Patent ID: 7090177

Claim:
An optics deck for supporting an optical system comprising: a planar member having a linear scanline slot; three vertically adjustable leveler assemblies located at three apexes of a triangle which enclose the slot and which has sides which establish axes about which vertical adjustment of the leveler assemblies is carried out to bring the bottom surface of the planar member parallel to and at a known height from a known planar surface; means for mounting said leveler assemblies on said planar member such that said planar member can be translated in three degrees of freedom relative to said leveler assemblies without changing the vertical adjustment of said leveler assemblies, said means for mounting including three oversize holes in said planar member in which said three leveler assemblies are installed; and wherein each of said leveler assemblies include a vertically adjustable leveler, a leveler mount, a leveler mount holder and means for fixedly securing said holder to said planar member.