(19)

(11)

EP 0 395 727 A1

(12)

(43) Date of publication: 07.11.1990 Bulletin 1990/45 (21) Application number: 89901830.0 (22) Date of filing: 27.12.1988

(51) International Patent Classification (IPC):  F16F 15/ 12( . ) F16D 3/ 12( . ) F16D 3/ 80( . ) F16H 55/ 14( . ) F16D 3/ 02( . ) F16D 3/ 66( . ) F16F 15/ 134( . ) F16H 57/ 12( . ) (86) International application number: PCT/US1988/004647 (87) International publication number: WO 1990/004727 (03.05.1990 Gazette 1990/10)

(84) Designated Contracting States: BE DE FR GB (30) Priority: 19.10.1988 US 19880260426 (71) Applicant: CATERPILLAR INC. Peoria, IL 61629-6490 (US)	(72) Inventors: KRIKKE, Roger, D. Peoria, IL 61614 (US) BALLHEIMER, Benny (NMI) Peoria, IL 61615 (US) JONES, Nelson, A. Peoria, IL 61605 (US) STONE, Dwight, V. East Peoria, IL 61611 (US) (74) Representative: Wagner, Karl H.  WAGNER & GEYER Patentanwälte Gewuerzmuehlstrasse 5 D-80538 München D-80538 München (DE)