(19)
(11) EP 0 120 930 A1

(12)

(43) Date of publication:
10.10.1984 Bulletin 1984/41

(21) Application number: 83903336.0

(22) Date of filing: 27.09.1983
(51) International Patent Classification (IPC): 
E01H 1/ 04( . )
E01H 1/ 05( . )
(86) International application number:
PCT/US1983/001489
(87) International publication number:
WO 1984/001398 (12.04.1984 Gazette 1984/10)
(84) Designated Contracting States:
BE CH DE FR GB LI NL

(30) Priority: 30.09.1982 US 19820431947

(71) Applicant: FMC CORPORATION
Chicago Illinois 60601 (US)

(72) Inventor:
  • KASSAI, Denes, Paul
    Chino, CA (US)

(74) Representative: Bardehle, Heinz, Dipl.-Ing., et al 
Patent- und Rechtsanwälte Bardehle-Pagenberg-Dost-Altenburg & Partner Postfach 86 06 20
D-8000 München 86
D-8000 München 86 (DE)

   


(54) SWEEPER WITH HYDRAULICALLY DRIVEN COMPONENTS