(19)

(11)

EP 0 623 198 A1

(12)

(43) Date of publication: 09.11.1994 Bulletin 1994/45 (21) Application number: 93903107.0 (22) Date of filing: 01.02.1993

(51) International Patent Classification (IPC):  F16H 3/ 72( . ) F16H 47/ 04( . ) (86) International application number: PCT/AU1993/000043 (87) International publication number: WO 1993/015337 (05.08.1993 Gazette 1993/19)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 31.01.1992 AU 19920000653 (71) Applicant: ATKINSON, Graham Edward Grantville, VIC 3984 (AU)	(72) Inventor: ATKINSON, Graham Edward Grantville, VIC 3984 (AU) (74) Representative: Sherrard-Smith, Hugh, et al  Appleyard, Lees & Co. 15 Clare Road Halifax, HX1 2HY West Yorkshire Halifax, HX1 2HY West Yorkshire (GB)