(19)

(11)

EP 0 102 997 A1

(12)

(43) Date of publication: 21.03.1984 Bulletin 1984/12 (21) Application number: 83900943.0 (22) Date of filing: 09.03.1983

(51) International Patent Classification (IPC):  F16H 19/ 00( . ) F16K 31/ 04( . ) (86) International application number: PCT/GB1983/000071 (87) International publication number: WO 1983/003126 (15.09.1983 Gazette 1983/21)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 09.03.1982 GB 19820006811 (71) Applicant: S.P. GEARS LIMITED Kent DA14 5DT (GB)	(72) Inventor: JENKINS, William Gregory Meopham Kent (GB)