Patent ID: 11945685
Assignee: OTIS ELEVATOR COMPANY
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. An elevator door assembly, comprising:
an elevator door lock comprising
a latch that is moveable between a locking position and a released position, the latch including a locking surface configured to engage a stop when the latch is in the locking position, and
a magnet that is situated to magnetically attract a portion of the latch to selectively move the latch from the locking position into the released position;

a door;
a door mover configured to move the door between open and closed positions; and
wherein the magnet is associated with the door mover for movement between a first position and a second position,
the magnet does not attract the portion of the latch when the magnet is in the first position,
the latch is in the locking position when the magnet is in the first position,
the magnet attracts the portion of the latch when the magnet is in the second position, and

the latch is in the released position when the magnet is in the second position.