E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 15/00 (2006.01) E05F 15/16 (2006.01)
Patent
CA 2168814
A double-hung window arrangement comprises a substantially rectangular main frame and vertically slidable upper and lower sash sections. A remotely operated electrical window operator for the upper sash section comprises an operator housing with an electric drive motor and transmission means arranged on a horizontal upper part of the main frame and a chain engaged in the housing by the transmission means and having a free end secured to an upper horizontal member of the upper sash section so as to be non-detachable from the upper horizontal member at least in any open position of the upper sash section.
Moeller Brent
Borden Ladner Gervais Llp
V. Kann Rasmussen Industri A/s
Vkr Holding A/s
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