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:
Oct. 24, 2006
Filed:
Mar. 02, 2005
Applicant:
Mitsuo Yamamoto, Yokohama, JP;
Inventor:
Mitsuo Yamamoto, Yokohama, JP;
Assignees:
Nikon Vision Co., Ltd., Tokyo, JP;
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 21/00 (2006.01); G02B 23/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
An eyepiece member comprises an eye cup provided on the outer circumference of an eyepiece barrel that holds an eyepiece lens, the eye cup being movable relative to the eyepiece barrel along the direction of the optical axis of the eyepiece lens, and a positioning members for the eye cup provided on at least one of a portion of the eyepiece barrel and a portion of the eye cup that are opposed to each other, intervals of the positioning members being relatively smaller in the eye cup pull-out side in which the eye cup is pulled toward the user when used than in the eye cup push-in side.