Safety switching device and method for monitoring a...

Details Safety switching device and method for monitoring a... Safety switching device and method for monitoring a...

2011-01-04

2011-01-04

Fureman, Jared J (Department: 2836)

Electrical transmission or interconnection systems

Personnel safety or limit control features

Reexamination Certificate

active

07863780

ABSTRACT:
The disclosure relates to a safety switching device for a hazardous area defined by motor-driven components, the device being switchable into at least two control stages, wherein in a first control stage at least some of the motor-driven components can be switched into a state of reduced risk potential and in at least one second control stage at least some of the motor-driven components can be shut off, and wherein the safety switching device comprises an apparatus for determining the position of the safety switching device inside the hazardous area.

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patent: 2005/0190056 (2005-09-01), Lacy et al.
patent: 2006/0279401 (2006-12-01), Yoshii et al.
patent: 44 10 009 (1995-09-01), None
patent: 1 479 964 (2004-11-01), None
patent: 2 810 650 (2001-12-01), None

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