(19)

(11)

EP 0 154 638 A1

(12)

(43) Date of publication: 18.09.1985 Bulletin 1985/38 (21) Application number: 84903179.0 (22) Date of filing: 20.08.1984

(51) International Patent Classification (IPC):  A61B 5/ 053( . ) B60L 3/ 02( . ) B60K 28/ 06( . ) B60T 7/ 14( . ) (86) International application number: PCT/GB1984/000287 (87) International publication number: WO 1985/000785 (28.02.1985 Gazette 1985/05)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 18.08.1983 GB 19830022264 18.04.1984 GB 19840010054 (71) Applicants: SWYER, Gerald Isaac Macdonald London, NW3 6AU (GB) SPENCE, Huntly Gordon London NW3 4XP (GB)	(72) Inventors: SWYER, Gerald Isaac Macdonald London, NW3 6AU (GB) SPENCE, Huntly Gordon London NW3 4XP (GB) (74) Representative: Gallafent, Richard John  GALLAFENT & CO. 8 Staple Inn London WCIV 7QH London WCIV 7QH (GB)