(19)

(11)

EP 0 138 984 A1

(12)

(43) Date of publication: 02.05.1985 Bulletin 1985/18 (21) Application number: 84901651.0 (22) Date of filing: 05.04.1984

(51) International Patent Classification (IPC):  F02B 39/ 00( . ) F16C 21/ 00( . ) (86) International application number: PCT/US1984/000439 (87) International publication number: WO 1984/004141 (25.10.1984 Gazette 1984/25)

(84) Designated Contracting States: FR (30) Priority: 11.04.1983 US 19830483599 (71) Applicant: WOOLLENWEBER, William E. Indianapolis Indiana 46268 (US)	(72) Inventor: WOOLLENWEBER, William E. Indianapolis Indiana 46268 (US) (74) Representative: Abbie, Andrew Kenneth  A.A. THORNTON & CO. Northumberland House 303/306 High Holborn London, WC1V 7LE London, WC1V 7LE (GB)