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, 1995
Filed:
Feb. 28, 1995
Applicant:
Inventor:
Katsumori Kikuchi, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354287 ; 359611 ;
Abstract
An apparatus for detachably attaching an accessory to a lens barrel, wherein the front end of the lens barrel and the accessory are provided with engaging members which are engaged and disengaged only when a predetermined angular relationship between the lens barrel and the accessory is met. The accessory is provided with at least one roller which is rotatably supported by a shaft extending parallel to an optical axis of the lens barrel. At least one abutting surface is provided on the front end of the lens barrel, and comes into contact with the roller or rollers of the accessory during rotation of the accessory while in contact with the lens barrel.