Optics: measuring and testing – By dispersed light spectroscopy – With raman type light scattering
Patent
1996-08-02
1998-10-06
McGraw, Vincent P.
Optics: measuring and testing
By dispersed light spectroscopy
With raman type light scattering
372107, G01J 344, G01J 2165, H01S 3086
Patent
active
058185798
ABSTRACT:
A mechanism for aligning the elements of an optical system is disclosed. One aspect of the present invention is an alignment mechanism which includes lead screws placed on opposite corners of the elements to be aligned. The elements are provided with threaded holes of different pitch, and the lead screw is provided with threads of the same unequal pitches as the elements, thereby forming a differential lead screw. The threads include a locking thread which assures a positive lock between the lead screw and the elements to be aligned and eliminates backlash between them. Another aspect of the present invention is an interference fit mechanism which is provided by the employment of a slightly-oversized flexible boss which mates with a cavity. The boss is provided with a thin outer wall capable of flexing when the boss is inserted into the cavity. Yet another aspect of the present invention includes a wobble plate comprising a spherical socket and housing. The housing includes a mounting for an optical element and is rotatable within the socket. Application of an adhesive to the space between the socket and housing secures the relative positions of the socket and housing when the alignment operations have been completed.
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"HeliCoil Thread Repair System", Sales Brochure, publication date unknown.
Beck Kent F.
Owen Charles V.
McGraw Vincent P.
Ohmeda Inc.
Rathbun Roger M.
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