(19)

(11)

EP 0 258 369 A1

(12)

(43) Date of publication: 09.03.1988 Bulletin 1988/10 (21) Application number: 87901549.0 (22) Date of filing: 20.02.1987

(51) International Patent Classification (IPC):  F16H 3/ 74( . ) (86) International application number: PCT/GB1987/000130 (87) International publication number: WO 1987/005086 (27.08.1987 Gazette 1987/19)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 22.02.1986 GB 19860004460 (71) Applicant: STIDWORTHY, Frederick Michael Warwickshire CV36 5JY (GB)	(72) Inventor: STIDWORTHY, Frederick Michael Warwickshire CV36 5JY (GB)