Lens assembly and imaging apparatus

Details Lens assembly and imaging apparatus Lens assembly and imaging apparatus

2009-03-02

2010-02-09

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S819000, C359S830000, C359S512000, C359S513000, C396S025000, C396S027000, C348S081000, C348S207990, C600S109000

Reexamination Certificate

active

07660057

ABSTRACT:
Areas11—1a,being in contact with an O-ring13, of an outer peripheral surface of a taking lens11—1and an area12a, being in contact with the O-ring13, of an inner surface of a lens frame12are formed in taper shapes having slopes with respect to an optical axis of the taking lens11—1in a section taken along a plane including the optical axis. The O-ring13is disposed in contact with the areas11—1aand12a, which are formed in the taper shapes, of both of the outer peripheral surface of the taking lens11—1and the inner surface of the lens frame12. Also, the O-ring13is pressed in directions of arrows P and P′ by the outer peripheral surface of the taking lens11—1and the inner surface of the lens frame12.

REFERENCES:
patent: 5077567 (1991-12-01), Haraguchi et al.
patent: 5894369 (1999-04-01), Akiba et al.
patent: 5898527 (1999-04-01), Sawai et al.
patent: 6266143 (2001-07-01), Peterson et al.
patent: 6507700 (2003-01-01), Takekuma et al.
patent: 2002-90603 (2002-03-01), None

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