SECURITY LATCH FOR SASHES
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United States of America Patent
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app pub date -
Dec 23, 2016
filing date -
Dec 23, 2016
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Abstract
A security latch for sashes comprises a shell body, a moving piece, an axle and a resilient assembly. An accommodating cavity is formed inside the shell body and opened at a flat side of the shell body, and a first concave surface is formed at a bottom of the accommodating cavity away from the flat side. The moving piece is received in the accommodating cavity and is rotatable around the axle installed in the accommodating cavity. The moving piece comprises an engaging face formed at a side thereof and a second concave surface formed at another side thereof. The resilient assembly is disposed between the first concave surface and the second concave surface to resiliently and movably engage with the first and second concave surfaces. The engaging face emerges out of the accommodating cavity from the flat side for blocking any movement along the flat side.
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