Invention Grant
- Patent Title: Drill bit for a percussive hammer and shank therefore
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Application No.: US14371017Application Date: 2012-12-07
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Publication No.: US09719306B2Publication Date: 2017-08-01
- Inventor: Conny Seppala , Tomas Sh Jansson
- Applicant: SANDVIK INTELLECTUAL PROPERTY AB
- Applicant Address: SE Sandviken
- Assignee: SANDVIK INTELLECTUAL PROPERTY AB
- Current Assignee: SANDVIK INTELLECTUAL PROPERTY AB
- Current Assignee Address: SE Sandviken
- Agent Corinne R. Gorski
- Priority: EP12150466 20120109
- International Application: PCT/EP2012/074791 WO 20121207
- International Announcement: WO2013/104470 WO 20130718
- Main IPC: E21B10/36
- IPC: E21B10/36 ; E21B17/07
Abstract:
A bit for a percussive hammer includes an elongated shank, a head at a first end of the shank, and an array of lengthwise extending spline portions defining outwardly extending retention lugs at or toward a further end of the shank. At least a side face of at least one lug is blended into the shank of the bit.
Public/Granted literature
- US20140345953A1 A DRILL BIT FOR A PERCUSSIVE HAMMER AND SHANK THEREFORE Public/Granted day:2014-11-27
Information query
