(19)

(11)

EP 0 175 784 A1

(12)

(43) Date of publication: 02.04.1986 Bulletin 1986/14 (21) Application number: 85902179.0 (22) Date of filing: 02.04.1985

(51) International Patent Classification (IPC):  B66C 13/ 04( . ) B66C 23/ 06( . ) (86) International application number: PCT/SE1985/000156 (87) International publication number: WO 1985/004386 (10.10.1985 Gazette 1985/22)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 03.04.1984 SE 19840001843 (71) Applicant: AB Hägglund & Söner S-891 01 Örnsköldsvik (SE)	(72) Inventors: ASTRÖM, Gunnar, Elis S-891 00 Örnsköldsvik (SE) HÄGGLUND, Per, Erik, Jonas S-891 00 Örnsköldsvik (SE)