LED lamp capable of adjusting a beam spread thereof
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United States of America Patent
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Mar 12, 2013
Grant Date -
Jun 14, 2012
app pub date -
Dec 21, 2010
filing date -
Dec 9, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An LED lamp capable of adjusting a beam spread thereof mainly comprises an adjusting module disposed between a seated body and a cover unit. The adjusting module includes a holder connecting to the seated body, a motivating member traveling within an aperture of the cover unit, an engaging member propping the motivating member against the holder, and a lens disposed on the engaging member. Thereby, rotating the motivating member triggers the engaging member to either move protrudently outward or draw back inward with respect to the cover unit. Accordingly, a beam angle of LED members disposed on a circuit unit of the lamp holder is able to be increasingly condensed or spread, then promoting the luminaire efficiency of the present invention.
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