基本信息:
- 专利标题： DRILL BIT AND REAMER
- 专利标题（中）：位和REIBE
- 申请号：EP08834388.4 申请日：2008-09-25
- 公开(公告)号：EP2205385A1 公开(公告)日：2010-07-14
- 发明人： DOST, Hagen, Walter , MCAULIFFE, Patrick, Michael , IBARRA, Javier , SOCHA, Alexander, Daniel
- 申请人： Robert Bosch GmbH
- 申请人地址： Postfach 30 02 20 70442 Stuttgart DE
- 专利权人： Robert Bosch GmbH
- 当前专利权人： Robert Bosch GmbH
- 当前专利权人地址： Postfach 30 02 20 70442 Stuttgart DE
- 代理机构： Barth, Stephan Manuel
- 优先权： US904175 20070926
- 国际公布： WO2009042793 20090402
- 主分类号： B23B51/00
- IPC分类号： B23B51/00
摘要：
A tool bit providing a combined drill bit and reamer is disclosed herein. The tool bit comprises an axial bit shaft including a bore end and a shank end. At least one helical land portion is provided on the bit shaft. The at least one helical land portion includes a cutting edge and a trailing edge. At least one reamer blade is provided on the helical land portion at the bore end of the bit shaft. The at least one reamer blade includes a substantially axial cutting edge. A tip arrangement is also included on the bore end of the bit shaft. The tip arrangement includes a center blade positioned between peripheral cutting blades.
公开/授权文献:
- EP2205385B1 DRILL BIT AND REAMER 公开/授权日：2017-03-15