| 摘要 |
Electrically operated folding operable walls controlled by an electrical operation circuit of the type having a key switch, a control panel, an extend limit, a stack limit, control relays and a motor. The invention consists of a mechanism designed to provide safety during the operation of said folding walls by sensing a person with dual stage detector that will sense a person directly in the operable folding wall's path, floor mat sensors to detect the presence of a person in the stack area, and a control unit wired to the folding wall control panel, will shut down the operation of the folding wall. Another mechanism provides for the restarting of the folding wall by resetting the relay inside the control panel.
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