Patent ID: 9266412
Filing Date: 2016-02-23
CPC Classification: B60J

Claim Text:
1. A vehicle side door structure comprising: a door inner panel that is disposed along a vehicle front and rear direction, including a front end portion disposed at an outer side of a pillar, as viewed in a vehicle width direction, a first opposing wall portion disposed at the outer side of the pillar in the vehicle width direction, and a second opposing wall portion that is bent inward from the first opposing wall portion so as to extend toward an inside of the vehicle and face the pillar in the vehicle front and rear direction; a door outer panel that is disposed on an outer side of the door inner panel, opposes the door inner panel in the vehicle width direction, and has a peripheral edge portion joined to a peripheral edge portion of the front end portion of the door inner panel; an impact beam that is disposed between the door inner panel and the door outer panel wherein a lengthwise direction of the impact beam coincides with the vehicle front and rear direction; and an impact beam extension formed of a single metal plate is provided at a lengthwise direction end portion of the impact beam, is overlaid on the first opposing wall portion, is welded to the first opposing wall portion, and overlaps at least part of a weak portion formed in the second opposing wall portion as viewed in the vehicle width direction, wherein the weak portion includes a through hole formed in the second opposing wall portion, wherein the though hole defines a hollow space being free from any structure disposed therein; and the second opposing wall portion is configured to be crushed inward at the weak portion in the vehicle width direction accompanying inward displacement of the impact beam in the vehicle width direction.