(19)
(11) EP 2 107 170 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
25.04.2012 Bulletin 2012/17

(45) Mention of the grant of the patent:
21.03.2012 Bulletin 2012/12

(21) Application number: 09159713.8

(22) Date of filing: 18.01.2000
(51) International Patent Classification (IPC): 
E02F 9/22(2006.01)

(54)

HYDRAULIC DRIVE SYSTEM FOR A CIVIL ENGINEERING OR CONSTRUCTION MACHINE.

HYDRAULISCHE ANTRIEBSANORDNUNG FÜR EINE ZIVILBAU- ODER ERDBEWEGUNGSMASCHINE.

SYSTÈME D'ENTRAINEMENT HYDRAULIQUE POUR UN ENGIN DE GÉNIE CIVIL OU DE CONSTRUCTION.

(84) Designated Contracting States:
DE FR GB IT SE

(30) Priority: 19.01.1999 JP 1083399
14.10.1999 JP 29263799

(43) Date of publication of application:
07.10.2009 Bulletin 2009/41

(62) Application number of the earlier application in accordance with Art. 76 EPC:
00900432.6 / 1178157

(73) Proprietor: Hitachi Construction Machinery Co., Ltd.
Bunkyo-ku Tokyo 112-8563 (JP)

(72) Inventors:
  • Toyooka, Tsukasa
    Higashiibaraki-gun, Ibaraki 311-3413 (JP)
  • Hirata, Toichi
    Ushiku-shi, Ibaraki 300-1233 (JP)
  • Sugiyama, Genroku
    Inashiki-gun, Ibaraki 300-0402 (JP)
  • Ishikawa, Kouji
    Niihari-gun, Ibaraki 315-0052 (JP)
  • Nishimura, Masao
    Tsuchiura-shi, Ibaraki 300-0013 (JP)
  • Nakamura, Tsuyoshi
    Tsuchiura-shi, Ibaraki 300-0013 (JP)

(74) Representative: Hatzmann, Martin 
Vereenigde Johan de Wittlaan 7
2517 JR Den Haag
2517 JR Den Haag (NL)


(56) References cited: : 
EP-A- 0 235 545
EP-A- 0 715 029
JP-A- 2 167 934
JP-A- 5 071 143
JP-A- 10 025 770
JP-A- 11 006 174
 EP-A- 0 393 195
EP-A- 0 819 795
JP-A- 3 144 024
JP-A- 5 187 041
JP-A- 10 102 547
JP-A- 58 149 403
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).