发明授权
US07140685B2 Swivel chair joint 失效
旋转椅子关节

  • 专利标题: Swivel chair joint
  • 专利标题(中): 旋转椅子关节
  • 申请号: US10386314
    申请日: 2003-03-11
  • 公开(公告)号: US07140685B2
    公开(公告)日: 2006-11-28
  • 发明人: Kenneth J. Gardner
  • 申请人: Kenneth J. Gardner
  • 代理商 Michael R. McKenna
  • 主分类号: A47C3/18
  • IPC分类号: A47C3/18
Swivel chair joint
摘要:
A swivel chair joint utilizing a tapered roller bearing assembly to substantially transform the seating load to the tapered roller bearings and thereby reducing frictional resistance to swiveling.
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