(19)

(11)

EP 0 528 814 A1

(12)

(43) Date of publication: 03.03.1993 Bulletin 1993/09 (21) Application number: 91907185.0 (22) Date of filing: 13.03.1991

(51) International Patent Classification (IPC):  A47C 1/ 14( . ) A47C 7/ 66( . ) (86) International application number: PCT/US1991/001693 (87) International publication number: WO 1991/014386 (03.10.1991 Gazette 1991/23)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 20.03.1990 US 19900496520 24.05.1990 US 19900528819 14.12.1990 US 19900628486 (71) Applicant: FELLING, Gerald J. Lagunitas, CA 94938 (US)	(72) Inventor: FELLING, Gerald J. Lagunitas, CA 94938 (US) (74) Representative: Hitchcock, Esmond Antony  Lloyd Wise, Tregear & Co. Norman House 105-109 Strand London WC2R 0AE London WC2R 0AE (GB)