Internal and external measuring device

Details Internal and external measuring device Internal and external measuring device

2007-06-27

2008-10-21

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

Dimension

Cavities

C356S241100

Reexamination Certificate

active

07440120

ABSTRACT:
A measuring device for measuring internal or external dimensions of a manufactured or machined component is provided with a laser source, a beam redirection member, and a beam receptor. The beam redirection member is adapted to be positioned within an internal bore of a subject component. The laser source directs a beam downwardly to be intercepted by the beam redirection member. The beam exits the beam redirection member at approximately 90° from its original direction to strike a target area along the internal bore of the subject component. The beam is reflected back to the beam redirection member, which directs it at an upward angle to be received by the beam receptor. The beam receptor transmits the data to a control system, which calculates the dimension of the target area. Also provided are methods for optimizing the accuracy of measurements taken by the measuring device.

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