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:
Mar. 28, 1995
Filed:
Jul. 05, 1994
Applicant:
Inventor:
Kyoji Nakamura, Yokosuka, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
33292 ; 33299 ; 33705 ;
Abstract
A measuring apparatus having a high water-proof property has water-proof rings rotatably disposed about outer peripheries of a horizontal shaft and a vertical shaft bearing. Gaps between the rings and the peripheries of corresponding openings in a housing are blocked by respective deformable elastic water-proof members which secure the rings to the housing.