Title:
サーフボード、セールボードなどを対象とした可撓性部分をもつフィンまたはキール
Document Type and Number:
Japanese Patent JP2008543629
Kind Code:
A
Abstract:
Keel or fin (1) for a watercraft such as a surfboard is conventional in shape but comprises major portion (2) fixed to the board by peg (10) and minor, flexible, trailing portion (3) fixed to major portion (2). Minor portion (3) has a more rigid leading edge (16) which slides dovetail fashion onto trailing edge (8, 9) of major portion (2) and is locked in place by grub screw (7). Minor portion (3) has core (11) of rubber allowing it to flex sideways under water pressure. Excessive movement of trailing edge (12) of minor portion (3) is prevented when edge (12) contacts stops (4) positioned on either side on the board. Minor portion (3) may be completely surrounded in an aperture in major portion (2) or may have apertures to which air is fed via ducting.
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Inventors:
Jones, Cameron Grant
Application Number:
JP2008515647A
Publication Date:
December 04, 2008
Filing Date:
June 07, 2006
Export Citation:
Assignee:
JONES,Cameron Grant
International Classes:
B63B41/00; B63B35/79
Foreign References:
| US4733496A | 1988-03-29 | |||
| FR2598756A1 | 1987-11-20 |
Attorney, Agent or Firm:
Nobuyuki Iida