Precision Z-axis mount for a lens assembly in an optical...

Details Precision Z-axis mount for a lens assembly in an optical... Precision Z-axis mount for a lens assembly in an optical...

2005-09-27

2005-09-27

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Lens

With support

C359S821000

Reexamination Certificate

active

06950249

ABSTRACT:
A Z-axis assembly for an optical inspection apparatus, comprises a base; first and second parallel rails secured to the base; a plurality of carriages supported by ball bearings for translatory movement parallel to the Z-axis on each of the first and second rails; the carriages having a line of travel through the ball bearings in contact with their respective rails; a support structure secured to the carriages; and a lens assembly secured to the support structure such to be movable parallel to the Z-axis, the lens assembly including an optical axis parallel to the Z-axis and the lines of travel, and optical axis and the lines of travel lie on a common plane.

REFERENCES:
patent: 5668665 (1997-09-01), Choate
patent: 5828502 (1998-10-01), Afshari
Yabe, Shiroji, “Development of NSK Linear Guides”, Motion & Control No. 5 -1998, pp. 9-18.

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