(19)

(11)

EP 0 218 632 A1

(12)

(43) Date of publication: 22.04.1987 Bulletin 1987/17 (21) Application number: 86902172.0 (22) Date of filing: 18.03.1986

(51) International Patent Classification (IPC):  B60L 11/ 12( . ) (86) International application number: PCT/US1986/000525 (87) International publication number: WO 1986/006009 (23.10.1986 Gazette 1986/23)

(84) Designated Contracting States: DE FR GB IT SE (30) Priority: 17.04.1985 US 19850724105 (71) Applicant: BOS, Piet B. Menlo Park, CA 94025 (US)	(72) Inventor: BOS, Piet B. Menlo Park, CA 94025 (US)