Safety switch and associated methods

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United States of America Patent

PATENT NO 9824841
SERIAL NO

14943650

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A cable pull switch includes a polychotomous sensor configured to provide a reading of at least one of a plurality of values, the reading corresponding to a tension on a pull cable or a linear displacement of an end of a pull cable. A processing device is configured to receive the reading, determine whether a value of the reading is outside of a non-tripped value window, a limit edge being a pull threshold value, and responsively generate an output signal indicative of a cable pull event. Other features and improvements are described.

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Patent Owner(s)

  • ROCKWELL AUTOMATION TECHNOLOGIES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ananthanarayanan, Arvind Medford, US 9 25
Bubar, Todd Hollis, US 8 49
Dogul, James Edward Hudson, US 11 34
Sacherski, Burt Nashua, US 26 158
Tambeau, Steven Robert Marlborough, US 5 18
Tsang, Andrew L Lowell, US 7 60

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