(19)

(11)

EP 0 093 137 A1

(12)

(43) Date of publication: 09.11.1983 Bulletin 1983/45 (21) Application number: 82903328.0 (22) Date of filing: 03.11.1982

(51) International Patent Classification (IPC):  E05B 65/ 48( . ) E05B 67/ 38( . ) (86) International application number: PCT/GB1982/000314 (87) International publication number: WO 1983/001645 (11.05.1983 Gazette 1983/11)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 03.11.1981 GB 19810033025 17.02.1982 GB 19820004589 30.04.1982 GB 19820012685 (71) Applicant: ROGERS, Roy London SW9 (GB)	(72) Inventor: ROGERS, Roy London SW9 (GB) (74) Representative: Leale, Robin George, et al  FRANK B. DEHN & CO. Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)