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:
Feb. 04, 2003
Filed:
Feb. 28, 2001
Applicant:
Inventor:
Atsushi Denpo, Saitama-ken, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/514 ; G02B 7/02 ; G02B 2/700 ;
U.S. Cl.
CPC ...
G02B 1/514 ; G02B 7/02 ; G02B 2/700 ;
Abstract
An eyepiece attachment structure for attaching an eyepiece to an observation optical instrument is provided with an attaching sleeve protruding from the eyepiece, a holding member secured to the body, the holding member frictionally holding the attaching sleeve when the attaching sleeve is inserted in the observation optical instrument, and a rotation preventing mechanism that mechanically prevents rotation of the attaching sleeve relative to the holding device when the attaching sleeve is inserted into the observation optical instrument.