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Coil spring mounting system and method for use in a tilt-in window counterbalance assembly
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Counter balance system for a window having side loading sashes
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System and method for improving the wear life of a brake shoe in the counterbalance system of a tilt-in window
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Window construction utilizing sash spacer assemblies
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Mounting system for a coil spring in a window counterbalance assembly
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Coil spring counterbalance system for side loading window sashes
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Rounded shoe and position brake assembly for the counterbalance system of a tilt-in window
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Counterbalance system for a tilt-in window having an improved shoe assembly and anchor mount