(19)

(11)

EP 2 566 753 A2

(12)

(88) Date of publication A3: 17.11.2011 (43) Date of publication: 13.03.2013 Bulletin 2013/11 (21) Application number: 11716987.0 (22) Date of filing: 23.03.2011

(51) International Patent Classification (IPC):  B63H 16/06(2006.01) (86) International application number: PCT/GB2011/050576 (87) International publication number: WO 2011/117627 (29.09.2011 Gazette 2011/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 25.03.2010 GB 201005039 (71) Applicant: Maskell, Richard Anthony Morton Plymouth, Devon PL8 1AL (GB)	(72) Inventor: Maskell, Richard Anthony Morton Plymouth, Devon PL8 1AL (GB) (74) Representative: Craske, Stephen Allan  Craske & Co. Queensgate House 48 Queen Street Exeter EX4 3SR Exeter EX4 3SR (GB)