(19)

(11)

EP 0 949 944 A1

(12)

(43) Date of publication: 20.10.1999 Bulletin 1999/42 (21) Application number: 97905641.0 (22) Date of filing: 23.01.1997

(51) International Patent Classification (IPC):  A63B 37/ 00( . ) (86) International application number: PCT/US1997/001349 (87) International publication number: WO 1998/032498 (30.07.1998 Gazette 1998/30)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Sellar, John G. Lakewood, CO 80227 (US)	(72) Inventor: Sellar, John G. Lakewood, CO 80227 (US) (74) Representative: Hanna, Peter William Derek, et al  Tomkins & Co., 5 Dartmouth Road Dublin 6 Dublin 6 (IE)