(19)

(11)

EP 0 998 333 A1

(12)

(43) Date of publication: 10.05.2000 Bulletin 2000/19 (21) Application number: 97949413.5 (22) Date of filing: 04.11.1997

(51) International Patent Classification (IPC)7: A63B 67/00 (86) International application number: PCT/US9720/685 (87) International publication number: WO 9819/756 (14.05.1998 Gazette 1998/19)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 06.11.1996 US 744754 (71) Applicant: Archworks, Inc. Rowlett, TX 75088 (US)	(72) Inventor: CRAIG, Gregory Rowlet, TX 75088 (US) (74) Representative: Frankland, Nigel Howard et al FORRESTER & BOEHMERTFranz-Joseph-Strasse 38 80801 München 80801 München (DE)