发明申请
US20090145619A1 PERCUSSION MECHANISM FOR A REPETITIVELY HAMMERING HAND POWER TOOL 失效
重复使用手电动工具的优势机制

  • 专利标题: PERCUSSION MECHANISM FOR A REPETITIVELY HAMMERING HAND POWER TOOL
  • 专利标题(中): 重复使用手电动工具的优势机制
  • 申请号: US12372305
    申请日: 2009-02-17
  • 公开(公告)号: US20090145619A1
    公开(公告)日: 2009-06-11
  • 发明人: Gerhard MeixnerJuergen Lennartz
  • 申请人: Gerhard MeixnerJuergen Lennartz
  • 优先权: DE10359572.4 20031218
  • 主分类号: B25D16/00
  • IPC分类号: B25D16/00
PERCUSSION MECHANISM FOR A REPETITIVELY HAMMERING HAND POWER TOOL
摘要:
A percussion mechanism for a repetitively hammering hand power tool in the form of a rotary hammer has a striker movable axially forward and backward in a guide barrel and imparting impacts directly and without any intermediate parts to an end section of a tool bit that is insertable into the hand power tool, a device that exerts pressure on the striker, by which the striker is capable of being set into a forward motion in the direction of the tool bit, a blocking element, with which the striker is blockable in its forward motion, and the striking frequency of the striker is adjustable by controlling the blocking time of the blocking element, so that the striking frequency of the striker depends on how long the blocking element blocks the forward motion of the striker.
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