| 摘要 |
A window latch for a double hung window includes a housing and a tongue slidably engaged with the housing for moving between a retracted position and an extended position. A pivotable latch pivotably mounted within the housing releasably retains the tongue in the retracted position. As a window sash of the double hung window is lifted, a trigger slidably engaged with the housing pivots the pivotable latch so as to release the tongue from the retracted position.
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