Safety interlock switch having combined functions

Details Safety interlock switch having combined functions Safety interlock switch having combined functions

1995-05-08

1997-08-12

Wong, Peter S.

Facsimile and static presentation processing

Facsimile

Recording apparatus

347263, 347170, B41V 207

Patent

active

056571321

ABSTRACT:
In the preferred embodiment, an interlock switch is located on a first of two access doors of a printer. The second access door has an upwardly extending protuberance near its end. The switch is actuated for enabling the system by closing the second access door followed by closing the first access door. The protuberance on the second access door pushes upwardly on an arm of the switch as the first access door is closed, thus actuating the switch. This not only provides a reliable safety mechanism by insuring that the doors are properly closed, but eliminates the cost of a separate safety interlock switch for each access door.

REFERENCES:
patent: 4435722 (1984-03-01), Kato

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