US 12,012,801 B2
Hardened operable window systems and methods
John S. Judson, Vicksburg, MS (US); Jessica K. Vankirk, Vicksburg, MS (US); David V. Senior, Vicksburg, MS (US); Craig R. Ackerman, Gainesville, VA (US); and Daniel Duke, Washington, DC (US)
Assigned to UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY, Alexandria, VA (US)
Filed by United States of America as Represented by The Secretary of The Army, Alexandria, VA (US)
Filed on Sep. 30, 2019, as Appl. No. 16/589,116.
Prior Publication US 2023/0366258 A1, Nov. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E06B 5/12 (2006.01); E06B 3/26 (2006.01); E06B 3/46 (2006.01); E06B 3/54 (2006.01); E06B 3/64 (2006.01); E06B 5/10 (2006.01); E06B 5/11 (2006.01)
CPC E06B 5/12 (2013.01) [E06B 3/2605 (2013.01); E06B 3/4609 (2013.01); E06B 3/5454 (2013.01); E06B 3/64 (2013.01); E06B 5/106 (2013.01); E06B 5/11 (2013.01); E06B 2003/2615 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A blast, ballistic, and entry resistant operable window system for installation in a wall of a building, comprising:
a sliding exterior glazing panel assembly having an exterior glazing frame, an interior glazing frame coupled with the exterior glazing frame, a glazing panel disposed between the exterior glazing frame and the interior glazing frame, a plurality of settling blocks in contact with the glazing panel, a plurality of upper exterior ball transfer units, and a plurality of lower exterior ball transfer units;
a sliding interior glazing panel assembly having an exterior glazing frame, an interior glazing frame coupled with the exterior glazing frame, a glazing panel disposed between the exterior glazing frame and the interior glazing frame, a plurality of settling blocks in contact with the glazing panel, a plurality of upper interior ball transfer units, and a plurality of lower interior ball transfer units;
an exterior frame assembly having an upper raceway that receives the plurality of upper exterior ball transfer units of the exterior glazing panel assembly and a lower raceway that receives the plurality of lower exterior ball transfer units of the exterior glazing panel assembly;
an interior frame assembly having an upper raceway that receives the plurality of upper interior ball transfer units of the interior glazing panel assembly and a lower raceway that receives the plurality of lower interior ball transfer units of the interior glazing panel assembly;
an exterior gasket configured for placement between the exterior frame assembly and the wall of the building;
a central gasket configured for placement between the exterior frame assembly and the interior frame assembly; and
an interior gasket configured for placement between the interior frame assembly and the wall of the building.