Back to results
US 2017/0246733 A1Published application
Bit puller
AssigneeThe Boeing Company
InventorKareem Gamal Shehab
Life of this patent
Estimating the term…
Abstract
A bit puller incorporates an inner element with a longitudinal axis and having a central shaft, a base with external threads and an engagement mechanism internal to the inner element adapted to engage a drill bit. An outer element is concentric with the inner element and has a foot portion for engaging a work piece. Internal threads in the outer element are adapted to engage the external threads of the base wherein rotation of the inner element with respect to the outer element withdraws the inner element along the longitudinal axis.
Claims18
A bit puller comprising:
- an inner element with a longitudinal axis and having
- a central shaft,
- a base, said base having external threads, and,
- an engagement mechanism internal to the inner element adapted to engage a drill bit;
- an outer element concentric with the inner element and having
- a foot portion for engaging a work piece, and
- internal threads adapted to engage the external threads of the base wherein rotation of said inner element with respect to the outer element withdraws the inner element along the longitudinal axis.
4 more elements
A method for extraction of a drill bit comprising:
- engaging a drill bit in an attachment mechanism internal to an inner element;
- receiving an outer element having internal threads on external threads on the inner element;
- rotating the inner element with respect to the outer element urging a foot portion of the outer element into contact with a workpiece;
- withdrawing the inner element on a longitudinal axis thereby extracting the drill bit.
1 more element
Dependencies are inferred from the claim text.