Method of assembling a drill bit with a jack element

Metal tools and implements – making – Blank or process – Drill

Reexamination Certificate

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Details

C076S108100

Reexamination Certificate

active

07954401

ABSTRACT:
A method of assembling a drill bit with a jack element that includes obtaining a bit body intermediate a shank and a working face, with the working face including a plurality of blades having of at least one cutting element and a receptacle formed proximate a center of the working face. The method further includes attaching a pocket having a central hollow within the receptacle, and securing the jack element within the central hollow with a press fit such that the centerline of the jack element is substantially coaxial with the axis of rotation of the drill bit.

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