Vertical spring lift systems
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United States of America Patent
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Dec 3, 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 support and a bracket adapted to couple to a display movably coupled to the support along a range of travel. A balance mechanism is operatively coupled to the bracket and support to counterbalance the bracket and display. In some cases the balance mechanism includes a torquing spring member operatively coupled with a cam member to provide a substantially constant counterbalancing force along the range of travel.
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