(19)

(11)

EP 0 371 120 A1

(12)

(43) Date of publication: 06.06.1990 Bulletin 1990/23 (21) Application number: 89906602.0 (22) Date of filing: 04.05.1989

(51) International Patent Classification (IPC):  A47G 29/ 10( . ) E05B 19/ 26( . ) A45C 11/ 32( . ) E05B 15/ 16( . ) (86) International application number: PCT/US1989/001894 (87) International publication number: WO 1989/010719 (16.11.1989 Gazette 1989/27)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 06.05.1988 US 19880191233 (71) Applicants: AMERICAN KEYCARD, INC. Detroit, MI 48226 (US) HAUPT, Marvin A. Birmingham, MI 48010 (US) VACCA, Peter Thomas Troy, MI 48098 (US)	(72) Inventors: HAUPT, Marvin A. Birmingham, MI 48010 (US) VACCA, Peter Thomas Troy, MI 48098 (US) (74) Representative: Jorio, Paolo  STUDIO TORTA Società Semplice Via Viotti 9 I-10121 Torino I-10121 Torino (IT)