(19)

(11)

EP 1 998 859 A2

(12)

(88) Date of publication A3: 03.01.2008 (43) Date of publication: 10.12.2008 Bulletin 2008/50 (21) Application number: 06816609.9 (22) Date of filing: 10.10.2006

(51) International Patent Classification (IPC):  A63B 69/00(2006.01) (86) International application number: PCT/US2006/039522 (87) International publication number: WO 2007/047255 (26.04.2007 Gazette 2007/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 12.10.2005 US 249677 (71) Applicant: Snyder, Gregory P. Bloomington, MN 55438 (US)	(72) Inventor: Snyder, Gregory P. Bloomington, MN 55438 (US) (74) Representative: Wightman, David Alexander et al Barker Brettell LLP 138 Hagley Road Edgbaston Birmingham B16 9PW Edgbaston Birmingham B16 9PW (GB)