Patent attributes
The handle attachment includes a base portion that can be attached to a portion of a wall surface of a door, a flap portion that applies, as a result of a pulling operation, a pulling force to the door via the base portion, a flap rotation mechanism that rotatably connects the flap portion with respect to the base portion around a rotation axis, and a biasing member that biases the flap portion in a first rotation direction around the rotation axis with respect to the base portion. The flap portion includes a base end portion connected to the flap rotation mechanism and a distal end portion arranged at a position away from the flap rotation mechanism. The first rotation direction is a direction in which the distal end portion of the flap portion separates from the wall surface of the door.
