(19)

(11)

EP 0 534 968 A1

(12)

(43) Date of publication: 07.04.1993 Bulletin 1993/14 (21) Application number: 90916842.0 (22) Date of filing: 07.11.1990

(51) International Patent Classification (IPC):  B66F 11/ 04( . ) F16M 11/ 42( . ) (86) International application number: PCT/SE1990/000724 (87) International publication number: WO 1991/006802 (16.05.1991 Gazette 1991/11)

(84) Designated Contracting States: BE DE FR GB IT NL (30) Priority: 07.11.1989 SE 19890003727 (71) Applicant: RIDDERSTOLPE, Johan S-144 00 Roenninge (SE)	(72) Inventor: RIDDERSTOLPE, Johan S-144 00 Roenninge (SE) (74) Representative: Axelsson, Rolf, et al  Kransell & Wennborg AB Box 27834 S-115 93 Stockholm S-115 93 Stockholm (SE)