Retracting mechanism of a retractable lens

Photography – Folding or collapsible camera – Having axially moving lens

Reexamination Certificate

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Details

C396S529000, C359S703000, C359S830000

Reexamination Certificate

active

07025512

ABSTRACT:
A retracting mechanism of a retractable lens includes an external barrel movable in an optical axis direction, an adjustment ring positioned in said external barrel and configured to be guided linearly in the optical axis direction without rotating, a stopper configured to set a rear movement limit of said adjustment ring with respect to said external barrel, a lens frame configured to hold a lens group, said lens frame configured to be screwed into said adjustment ring, a fixing ring fixed to said external barrel and configured to prevent said adjustment ring coming off said external barrel, and at least one spring positioned between said fixing ring and said adjustment ring and configured to bias said adjustment ring toward the rear movement limit of said adjustment ring with respect to said external barrel.

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