(19)

(11)

EP 0 097 701 A1

(12)

(43) Date of publication: 11.01.1984 Bulletin 1984/02 (21) Application number: 83900377.0 (22) Date of filing: 13.12.1982

(51) International Patent Classification (IPC):  A63B 21/ 005( . ) A63B 21/ 00( . ) (86) International application number: PCT/US1982/001741 (87) International publication number: WO 1983/002236 (07.07.1983 Gazette 1983/16)

(84) Designated Contracting States: DE FR GB (30) Priority: 30.12.1981 US 19810335911 12.07.1982 US 19820397663 (71) Applicant: SMITH, Robert Samuel San Jose, CA 95126 (US)	(72) Inventor: SMITH, Robert Samuel San Jose, CA 95126 (US) (74) Representative: Jones, Ian  W.P. THOMPSON & CO. Celcon House 289-293 High Holborn London WC1V 7HU London WC1V 7HU (GB)