Mirror device of single-lens reflex camera

Details Mirror device of single-lens reflex camera Mirror device of single-lens reflex camera

2008-09-18

2010-11-02

Fuller, Rodney E (Department: 2862)

Photography

Single lens reflex camera

With mirror support or drive

C396S354000

Reexamination Certificate

active

07824114

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.

REFERENCES:
patent: 4320945 (1982-03-01), Kimura
patent: 4431285 (1984-02-01), Kajita et al.
patent: 6169856 (2001-01-01), Sakamoto et al.
patent: 6183142 (2001-02-01), Sakamoto et al.
patent: 7654754 (2010-02-01), Lakey
patent: 06-175223 (1994-06-01), None
patent: 2006-189539 (2006-07-01), None

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