Patent · US Active

Safety switching device and method for monitoring a hazardous area defined by motor-driven components

US7863780B2 · kind B2 · utility

1Cited by

3References

2Claims

0Family size

Assignee

SICK AG · DE

Inventors

Georg Plasberg · Endingen am Kaiserstuhl, DE
Heike Haarmann · Obersaasheim, FR
Matthias Elbert · Elzach, DE
Martin Wuestefeld · Waldkirch, DE
Claus Melder · Freiburg im Breisgau, DE

Key dates

Filing date	Oct 15, 2007
Grant date	Jan 4, 2011
Priority date	—
Expiry date	May 31, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG05B2219/49152
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.