(19)

(11)

EP 0 595 952 A1

(12)

(43) Date of publication: 11.05.1994 Bulletin 1994/19 (21) Application number: 92916085.0 (22) Date of filing: 29.07.1992

(51) International Patent Classification (IPC):  B60B 3/ 16( . ) B25B 13/ 50( . ) F16B 23/ 00( . ) F16B 43/ 00( . ) B25B 13/ 48( . ) B60B 29/ 00( . ) F16B 37/ 00( . ) F16B 1/ 00( . ) (86) International application number: PCT/AU1992/000393 (87) International publication number: WO 1993/003283 (18.02.1993 Gazette 1993/05)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 29.07.1991 AU 19910007498 (71) Applicant: MATHEWS, Norman Leslie West Perth, WA 6005 (AU)	(72) Inventor: MATHEWS, Norman Leslie West Perth, WA 6005 (AU) (74) Representative: MacGregor, Gordon  ERIC POTTER CLARKSON St. Mary's Court St. Mary's Gate Nottingham, NG1 1LE Nottingham, NG1 1LE (GB)