An automobile bumper structure is provided which is capable of keeping down an
increase in weight, strongly supporting a reinforcement member with a vehicle structure
body behind it, preventing a pedestrian or the like from getting caught under a
vehicle when the vehicle has hit the pedestrian or the like. In this automobile
bumper structure, a bumper face 2 includes an opening portion 4,
and a reinforcement member 20 is disposed behind and inside of a bumper
lower face 2b which extends downward from this opening portion 4.
Side-plane portions 22, an upper-plane portion 24, a front-plane
portion 26 and a lower-plane portion 28 are formed in the reinforcement
member 20. A vertical rib 32 is provided across the upper-plane portion
24, the front-plane portion 26 and the lower-plane portion 28.
An extended portion 29 is united with the lower-plane portion 2 and
extends rearward from it, and this extended portion 29 is connected to a
cross member which is disposed behind a bumper structure body 1 and is also
connected to an under cover.
