Winder assembly
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United States of America Patent
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Apr 12, 2016
Grant Date -
Jan 30, 2014
app pub date -
May 31, 2013
filing date -
May 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a locking unit 3 which is arranged to be fitted to existing casement window winding mechanisms. The winder assembly 1 comprises a winding mechanism 2 which is arranged to move the casement window outwardly or inwardly. In particular, the winder assembly 1 comprises a handle 48 which is rotated by a user in a first direction to open the window and in a second direction to close the window. The present invention provides a restrictor for restricting the opening of the casement window beyond a predetermined distance. In particular, the present invention is arranged to enable a user to wind the handle 48 until the casement window reaches the predetermined distance. The restrictor is automatically reset once the casement window is moved back or towards the closed position such that the casement window is within the predetermined restricted initial opening distance.
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