Invention Grant
US08393800B2 Needle roller bearing and crankshaft support structure 有权
滚针轴承和曲轴支撑结构

  • Patent Title: Needle roller bearing and crankshaft support structure
  • Patent Title (中): 滚针轴承和曲轴支撑结构
  • Application No.: US12667388
    Application Date: 2008-06-03
  • Publication No.: US08393800B2
    Publication Date: 2013-03-12
  • Inventor: Katsufumi AbeAkihiko Katayama
  • Applicant: Katsufumi AbeAkihiko Katayama
  • Applicant Address: JP Osaka
  • Assignee: NTN Corporation
  • Current Assignee: NTN Corporation
  • Current Assignee Address: JP Osaka
  • Agency: Clark & Brody
  • Priority: JP2007-175319 20070703; JP2007-175320 20070703
  • International Application: PCT/JP2008/060202 WO 20080603
  • International Announcement: WO2009/004884 WO 20090108
  • Main IPC: F16C33/58
  • IPC: F16C33/58 F16C9/00
Needle roller bearing and crankshaft support structure
Abstract:
Needle roller bearing includes an outer ring having first outer ring member having center angle larger than 180° and second outer ring member having center angle smaller than 180°, needle rollers, a retainer having ring section pairs and column sections arranged between the pair of ring sections, d
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