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:
Aug. 12, 1997
Filed:
Jan. 02, 1996
Applicant:
Inventors:
Hitoshi Imanari, Yokohama, JP;
Osamu Nitoube, Tokyo, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359825 ; 359826 ;
Abstract
A working force quantity imparting member disposed between a fixed member and an operation member moving relative to the fixed member imparts a working force quantity to the operation member. This working force imparting member includes an elastic portion, fixed to one of the fixed member and the operation member, for biasing both of the fixed member and the operation member in such directions to get away from each other and a thin-film portion formed on a surface, contiguous to the other member, of the elastic portion and exhibiting a high slidableness.