Measurement probe edge guide tool

A tool comprising:

• a cage comprising an upper ring, a lower ring, and a plurality of beams connecting the upper ring to the lower ring;
• a socket ring affixed to the cage and comprising a plurality of sockets;
• a plurality of balls respectively arranged in the plurality of sockets and protruding below a plane of a bottom surface of the socket ring;
• a measurement probe having a contact portion;
• a plunger/retainer subassembly that retains the measurement probe in a central position relative to the cage, the plunger/retainer subassembly being upwardly displaceable relative to the cage from a starting position at which the contact portion of the measurement probe projects downward and lower than the cage;
• a rolling-element bearing comprising inner and outer races and a plurality of rolling elements contained by the inner and outer races, the inner and outer races being disposed between the measurement probe and the lower ring of the cage, the outer race being fixed, and the inner race being rotatable relative to the cage;
• and
• first and second edge contact pins that are connected to and project downward from the inner race.

A tool comprising:

• a cage comprising an upper ring, a lower ring, and a plurality of beams connecting the upper ring to the lower ring;
• a socket ring affixed to the cage and comprising a plurality of sockets;
• a plurality of balls respectively arranged in the plurality of sockets and protruding below a plane of a bottom surface of the socket ring;
• a measurement probe having a contact portion;
• and
• a plunger/retainer subassembly that retains the measurement probe in a central position relative to the cage, the plunger/retainer subassembly being displaceable relative to the cage from a starting position at which the contact portion of the measurement probe projects downward and lower than the cage.