Lens assembly and imaging apparatus

Details Lens assembly and imaging apparatus Lens assembly and imaging apparatus

2011-02-22

2011-02-22

Perkey, W. B. (Department: 2862)

Photography

Underwater, waterproof, or water-resistant camera

C396S529000

Reexamination Certificate

active

07894714

ABSTRACT:
Taking lenses11—4, 11—3, and11—2are housed in a lens frame12. Then, the O-ring13is fitted into a groove11—1aprovided on the periphery of the taking lens11—1, and the taking lens11—1is housed in the lens frame12. Subsequently, an anterior surface14bof a lens holder14in a screwing direction (directions of arrows P and P′) comes into contact with a wall surface12bof the lens frame12. Then, the lens holder14is gradually screwed into the lens frame12. Thereby, a deformable portion12cof the lens frame12on an O-ring13side of the wall surface12bis deformed in such a direction (directions of arrows Q and Q′) as to press the O-ring13.

REFERENCES:
patent: 3640424 (1972-02-01), Ando
patent: 5212509 (1993-05-01), Kosako et al.
patent: 6507700 (2003-01-01), Takekuma et al.
patent: 7660057 (2010-02-01), Sasaki et al.
patent: 7751136 (2010-07-01), Sasaki
patent: 7791828 (2010-09-01), Sasaki
patent: 2002-90603 (2002-03-01), None

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