Automatic charge hearth access door assembly
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United States of America Patent
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Jan 12, 2016
Grant Date -
Jun 18, 2015
app pub date -
Dec 17, 2013
filing date -
Dec 17, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An automatic charge hearth access door assembly for a melting furnace includes an access door movable between a closed position for covering a furnace opening located on a face of the furnace and an opened position for providing access to the furnace opening. A latch mechanism is configured to automatically secure the access door to the face of the furnace in the closed position. An open-and-close drive assembly includes a motor and arm operably connected to the motor. The open-and-close drive assembly is configured to automatically move the access door relative to the face of the furnace between the closed position and opened position and simultaneously move the access door relative to the arm.
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