Inverted constant force window balance for tilt sash
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United States of America Patent
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Sep 15, 2015
Grant Date -
Oct 6, 2011
app pub date -
Apr 6, 2011
filing date -
Apr 6, 2010
priority date (Note) -
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Abstract
A window balance may include a shoe body with an elongate portion and an enlarged portion. The elongate portion may include at least one carrier section for supporting a coil spring and an enlarged portion may include a locking element and a cam in communication with the locking element. The width of the enlarged portion may be greater than the width of the elongate portion. The spring may rest in the carrier section and may be secured to a window jamb with a fastener or a mounting element.
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