Anti-effraction safety system for door and window frames
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United States of America Patent
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Sep 1, 2009
Grant Date -
May 7, 2009
app pub date -
Mar 10, 2008
filing date -
Nov 5, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An anti-effraction safety system for a door or window frame comprising a fixed frame and a mobile frame, in which the mobile frame comprises at least one sectional element with a longitudinal groove with two undercut portions set on opposite sides of a longitudinal central opening and in which at least one transmission rod slidably engages said groove and can be displaced in a longitudinal direction by means of a control handle. Fixed to the transmission rod is at least one closing element co-operating with a complementary detent fixed to the fixed frame. The transmission rod has two through openings both open on respective longitudinal edges of the rod. The closing element comprises two separate complementary parts fixed to one another, in which each of said separate parts engages a respective through opening of the transmission rod and has a respective tenon that slidably engages in a longitudinal direction a respective undercut portion of the groove.
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