(19)

(11)

EP 0 188 543 A1

(12)

(43) Date of publication: 30.07.1986 Bulletin 1986/31 (21) Application number: 85903590.0 (22) Date of filing: 27.06.1985

(51) International Patent Classification (IPC):  B25J 13/ 08( . ) B25J 18/ 00( . ) B25J 19/ 04( . ) B25J 9/ 16( . ) B25J 19/ 02( . ) (86) International application number: PCT/US1985/001257 (87) International publication number: WO 1986/000557 (30.01.1986 Gazette 1986/03)

(84) Designated Contracting States: DE FR GB IT NL SE (30) Priority: 13.07.1984 US 19840630441 (71) Applicant: AT&T Corp. New York, NY 10013-2412 (US)	(72) Inventor: BOIE, Robert, Albert Westfield, NJ 07090 (US) (74) Representative: Buckley, Christopher Simon Thirsk, et al  AT&T (UK) Ltd. 5 Mornington Road Woodford Green Essex IG8 0TU Woodford Green Essex IG8 0TU (GB)