(19)

(11)

EP 0 277 977 A1

(12)

(43) Date of publication: 17.08.1988 Bulletin 1988/33 (21) Application number: 87905145.0 (22) Date of filing: 04.08.1987

(51) International Patent Classification (IPC):  B62D 21/ 18( . ) (86) International application number: PCT/AU1987/000249 (87) International publication number: WO 1988/000900 (11.02.1988 Gazette 1988/04)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 05.08.1986 US 19860893247 (71) Applicant: JEFFERSON APPROTRAC COMPANY PTY. LIMITED Lidcombe, NSW 2141 (AU)	(72) Inventor: FRINK, Dennis, Michael Lidcombe, NSW 2141 (AU) (74) Representative: Wharton, Peter Robert, et al  Urquhart-Dykes & Lord Inventions House Valley Court, Canal Road Bradford BD1 4SP Bradford BD1 4SP (GB)