Constant force apparatus and method
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United States of America Patent
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Sep 20, 2005
Grant Date -
Jul 15, 2004
app pub date -
Dec 14, 2001
filing date -
Dec 15, 2000
priority date (Note) -
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Abstract
A constant force apparatus having a cam (12) with a non-planar surface (13), a compliant member (14) with a free end (18), a fixed end (16), and an intermediate contact area (20) therebetween, wherein the free end (18) of the compliant member (14) (slidably engages the non-planar surface (13) of the cam (12) and the compliant member (14) provides a substantially constant reaction force at the intermediate contact area (20) regardless of displacement (22) of the intermediate contact area (20). The compliant member (14) can further include a material capable of conducting electricity for use as an electrical contact. The apparatus can further comprise a docking station for use with a dockable unit to accept the dockable unit and provide an electrical connection thereto.
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