Lens barrel and imaging device with lens barrel

Details Lens barrel and imaging device with lens barrel Lens barrel and imaging device with lens barrel

2011-05-31

2011-05-31

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S824000, C359S826000, C359S694000, C359S696000, C396S055000, C396S072000, C396S079000

Reexamination Certificate

active

07952821

ABSTRACT:
A lens barrel includes a holder, a lens frame, and an elastic member. The holder includes a first guide axis and a second guide axis. The lens frame includes a first guide section which is movably fitted around the first guide axis and a second guide section which is movably fitted around the second guide axis, and retains at least one lens. The elastic member exerts an energizing force on the second guide section and is disposed between the holder and the second guide section. The lens frame moves along the optical axis direction of the lens as the first guide section is guided by the first guide axis. The elastic member energizes the lens frame along the optical axis direction of the lens by exerting an energizing force on the second guide section. The distance from the holder to the second guide section is different from that from the holder to the first guide section.

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Form PCT/ISA/237 for corresponding application No. PCT/JP2008/000285 and a partial English translation.

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