(19)

(11)

EP 1 691 903 A1

(12)

(43) Date of publication: 23.08.2006 Bulletin 2006/34 (21) Application number: 04813160.1 (22) Date of filing: 03.12.2004

(51) International Patent Classification (IPC):  A63C 5/12(2006.01) (86) International application number: PCT/US2004/040799 (87) International publication number: WO 2005/056132 (23.06.2005 Gazette 2005/25)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 05.12.2003 US 527508 P (71) Applicant: K-2 CORPORATION Vashon, Washington 98070 (US)	(72) Inventor: AMBUSKE, Aaron Seattle, WA 98126 (US) (74) Representative: Schulz, Rütger  Patentanwälte Mitscherlich & Partner, Sonnenstrasse 33 80331 München 80331 München (DE)