Lens device
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United States of America Patent
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-
Sep 10, 2013
Grant Date -
Apr 4, 2013
app pub date -
Aug 14, 2012
filing date -
Oct 3, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lens device includes a main body unit, a guiding shaft unit, a lens unit, a focus adjusting unit and a resilient component. The guiding shaft unit includes three parallel guiding shafts disposed in the main body unit. The lens unit includes a lens frame disposed in the main body unit and having three guiding portions that receive slidably and respectively the guiding shafts, and a lens mounted co-movably in the lens frame. The focus adjusting unit is disposed in the main body unit and includes a driven member abutting against the lens frame and driven by a driving member for driving the lens unit to slide along the guiding shafts. The resilient component is disposed for biasing resiliently the lens frame toward the driven member.
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