Patent ID: 11873678
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A system comprising:
a garage door having a plurality of panels pivotally interconnected and spanning horizontally across a door opening defined by a door frame, the plurality of panels having rollers movably engaged with tracks extending along lateral sides of the door frame;
a motorized opener coupled with the garage door and configured to move the garage door along the tracks between an open position and a closed position, the motorized opener having a controller for controlling the movement of the garage door; and
magnets disposed adjacent the lateral sides of the door frame, the magnets configured to magnetically engage the garage door in the closed position, and the magnets configured to release the magnetic engagement with the garage door in response to a signal from the controller when the garage door is to be moved from the closed position to the open position; and
wherein the magnets each comprise an electro-permanent magnet that has a coil wrapped around the electro-permanent magnet and pole pieces disposed at ends of the electro-permanent magnet.