(19)

(11)

EP 0 060 839 A1

(12)

(43) Date of publication: 29.09.1982 Bulletin 1982/39 (21) Application number: 81901357.0 (22) Date of filing: 22.09.1980

(51) International Patent Classification (IPC):  B60B 33/ 00( . ) (86) International application number: PCT/US1980/001268 (87) International publication number: WO 1982/000977 (01.04.1982 Gazette 1982/09)

(84) Designated Contracting States: GB NL (71) Applicant: STEWART WAGNER CORPORATION Chicago, IL 60614 (US)	(72) Inventor: FONTANA, Frank J. Stratford, CT 06497 (US) (74) Representative: Arthur, George Fitzgerald, et al  KILBURN & STRODE 30, John Street London WC1N 2DD London WC1N 2DD (GB)