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. 24, 1998
Filed:
Jun. 07, 1996
Applicant:
Inventors:
Hitoshi Imanari, Yokohama, JP;
Nobuyoshi Nasu, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425571 ; 2643238 ; 359234 ; 354228 ; 354250 ; 354274 ; 354254 ;
Abstract
A diaphragm blade for a diaphragm-blade assembly having a plurality of diaphragm blades forming an opening of a diaphragm. The diaphragm blades cooperatively move to change the diameter of the opening of the diaphragm. Each diaphragm blade has a thin blade sheet and a pair of protruding engage members formed on the blade sheet. Each diaphragm blade is integrally formed with the protruding engage members by injection molding synthetic resin.