(19)

(11)

EP 0 271 485 A1

(12)

(43) Date of publication: 22.06.1988 Bulletin 1988/25 (21) Application number: 86904511.0 (22) Date of filing: 10.06.1986

(51) International Patent Classification (IPC):  E05B 65/ 46( . ) (86) International application number: PCT/US1986/001277 (87) International publication number: WO 1987/007668 (17.12.1987 Gazette 1987/28)

(84) Designated Contracting States: DE FR GB IT (71) Applicant: HAWORTH, INC. Holland Michigan 49423 (US)	(72) Inventors: McKERNAN, Thomas, J. Grand Rapids, MI 49504 (US) BERRY, Gordon, C. Grand Rapids, MI 49504 (US) (74) Representative: Jackson, David Spence, et al  REDDIE & GROSE 16, Theobalds Road London, WC1X 8PL London, WC1X 8PL (GB)