发明授权
US06170119B2 Method and apparatus for reducing the size of elongate particulate material in a vacuum cleaner head 有权
用于减小真空吸尘器头部中细长颗粒材料尺寸的方法和装置

  • 专利标题: Method and apparatus for reducing the size of elongate particulate material in a vacuum cleaner head
  • 专利标题(中): 用于减小真空吸尘器头部中细长颗粒材料尺寸的方法和装置
  • 申请号: US09322988
    申请日: 1999-06-01
  • 公开(公告)号: US06170119B2
    公开(公告)日: 2001-01-09
  • 发明人: Wayne Ernest ConradScott Hamilton
  • 申请人: Wayne Ernest ConradScott Hamilton
  • 主分类号: A47L900
  • IPC分类号: A47L900
Method and apparatus for reducing the size of elongate particulate material in a vacuum cleaner head
摘要:
A vacuum cleaner head is provided with cutting elements positioned in the air flow path of the vacuum cleaner head to reduce the size of elongate particulate material entering the dirty air inlet.
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