Invention Grant
- Patent Title: Open-faced rod spinner
- Patent Title (中): 露面杆旋转器
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Application No.: US12464707Application Date: 2009-05-12
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Publication No.: US08006590B2Publication Date: 2011-08-30
- Inventor: Trevor Lyndon Light , Emil Kolev , Michael Andreas Kontou
- Applicant: Trevor Lyndon Light , Emil Kolev , Michael Andreas Kontou
- Applicant Address: US UT South Jordan
- Assignee: Longyear TM, Inc.
- Current Assignee: Longyear TM, Inc.
- Current Assignee Address: US UT South Jordan
- Agency: Workman Nydegger
- Main IPC: E21B19/00
- IPC: E21B19/00 ; E21B19/16

Abstract:
An open-faced rod-spinning device configured for making and/or breaking joints between threaded drill rods. The rod-spinning device may include a drive gear with an open face. The drive gear may also be coupled to a plurality of drive pins. The rod-spinning device may include a carriage assembly including an open face for receiving and rotating about a drill rod. The carriage assembly may include a plurality of gripping lobes configured to be engaged and rotated by the drive pins about pivot pins. The drive gear may be configured to rotate relative to the carriage assembly to cause the drive pins to engage and rotate the gripping lobes.
Public/Granted literature
- US20090277308A1 OPEN-FACED ROD SPINNER Public/Granted day:2009-11-12
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