB825794A (en) 1959-12-23

Family

ID=10206704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2412057A Expired GB825794A (en) 1957-07-30 1957-07-30 Improvements in or relating to centre boards or dropkeels for yachts and the like watercraft

Country Status (1)

Country Link
GB (1) GB825794A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275449A (en) * 1993-02-26 1994-08-31 Simon Richard Charles Hipkin Lifting rudder and centreboard clamping device
US20140090588A1 (en) * 2011-05-12 2014-04-03 Giorgio Brighi Steering and roll-stabilizing device with retractable fins
GB2561214A (en) * 2017-04-05 2018-10-10 Lionel Ronald John Keeping Bruce A centreboard assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275449A (en) * 1993-02-26 1994-08-31 Simon Richard Charles Hipkin Lifting rudder and centreboard clamping device
GB2275449B (en) * 1993-02-26 1996-08-21 Simon Richard Charles Hipkin Lifting rudder and centreboard clamping
US20140090588A1 (en) * 2011-05-12 2014-04-03 Giorgio Brighi Steering and roll-stabilizing device with retractable fins
GB2561214A (en) * 2017-04-05 2018-10-10 Lionel Ronald John Keeping Bruce A centreboard assembly
GB2561214B (en) * 2017-04-05 2020-03-04 Lionel Ronald John Keeping Bruce A centreboard assembly

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