(19)

(11)

EP 0 235 229 A1

(12)

(43) Date of publication: 09.09.1987 Bulletin 1987/37 (21) Application number: 86905339.0 (22) Date of filing: 29.08.1986

(51) International Patent Classification (IPC):  F01L 1/ 356( . ) F16H 35/ 02( . ) (86) International application number: PCT/GB1986/000515 (87) International publication number: WO 1987/001423 (12.03.1987 Gazette 1987/06)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 31.08.1985 GB 19850021718 (71) Applicant: STIDWORTHY, Frederick Michael Warwickshire CV36 5JY (GB)	(72) Inventor: STIDWORTHY, Frederick Michael Warwickshire CV36 5JY (GB)