(19)

(11)

EP 0 852 677 A1

(12)

(43) Date of publication: 15.07.1998 Bulletin 1998/29 (21) Application number: 97933440.0 (22) Date of filing: 10.07.1997

(51) International Patent Classification (IPC):  F16C 33/ 72( . ) F16C 35/ 02( . ) F16C 33/ 76( . ) (86) International application number: PCT/US1997/012246 (87) International publication number: WO 1998/002669 (22.01.1998 Gazette 1998/03)

(84) Designated Contracting States: BE DE ES FR GB IT NL SE (30) Priority: 12.07.1996 US 19960680293 (71) Applicant: INPRO COMPANIES, INC. Rock Island, IL 61204-3940 (US)	(72) Inventor: ORLOWSKI, David, C. Milan, IL 61264 (US) (74) Representative: Holmes, Matthew Peter, et al  MARKS & CLERK, Sussex House, 83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)