Hinge for door or window, the leaf frame of which is partially overlapping the sash-frame
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United States of America Patent
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-
Dec 17, 1991
Grant Date -
N/A
app pub date -
May 21, 1990
filing date -
Jun 2, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Hinge for a door, window or the like, the sash of which is partially overlapping the sash-frame and outwardly tiltable about a horizontal spindle located at the height of its upper rail including a) hinged lower compass arms imparting to the sash, at the very beginning of its opening, a path with vertical components, b) and upper hinge elements capable of simultaneously outwardly projecting the upper rail of the sash during the substantially vertical movement thereof. The hinge includes an assistance mechanism to push back, vertically and upwards, the sash at the end of closing, and to simultaneously position and center the sash with respect to the sash-frame.
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