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

Claim 14:
15. A vehicle, comprising:
a passenger compartment having a roof structure having a header;
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 with a pair of opposite side edges of the at least one inflatable bladder being fixed to the roof structure and the at least one inflatable bladder being connected to an inflator; and
a rib structure including a plurality of ribs in contact with the at least one inflatable bladder in both the uninflated state and the inflated state and wherein the at least one inflatable bladder is sandwiched between the plurality of ribs and the header in both the uninflated state and the inflated state, wherein the plurality of ribs have a height of between 3 and 8 mm.