Patent ID: 11897408
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 9:
10. A vehicle, comprising:
a passenger compartment having a roof structure having a header;
a headliner disposed beneath the roof structure;
at least one inflatable bladder having an uninflated state and an inflated state wherein in both the uninflated state and the inflated state, the at least one inflatable bladder is disposed in a covering relationship over the header and the at least one inflatable bladder being connected to an inflator;
a rib structure in contact with the at least one inflatable bladder in both the uninflated state and the inflated state and sandwiched between the at least one inflatable bladder and the header in both the uninflated state and the inflated state, wherein the rib structure includes a plurality of ribs that have a height of between 3 and 8 mm; and
wherein the at least one inflatable bladder inflates to a maximum height of 12 cm below the header.