(19)

(11)

EP 0 169 840 A1

(12)

(43) Date of publication: 05.02.1986 Bulletin 1986/06 (21) Application number: 84900927.0 (22) Date of filing: 30.01.1984

(51) International Patent Classification (IPC):  A63B 21/ 005( . ) A63B 21/ 002( . ) A63B 21/ 00( . ) A63B 23/ 035( . ) (86) International application number: PCT/US1984/000125 (87) International publication number: WO 1985/003236 (01.08.1985 Gazette 1985/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: SAGEDAHL, Steven M. Minneapolis, MN 55414 (US)	(72) Inventor: SAGEDAHL, Steven M. Minneapolis, MN 55414 (US)