Invention Grant
- Patent Title: Hole opener bearing arrangement
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Application No.: US14344448Application Date: 2012-09-14
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Publication No.: US09611698B2Publication Date: 2017-04-04
- Inventor: John P. Maher , Randy R. Runquist
- Applicant: John P. Maher , Randy R. Runquist
- Applicant Address: US IA Pella
- Assignee: Vermeer Manufacturing Company
- Current Assignee: Vermeer Manufacturing Company
- Current Assignee Address: US IA Pella
- Agency: Merchant & Gould P.C.
- International Application: PCT/US2012/055507 WO 20120914
- International Announcement: WO2013/040408 WO 20130321
- Main IPC: E21B10/34
- IPC: E21B10/34 ; E21B10/20 ; E21B10/22 ; E21B10/24 ; E21B10/25 ; E21B10/28 ; B23P6/00
Abstract:
The present disclosure provides a back reamer roller cone that is configured so that the bearings assemblies therein can be relatively easily removed and replaced. Methods of replacing the bearing assemblies in a back reamer are also provided.
Public/Granted literature
- US20140338984A1 HOLE OPENER BEARING ARRANGEMENT Public/Granted day:2014-11-20
Information query
