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. 28, 1984
Filed:
Feb. 17, 1982
Mitsuo Chikano, Fussa, JP;
Hoya Corporation, Tokyo, JP;
Abstract
A camera lens shade made of a flexible material and having the shape approximately of a hollow cylinder. One open end of the lens shade faces the object to be photographed, while the other open end thereof has means for engagement with a shade support which, in turn, is adapted to engage with a camera, an interchangeable lens or a filter holder. The cylindrical part of the lens shade has a plurality of annular thin hinge sections at any of which the cylindrical portion can be folded. The cylindrical part can be folded at any or all of the hinge sections according to the focal length and the angle of view of the camera lens system used, so as to prevent unwanted light from entering the camera.