(19)

(11)

EP 0 343 205 A1

(12)

(43) Date of publication: 29.11.1989 Bulletin 1989/48 (21) Application number: 88909579.0 (22) Date of filing: 07.11.1988

(51) International Patent Classification (IPC):  E05B 47/ 06( . ) E05B 49/ 00( . ) (86) International application number: PCT/GB1988/000955 (87) International publication number: WO 1989/004413 (18.05.1989 Gazette 1989/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 06.11.1987 GB 19870026106 (71) Applicant: UNIQEY HOLDINGS LIMITED Dunstable, Beds., LU6 1JJ (GB)	(72) Inventor: McGUIRE, Geoffrey Milton Keynes MK1 1BQ (GB) (74) Representative: Crawford, Andrew Birkby, et al  A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC2A 1AY London WC2A 1AY (GB)