Developable and collapsible shaft deployment mechanism

A method of using a hollow rod developable actuator tool, the method comprising:

• Providing a hollow rod developable actuator tool, the tool comprising:
• a first link comprising an outer cylinder, the outer cylinder comprising:
• a first end having a first aperture;
• a second end having a second aperture,
• a first wall extending between the first end and second end defining an outer circumference of the hollow rod and a central passage therethrough from the first end to the second end;
• and
• a first cavity disposed in the first wall having a first joint mounted therein;
• a deployment ring comprising:
• a second link comprising a first portion of the deployment ring, the first portion comprising:
• a first end pivotably coupled to the first wall of the first link at the first joint;
• a second end having a second joint;
• and
• a body extending between first end and second end;
• a third link comprising a second portion of the deployment ring, the second portion comprising:
• a first end pivotably coupled to the body of the second link at the second joint;
• a second end pivotably connected to a third joint;
• and
• a body extending between the first end and second end;
• a fourth link comprising an inner cylinder disposed within the central passage of the outer cylinder of the first link, the inner cylinder comprising:
• a first end having a first aperture;
• a second end having a second aperture;
• a second wall extending between the first end and the second end defining an inner circumference of the hollow rod and a central passage therethrough from the first end to the second end;
• and
• a second cavity in the second wall having the third joint pivotably coupled to the body of the third link;
• wherein, when the inner cylinder of the fourth link is rotated in relation to the outer cylinder of the first link in such a way that moves the first joint and third joint away from each other along the perimeter of the tool, the actuator tool transitions from a first state wherein the deployment ring is within the first cavity and the second cavity of the respective first wall and second wall to a second state where the deployment ring extends outside the outer circumference of the tool;
• and
• actuating the tool by rotating the inner cylinder of the fourth link in relation to the outer cylinder of the first link in such a way that moves the first joint and third joint away from each other along the perimeter of the tool to transition the tool from a first state to the second state.