(19)

(11)

EP 0 066 578 A1

(12)

(43) Date of publication: 15.12.1982 Bulletin 1982/50 (21) Application number: 81903213.0 (22) Date of filing: 08.12.1981

(51) International Patent Classification (IPC):  B60P 5/ 00( . ) G01G 19/ 10( . ) G01G 19/ 08( . ) G01G 19/ 12( . ) (86) International application number: PCT/SE1981/000363 (87) International publication number: WO 1982/002024 (24.06.1982 Gazette 1982/16)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 16.12.1980 SE 19800008841 (71) Applicant: ERGOTEST AB S-852 54 Sundsvall (SE)	(72) Inventor: PERSSON, Lars-Erik S-861 00 Timra (SE) (74) Representative: Uusitalo, Isak  Carminger, Uusitalo & Nyberg Patentbyra AB, P.O. Box 7274 S-103 89 Stockholm S-103 89 Stockholm (SE)