Patent ID: 7837255

Claim:
A vehicle side door structure comprising: a door main body having an internal space formed between an outer panel disposed at an outer side in a vehicle width direction and an inner panel disposed at an inner side in the vehicle width direction of the outer panel; an impact detector attached to the inner panel; an impact beam having a length direction along a vehicle body front-rear direction, disposed at an outer panel side in the internal space, with both end portions of the impact beam in a longitudinal direction of the impact beam fixed to the door main body; and a load transmission member, having a length direction along the vehicle body front-rear direction, disposed at a bottom side of the vehicle body and at a rear side of the vehicle body in the internal space, the load transmission member comprising an inner-side joint section joined to the inner panel, a horizontal section extending from the inner-side joint section towards the outer side in the vehicle width direction, and an outer-side joint section extending from a vehicle width direction outer-edge portion of the horizontal section towards the bottom side of the vehicle body and joined to the inner panel, the vehicle width direction outer-edge portion of the horizontal section being disposed further toward the inner side in the vehicle width direction than a vehicle width direction outer-edge portion of the impact beam and facing the outer panel with a gap therebetween.