Lower limb protecting air bag

1. A lower limb protecting air bag, folded and stored in front of an occupant seated in a seat, with supply of inflating gas therein, inflatable to cover the front of the lower limbs of the occupant, comprising:

a main body inflation part configured to cover the front of the lower limbs of the occupant in inflation completion;

an end side inflation part disposed on at least one of the horizontal-direction ends of the main body inflation part;

a bending part, interposed between the main body inflation part and the end side inflation part, configured to bend the end side inflation part to project backward from the main body inflation part in inflation completion; and

a connecting part and a seam part configured to connect together the end side inflation part and the main body inflation part with the bending part between them so that the bent state of the end side inflation part in inflation completion is maintained, wherein:

the main body inflation part and the end side inflation part are configured to inflate substantially in a plate shape to separate a front side wall disposed on an occupant side of the air bag and a back side wall disposed on a front side of the vehicle when the air bag is developed flat;

the bending part includes the seam part formed by superimposing and connecting together the front side wall and the back side wall; and

the connecting part and the seam part are provided at a tuck part interposed between the main body inflation part and the end side inflation part.

2. The lower limb protecting air bag according to claim 1 , wherein

the end side inflation part is arranged on both the left and right sides of the main body inflation part.