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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 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.
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 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.
Upwardly Pivoted Window with Spring Biased Sash
MARYKUCA MICHAEL (author) / MARYKUCA EVAN (author) / RAMER PHILIP J (author)
2019-08-29
Patent
Electronic Resource
English
IPC:
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
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Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
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