(19)

(11)

EP 0 341 276 A1

(12)

(43) Date of publication: 15.11.1989 Bulletin 1989/46 (21) Application number: 88909348.0 (22) Date of filing: 14.10.1988

(51) International Patent Classification (IPC):  B66F 17/ 00( . ) G01G 19/ 08( . ) (86) International application number: PCT/GB1988/000864 (87) International publication number: WO 1989/003361 (20.04.1989 Gazette 1989/09)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 15.10.1987 GB 19870024206 (71) Applicant: J.C. BAMFORD EXCAVATORS LIMITED Uttoxeter Staffordshire ST14 5JP (GB)	(72) Inventor: KNIGHT, David, John Cheddleton Staffordshire ST13 7EP (GB) (74) Representative: Lewis, Samuel Hewitt, et al  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)