The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 1999
Filed:
Jan. 08, 1992
Applicant:
Inventor:
John Coffin, Blue Mounds, WI (US);
Assignee:
Nicolet Instrument Corporation, Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
356346 ;
Abstract
A bearing for allowing the movement of a movable mirror in a Michelson interferometer includes a stationary hollow glass cylinder and a movable assembly which includes the movable mirror and at least one graphite member, the graphite member being slidably disposed within the bore of the glass cylinder. Preferably, there is an anti-rotation system for the movable assembly which includes a post coupled with the movable assembly, a magnet mounted on one end of the post and a stationary guide rail positioned substantially parallel to the axis of rotation of the movable assembly and at a predetermined radial distance from the movable assembly.