(19)
(11) EP 2 302 629 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:
30.09.2015 Bulletin 2015/40

(45) Mention of the grant of the patent:
24.06.2015 Bulletin 2015/26

(21) Application number: 10251624.2

(22) Date of filing: 21.09.2010
(51) International Patent Classification (IPC): 
G11B 17/028(2006.01)
G11B 17/32(2006.01)
 G11B 17/056(2006.01)

(54)

Disk clamping mechanism and disk drive system

Plattenklemmmechanismus und Plattenlaufwerksystem

Mécanisme de maintien de disque et système de lecteur de disque

(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 SE SI SK SM TR

(30) Priority: 24.09.2009 JP 2009219038
24.09.2009 JP 2009219051

(43) Date of publication of application:
30.03.2011 Bulletin 2011/13

(73) Proprietors:
  • Ricoh Company, Ltd.
    Tokyo 143-8555 (JP)
  • Chotaro Engineering Co.
    Sakado-shi, Saitama 350-0214 (JP)

(72) Inventors:
  • Onagi, Nobuaki
    Tokyo 143-8555 (JP)
  • Aman, Yasutomo
    Tokyo 143-8555 (JP)
  • Tokumaru, Haruki
    Tokyo 157-8510 (JP)
  • Takano, Yoshimichi
    Tokyo 157-8510 (JP)
  • Koide, Daiichi
    Tokyo 157-8510 (JP)
  • Kajiyama, Takeshi
    Tokyo 157-8510 (JP)
  • Nishida, Masami
    Sakado-shi, Saitama 350-0214 (JP)

(74) Representative: White, Duncan Rohan et al
Marks & Clerk LLP Fletcher House (2nd Floor) Heatley Road The Oxford Science Park
Oxford OX4 4GE
Oxford OX4 4GE (GB)


(56) References cited: : 
EP-A2- 1 998 327
JP-A- 2006 107 698
JP-A- 2008 159 118
US-A1- 2002 009 036
 WO-A1-2009/116333
JP-A- 2007 287 243
JP-A- 2009 176 333
US-A1- 2007 130 578
   
       
    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).