发明授权
US07748470B2 Combination garden tiller and sprinkler head grass trimmer 失效
组合花园耕耘机和洒水头剪草机

  • 专利标题: Combination garden tiller and sprinkler head grass trimmer
  • 专利标题(中): 组合花园耕耘机和洒水头剪草机
  • 申请号: US12074076
    申请日: 2008-02-29
  • 公开(公告)号: US07748470B2
    公开(公告)日: 2010-07-06
  • 发明人: George A. Ortiz
  • 申请人: George A. Ortiz
  • 代理机构: Borton Petrini, LLP
  • 代理商 Jeffrey A. Travis, Esq.
  • 主分类号: A01D43/16
  • IPC分类号: A01D43/16
Combination garden tiller and sprinkler head grass trimmer
摘要:
Apparatus for trimming grass around sprinkler heads or tending a small garden area includes a tubular member having a plurality of serrations formed on one end for cutting grass around such sprinkler heads. A housing member partially disposed for reciprocal movement within the tubular member. A plate disposed for closing one end of housing member and having an outer periphery engageable with an inner surface of such tubular member for guiding during reciprocal movement. A second guide disposed around outer periphery of such housing member intermediate each end thereof. Another elongated rod like member engages an end of such first elongated rod like member. A caged biasing means is disposed over the second rod like member for absorbing shock during use of apparatus and a mechanism for manipulating the apparatus while trimming such grass around such sprinkler head or tending such small garden area.
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