(19)

(11)

EP 0 265 515 A1

(12)

(43) Date of publication: 04.05.1988 Bulletin 1988/18 (21) Application number: 87903570.0 (22) Date of filing: 04.05.1987

(51) International Patent Classification (IPC):  F16D 55/ 38( . ) F16D 65/ 12( . ) F16D 65/ 00( . ) F16D 55/ 00( . ) (86) International application number: PCT/US1987/001042 (87) International publication number: WO 1987/006985 (19.11.1987 Gazette 1987/25)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 05.05.1986 US 19860859472 (71) Applicant: AUSTOFT INC. (U.S.A.) Minneapolis, MN 55402 (US)	(72) Inventors: KANENGIETER, Glenn, G. Owatonna, MN 55060 (US) STOMBERG, David, E. Fairbault, MN 55021 (US)