(19)

(11)

EP 0 051 603 A1

(12)

(43) Date of publication: 19.05.1982 Bulletin 1982/20 (21) Application number: 81900682.0 (22) Date of filing: 16.05.1980

(51) International Patent Classification (IPC):  B62D 5/ 06( . ) F15B 11/ 16( . ) (86) International application number: PCT/US1980/000577 (87) International publication number: WO 1981/003364 (26.11.1981 Gazette 1981/28)

(84) Designated Contracting States: DE FR GB (71) Applicant: CATERPILLAR TRACTOR CO. Peoria, Illinois 61629 (US)	(72) Inventor: LORIMOR, Larry W. Joliet, IL 60435 (US) (74) Representative: Wagner, Karl H.  WAGNER & GEYER Patentanwälte Gewürzmühlstrasse 5 D-80538 München D-80538 München (DE)