UPWARDLY PIVOTED WINDOW WITH SPRING BIASED SASH

A window includes a sash which is pivotally connected at a top end by a top pivot to a perimeter frame so that a bottom end of the sash is pivotal upwardly through an arc of approximately 90 degrees from a closed position to an open position of the window. A linkage arm is pivotally coupled at a fir...

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Bibliographische Detailangaben
Hauptverfasser:	RAMER, PHILIP J, MARYKUCA, EVAN, MARYKUCA, MICHAEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS
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Beschreibung
Zusammenfassung:	A window includes a sash which is pivotally connected at a top end by a top pivot to a perimeter frame so that a bottom end of the sash is pivotal upwardly through an arc of approximately 90 degrees from a closed position to an open position of the window. A linkage arm is pivotally coupled at a first end of the arm by a first pivot at an intermediate location along a side member of the sash and at a second end of the arm by a second pivot at an intermediate location along a side member of the perimeter frame. One of the top pivot of the sash or the second pivot of the linkage arm is a sliding pivot that is longitudinally slidable along the side member of the frame. A biasing member exert a biasing force on the sliding pivot which retains the sash open.