Lens barrel, camera and portable information terminal apparatus

Details Lens barrel, camera and portable information terminal apparatus Lens barrel, camera and portable information terminal apparatus

2006-10-20

2008-10-07

Thompson, Timothy J (Department: 2873)

Optical: systems and elements

Lens

With support

C359S822000, C359S826000

Reexamination Certificate

active

07433137

ABSTRACT:
A lens barrel includes a) a plurality of lens groups each having at least one lens, b) a plurality of lens retaining frames, including a retractable lens retaining frame, c) lens retaining frame driving devices, d) a main-guide shaft member in parallel to the optical axis to support the retractable lens retaining frame rotatably in longitudinal and circumferential directions of the main-guide shaft member, and e) a sub-guide shaft member to guide the retractable lens retaining frame along the optical axis and to allow the retractable lens retaining frame to be retracted toward the retracted position at a retracting point on the main-guide shaft member and to guide the retractable lens retaining frame on the main-guide shaft member along the optical axis at other than the retracting point. The retractable lens retaining frame is formed with an engaging portion to engage with the sub-guide shaft member and to be guided along the sub-guide shaft member, and the engaging portion being formed with an opened portion configured to allow the retractable lens retaining frame to be released from the sub-guide shaft member at the retracting point.

REFERENCES:
patent: 7133224 (2006-11-01), Irisawa
patent: 2003-149723 (2003-05-01), None
patent: 2003-315861 (2003-11-01), None

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