Patent ID: 9731941
Date: 2017-08-15
CPC Classifications: B66B,E05F

Claim:
1. A device for inhibiting closing of an elevator car door that controls entry to an elevator car, said device comprising: a powered mechanism for closing said door, a first magnet disposed on a driven portion of said door, and a second magnet disposed on a portion of said car, wherein said first magnet and said second magnet are permanent magnets, wherein said first magnet and said second magnet are configured to register with each other as said door moves toward a closed position, and wherein, if the first and second magnets are registered with each other, a pole of said first magnet is in close proximity of a pole of said second magnet such that said first magnet and said second magnet react to each other to inhibit motion of said door towards the closed position in a condition in which power for the powered mechanism is off.