Overhead door cable engagement apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 9, 2008
app pub date -
Apr 4, 2007
filing date -
Apr 4, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cable-and-pulley mounted overhead door includes a mechanism for sensing when the cable is tending to slacken and to automatically take-up the slack so as to thereby prevent the cable from disengaging from its pulley. When the overhead door includes an automated drive system, provision is further made for sensing when the take up of slack has progressed to a determined degree and to responsively turn off the automated drive system.
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