| (84) |
Designated Contracting States: |
|
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
| (30) |
Priority: |
14.10.2010 JP 2010231080
|
| (43) |
Date of publication of application: |
|
21.08.2013 Bulletin 2013/34 |
| (73) |
Proprietor: Hitachi Construction Machinery Co., Ltd. |
|
Taito-ku,
Tokyo 110-0015 (JP) |
|
| (72) |
Inventors: |
|
- IMURA Shinya
Tokyo 100-8220 (JP)
- ISHIDA Seiji
Hitachi-shi
Ibaraki 319-1292 (JP)
- ISHIKAWA Kouji
Tsuchiura-shi
Ibaraki 300-0013 (JP)
- KAJITA Yusuke
Tsuchiura-shi
Ibaraki 300-0013 (JP)
- SATAKE Hidetoshi
deceased (JP)
- OOKI Takatoshi
Tsuchiura-shi
Ibaraki 300-0013 (JP)
- EDAMURA Manabu
Tsuchiura-shi
Ibaraki 300-0013 (JP)
|
| (74) |
Representative: Beetz & Partner mbB |
|
Patentanwälte
Steinsdorfstraße 10 80538 München 80538 München (DE) |
| (56) |
References cited: :
EP-A1- 1 813 728 JP-A- 2007 132 094 JP-A- 2008 291 522 US-A- 6 052 636
|
JP-A- 2004 360 216 JP-A- 2008 063 888 JP-A- 2010 065 510
|
|
| |
|
|
|
|