Patent ID: 7232149

Claim:
A knee protection airbag apparatus having an airbag with the following construction: said airbag having a construction in which said airbag is folded and accommodated below the area in front of the knees of a passenger who is seated, inflates upward toward the vehicle rear so as to be capable of protecting the knees of the passenger when inflating gas inserted, and includes; a knee protection inflation portion disposed on the upper side of the airbag after completion of inflation, capable of protecting both knees of the passenger; a shin facing portion disposed below said knee protection inflation portion at the time of completion of inflation, inside an area extending substantially vertically at the position of both shins of the passenger; and gas flow paths disposed inside both right and left edge sides of the airbag, capable of causing the inflating gas flowing at a lower part of said airbag to flow towards said knee protection inflation portion while inhibiting said shin facing portion from thickly inflating in the initial stage of inflation of said airbag, wherein: the thickness of said shin facing portion at the time of completion of inflation is set smaller than the thickness of said knee protection inflation portion at the time of completion of inflation; and said shin facing portion does not permit the inflow of the inflating gas.