(19)

(11)

EP 0 087 434 A1

(12)

(43) Date of publication: 07.09.1983 Bulletin 1983/36 (21) Application number: 82902522.0 (22) Date of filing: 02.09.1982

(51) International Patent Classification (IPC):  B65G 41/ 00( . ) E04G 21/ 04( . ) (86) International application number: PCT/AU1982/000148 (87) International publication number: WO 1983/000896 (17.03.1983 Gazette 1983/07)

(84) Designated Contracting States: DE FR GB SE (30) Priority: 03.09.1981 AU 19810000572 (71) Applicant: WICKHAM, Wallis Gordon South Perth, W.A. 6151 (AU)	(72) Inventor: WICKHAM, Wallis Gordon South Perth, W.A. 6151 (AU)