(19)

(11)

EP 0 557 458 A1

(12)

(43) Date of publication: 01.09.1993 Bulletin 1993/35 (21) Application number: 92901998.0 (22) Date of filing: 13.11.1991

(51) International Patent Classification (IPC):  A61G 5/ 02( . ) A61G 5/ 08( . ) A61G 5/ 00( . ) A61G 5/ 12( . ) (86) International application number: PCT/US1991/008463 (87) International publication number: WO 1992/008432 (29.05.1992 Gazette 1992/12)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 14.11.1990 US 19900612787 (71) Applicant: INVACARE CORPORATION Elyria, Ohio 44036 (US)	(72) Inventors: LOEWENTHAL, Howard, L. Chesterland, OH 44026 (US) CURRAN, Neal, J. Lakewood, OH 44107 (US) (74) Representative: Powell, Timothy John  D. Young & Co., 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)