发明授权
US5773729A Overload protected loadcell 失效
过载保护称重传感器

  • 专利标题: Overload protected loadcell
  • 专利标题(中): 过载保护称重传感器
  • 申请号: US718621
    申请日: 1996-09-17
  • 公开(公告)号: US5773729A
    公开(公告)日: 1998-06-30
  • 发明人: Rathindra Nahar
  • 申请人: Rathindra Nahar
  • 申请人地址: OH Dayton
  • 专利权人: NCR Corporation
  • 当前专利权人: NCR Corporation
  • 当前专利权人地址: OH Dayton
  • 主分类号: G01G23/00
  • IPC分类号: G01G23/00 G01L1/00
Overload protected loadcell
摘要:
A loadcell for a weighing scale includes an elongate beam having mounting and free ends spaced apart along a beam axis to define a cantilever. The beam includes an upper surface spaced above the beam axis, and a lower surface spaced below the beam axis. A central aperture extends through the beam to define a plurality of spaced apart necks. The beam lower surface at the free end is spaced closer to the beam axis than at the mounting end to define a step. And, a plurality of strain gages are mounted to the beam adjacent to the necks for measuring strain thereat. Mounted in a scale housing, the beam free end abuts a housing mounting pad for limiting travel of the loadcell and providing overload protection therefor.
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