Spring arm lift systems
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United States of America Patent
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Oct 1, 2013
Grant Date -
Nov 17, 2011
app pub date -
Nov 12, 2010
filing date -
Nov 13, 2009
priority date (Note) -
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Abstract
A display positioning apparatus is provided for lifting, supporting, and/or positioning a load, such as a display. The apparatus includes a base and a lift arm adapted to couple to a display, the lift arm pivotally coupled to the base providing a range of travel. A balance mechanism is operatively coupled to the lift arm and the base to counterbalance the lift arm and display. In some cases the balance mechanism includes a torquing spring member to counterbalance the lift arm and an attached display along the range of travel.
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