Machine guarding system having a sensing mat with status...

Details Machine guarding system having a sensing mat with status... Machine guarding system having a sensing mat with status...

2006-10-10

2006-10-10

Lieu, Julie Bichngoc (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S666000, C340S668000, C200S08600A, C200S086500

Reexamination Certificate

active

07119704

ABSTRACT:
A machine guarding system generally includes a switch mat in electrical communication with a machine being guarded. The switch mat is adapted to be placed on a floor adjacent the machine being guarded and includes a pressure actuated switch mechanism which causes power to the machine to be terminated when a pressure is applied to the switch mat. The switch mat further includes a status indicator display disposed on a surface of the switch mat which is illuminated based on a status of the machine being guarded. In a preferred embodiment, the machine guarding system further includes a machine control unit for controlling power to the machine being guarded. The switch mat is in electrical communication with the machine control unit, wherein the switch mechanism causes the machine control unit to terminate power to the machine when a pressure is applied to the switch mat. The machine control unit also illuminates the indicator display based on a status of the machine being guarded.

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