Providing constant counterbalance throughout predetermined range of motion
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United States of America Patent
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May 22, 2012
Grant Date -
Sep 30, 2010
app pub date -
Mar 25, 2009
filing date -
Mar 25, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus includes a lever arm that couples to a pivot point on one end and a display on the other end. The lever arm rotates around the pivot point through a lever arm range of motion, and the weight of the display produces a display torque around the pivot point that varies as the lever arm rotates through the lever arm range of motion. The apparatus also includes a spring that couples to the lever arm using a cable. The spring produces, through the lever arm, a spring torque around the pivot point that is equally opposite of the display torque throughout the lever arm range of motion.
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