(19)

(11)

EP 0 365 522 A1

(12)

(43) Date of publication: 02.05.1990 Bulletin 1990/18 (21) Application number: 88900558.0 (22) Date of filing: 22.12.1987

(51) International Patent Classification (IPC):  B60P 1/ 20( . ) B66F 7/ 08( . ) B66F 5/ 04( . ) B66F 7/ 22( . ) (86) International application number: PCT/AU1987/000434 (87) International publication number: WO 1988/008378 (03.11.1988 Gazette 1988/24)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 29.04.1987 AU 19870001647 03.11.1987 AU 19870005214 (71) Applicant: G.M.B. (AUSTRALIA) PTY. LTD. Bryants Road Loganholme, QLD 4129 (AU)	(72) Inventors: SUTHERLAND, Brian Shailer Park, QLD 4128 (AU) SUTHERLAND, George, Matheson Shailer Park, QLD 4128 (AU) (74) Representative: Burford, Anthony Frederick  W.H. Beck, Greener & Co. 7 Stone Buildings Lincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)