Lift assist mechanism
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United States of America Patent
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Feb 3, 2015
Grant Date -
Oct 20, 2011
app pub date -
Apr 18, 2011
filing date -
Apr 20, 2010
priority date (Note) -
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Abstract
A lift assist mechanism is provided for assisting lifting of a movable component that can move between lowered and raised positions relative to a fixed structure. The lift assist mechanism includes a lift assist spring connected to a spring shaft, and an elongated track in which an end of the lift assist spring or an end of the spring shaft are movably engaged. A spring lock restrains movement of the spring shaft when a lift assist is not required, and releases the spring shaft when a lift assist is required.
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