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:
Sep. 01, 2009
Filed:
Oct. 16, 2008
Applicant:
Katsushi Kato, Kawasaki, JP;
Inventor:
Katsushi Kato, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 5/16 (2006.01); H01J 31/49 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cover is elastically supported on a frame by elastic members. Engaging members are provided between the frame and the cover, and the cover is fixed to the frame by the engaging members as necessary. In the first state in which the movement of the cover is not restricted, the cover is movable with respect to the frame. In the second state, the cover is engaged with the frame and is fixed.