The required door reopening device would hold the door open for 20 seconds if the doorway remains obstructed. After 20 seconds, the door may begin to close....
Search Results "Reopening Device"
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A4.10.6 Door Protective and Reopening Device
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11B-407.3.3 Reopening device
Elevator doors shall be provided with a reopening device complying with Section 11B-407.3.3 that shall stop and reopen a car door and hoistway door automatically if the door becomes obstructed...
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11B-407.3.3.1 Height
The device shall be activated by sensing an obstruction passing through the opening at 5 inches (127 mm) nominal and 29 inches (737 mm) nominal above the finish floor....
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11B-407.3.3.2 Contact
The device shall not require physical contact to be activated, although contact is permitted to occur before the door reverses....
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11B-407.3.3.3 Duration
Door reopening devices shall remain effective for 20 seconds minimum....
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11B-411.3.3 Reopening device
Elevator doors shall be provided with a reopening device complying with Section 11B-411.3.3 that shall stop and reopen a car door and hoistway door automatically if the door becomes obstructed...
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11B-411.3.3.1 Height
The height of the reopening device shall comply with Section 11B-407.3.3.1....
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Boost Your Business - Chapter 12 - Elevators
Boost Your Business - Chapter 12 - Elevators