(19)

(11)

EP 0 083 353 A1

(12)

(43) Date of publication: 13.07.1983 Bulletin 1983/28 (21) Application number: 82902077.0 (22) Date of filing: 13.07.1982

(51) International Patent Classification (IPC):  A01D 89/ 00( . ) A01F 15/ 08( . ) (86) International application number: PCT/GB1982/000207 (87) International publication number: WO 1983/000076 (20.01.1983 Gazette 1983/02)

(84) Designated Contracting States: AT BE CH DE FR LI LU NL SE (30) Priority: 13.07.1981 GB 19810021573 (71) Applicant: INTERNATIONAL HARVESTER COMPANY Chicago Illinois 60611 (US)	(72) Inventor: STREET, Raymond Bernard Doncaster South Yorkshire DN6 0EJ (GB) (74) Representative: Geldard, David Guthrie  URQUHART-DYKES AND LORD 5th Floor, Tower House Merrion Way Leeds, LS2 8PB West Yorkshire Leeds, LS2 8PB West Yorkshire (GB)