(19)

(11)

EP 0 394 389 A1

(12)

(43) Date of publication: 31.10.1990 Bulletin 1990/44 (21) Application number: 89910162.0 (22) Date of filing: 30.08.1989

(51) International Patent Classification (IPC):  B60G 17/ 04( . ) (86) International application number: PCT/GB1989/001007 (87) International publication number: WO 1990/002663 (22.03.1990 Gazette 1990/07)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 02.09.1988 GB 19880021859 12.06.1989 GB 19890013488 (71) Applicant: ELECTRO HYDRAULIC TECHNOLOGY LTD. Frodsham, Warrington WA6 6QZ (GB)	(72) Inventor: JENNINS, William, Stuart Frodsham Warrington WA6 6QZ (GB) (74) Representative: Frost, Dennis Thomas, et al  WITHERS & ROGERS 4 Dyer's Buildings Holborn London, EC1N 2JT London, EC1N 2JT (GB)