Protective cushion for vehicle occupant's head
AssigneeTakata Corporation
InventorsAtsuyuki Uchiyama, Yasushi Masuda, Ryosuke Nakanishi
Life of this patent
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Abstract
To provide a protective cushion for a vehicle occupant's head which can introduce gas into chambers simultaneously or with desired time lags among the chambers. A cushion 1 comprises an occupant-side sheet 2 and a body-side sheet 3 which are superposed on each other and sewn together so as to form vacant chambers 11 through 14 between the sheets 2 and 3. A cylindrical member 20 is disposed between upper portions of the sheets 2, 3. Gas supplied through a rear end 21 of the cylindrical member 20 is introduced into the chambers 11 through 14 through openings 22, 23 and a front end 24 of the cylindrical member 20.
Claims18
A protective cushion for a vehicle occupant's head which is disposed in the vicinity of a corner between a ceiling and a side surface of a vehicle cabin so that it is adapted to be inflated with introduced gas downwardly along the side surface, the protective cushion comprising:
- an occupant-side sheet and a body-side sheet which are superposed on each other and joined together so as to form a plurality of vacant chambers between said sheets into which gas is filled,
- wherein said chambers are arranged in the longitudinal direction of the vehicle, and
- wherein the cushion has a gas passage at an upper portion thereof extending in the longitudinal direction of the vehicle,
- said protective cushion being characterized in that said gas passage comprises a cylindrical member provided separately from said sheets wherein said gas passage is provided with at least one opening between first and second ends thereof.
Dependencies are inferred from the claim text.