Invention Grant
- Patent Title: System and method for leg retention on hybrid bits
- Patent Title (中): 在混合位上保留腿的系统和方法
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Application No.: US14665403Application Date: 2015-03-23
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Publication No.: US09476259B2Publication Date: 2016-10-25
- Inventor: Gregory L. Ricks , Floyd C. Felderhoff , Rudolf C. Pessier
- Applicant: BAKER HUGHES INCORPORATED
- Applicant Address: US TX Houston
- Assignee: BAKER HUGHES INCORPORATED
- Current Assignee: BAKER HUGHES INCORPORATED
- Current Assignee Address: US TX Houston
- Agency: Sutton McAughan Deaver PLLC
- Main IPC: E21B10/62
- IPC: E21B10/62 ; E21B10/14 ; E21B10/20

Abstract:
An earth boring drill bit comprising: one or more legs; a bit body having a blade and a slot for receiving the leg; and one or more wedge between the leg and the slot fixing the leg within the slot. The slot may have two parallel sidewalls with one of the sidewalls forming an acute angle and the other forming an obtuse angle. The wedge may be secured immediately next to the obtuse angled sidewall. The wedge may have two obtuse angled sides. One or more bolts through each wedge may secure both the wedge and the leg to the bit body. One of the obtuse angled sidewalls of the wedge may be secured immediately next to an acute angled side of the leg.
Public/Granted literature
- US20150197992A1 SYSTEM AND METHOD FOR LEG RETENTION ON HYBRID BITS Public/Granted day:2015-07-16
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