Patent ID: 8596938

Claim:
A material removal tool, comprising: a housing body; a piston head in an actuating chamber internal to the housing body; a translating bar; and at least one radially pivotable arm, the arm including at least one seating pocket, wherein the translating bar includes a first end operably connected to the piston head to axially translate between a first position and a second position when the piston head translates, wherein the translating bar includes a second end operably connected to the at least one radially pivotable arm by a mechanical linkage, wherein the mechanical linkage includes a mechanical link connecting the translating bar to the at least one radially pivotable arm, the translating bar connected to the mechanical link at one pivot point and the at least one radially pivotable arm connected to the mechanical link at another pivot point, wherein the housing body is divided into a mounting portion and an active portion, the mounting portion including a connector at a mating end and the active portion including the at least one radially pivotable arm and having a first active volume, wherein in the first position, the radially outermost edge of the seating pocket is radially inward from the first active volume, wherein in the second position, the radially outermost portion of the arm is the radially outermost edge of the seating pocket and is radially outward from the first active volume, and wherein in the second position, the axially rearmost portion of the arm is the axially rearmost edge of the seating pocket.