Head-protecting airbag

Details Head-protecting airbag Head-protecting airbag

2011-06-21

2011-06-21

Ilan, Ruth (Department: 3616)

Land vehicles

Wheeled

Attachment

C280S736000, C280S742000

Reexamination Certificate

active

07963552

ABSTRACT:
A head-protecting airbag is deployable downward from an upper periphery of a window of vehicle to cover the window. The airbag includes a primary inflatable portion that includes a protection portion for receiving an occupant's head and a secondary inflatable portion that admits inflation gas of the primary inflatable portion and is inflatable secondarily for preventing a pressure increase of the primary inflatable portion. The primary inflatable portion and the secondary inflatable portion are communicated with a tubular conduit that is arranged along the lower periphery of the airbag. The protection portion includes an inlet-side inflatable portion communicated with the conduit and an upper inflatable portion located above the conduit. The conduit includes a main region located facing the outlet port and an enlarged-diameter region that is located facing the inlet port and has a greater opening dimension than the main region.

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