Self-balancing double-hung window apparatus
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United States of America Patent
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May 26, 2015
Grant Date -
Aug 21, 2014
app pub date -
Oct 4, 2012
filing date -
Oct 5, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A mechanism is provided for balancing and positioning a sash of a self-balancing double-hung window assembly. The mechanism may include a fixed length cable, a pulley, first and second brackets and an adjustment member. The fixed length cable may include first and second ends. The pulley may support the cable. The first bracket may include one or more attachment points relative to the first end of the cable and may include an upper end and a lower end. The second bracket may be movable relative to the first bracket and may be configured to support the sash. The adjustment member may engage and extend through the lower end of the first bracket and may be movable relative to the first bracket to cause corresponding movement of the second bracket relative to the first end of the cable.
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