(19)

(11)

EP 0 880 464 A1

(12)

(43) Date of publication: 02.12.1998 Bulletin 1998/49 (21) Application number: 97904524.0 (22) Date of filing: 11.02.1997

(51) International Patent Classification (IPC):  B66B 23/ 02( . ) (86) International application number: PCT/GB1997/000378 (87) International publication number: WO 1997/029987 (21.08.1997 Gazette 1997/36)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 13.02.1996 GB 19960002940 (71) Applicants: Precision Chains Dudley, West Midlands DY2 0YG (GB) RCS (Designs) Ltd. Burnell, Shrewsbury, Shropshire SY5 7HR (GB)	(72) Inventor: HAYCOCK, Bryan Netherton Dudley DY2 0HW (GB) (74) Representative: Shaw, Laurence  5th Floor, Metropolitan House, 1 Hagley Road, Edgbaston Birmingham B16 8TG Birmingham B16 8TG (GB)