Modular emergency stop relay system
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United States of America Patent
Stats
-
Feb 3, 2004
Grant Date -
Apr 4, 2002
app pub date -
Sep 28, 1999
filing date -
Sep 28, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A modular emergency stop device including a switch unit and a control unit. The switch unit includes a switch which converts from a normal state to an emergency state when an emergency stop is necessary and a housing for the switch. The control unit includes a controller which controls a power source for a machine and a housing for the controller. The switch unit's housing and the control unit's housing are adapted to be selectively coupled together and uncoupled from each other. The switch is operably coupled to the controller when the housings are coupled together whereby the controller may appropriately control the machine's power source when the switch is converted to the emergency state. To replace the switch, the switch's housing is uncoupled from the controller's housing to remove the switch unit and a new switch unit is coupled to the controller's housing.
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Cited Art Landscape
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