| 摘要 |
An automatic sash lock is disclosed having a housing with a top surface and a bottom surface and one or more side surfaces extending from said top surface. The housing has a front face at least a portion of which is open to the interior of the housing. The housing has a tongue movably secured thereto. The tongue has a retracted position and an extended position wherein the tongue extends from the open area of the front face of the housing. The tongue moves from a retracted position to an extended position when a portion of said housing contacts a keeper.
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