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.:

US 7824114 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 02, 2010

Filed:

Sep. 18, 2008
Applicant:

Shigeru Iwase, Akishima, JP;

Inventor:

Shigeru Iwase, Akishima, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B 19/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

The mirror device of a single-lens reflex camera according to the present invention includes a main mirror section having a reflecting mirror surface that moves to a first position for reflecting an object beam to an observation optical system and to a second position retracted from the object beam, a sub-mirror section having a reflecting mirror surface located, in conjunction with movement of the main mirror section, at a position apart from the main mirror section when the main mirror section is located at the first position and at a position retracted from the object beam together with the main mirror section when the main mirror section is located at the second position, and a cushioning section interposed between the sub-mirror section and the main mirror section when the main mirror section moves from the first position to the second position.


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