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Active bolster

  • US 8,931,803 B2
  • Filed: 08/27/2013
  • Issued: 01/13/2015
  • Est. Priority Date: 11/09/2010
  • Status: Active Grant
First Claim
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1. An active bolster for a vehicle occupant, the active bolster comprising:

  • a rear panel, an internal structure, a front panel, and a reinforcement plate;

    said internal structure being disposed between said rear panel and said front panel;

    said reinforcement plate being disposed between said front panel and said internal structure said internal structure and said rear panel together forming a hollow chamber in communication with an inflation device, said hollow chamber being expandable on activation of the inflation device;

    said internal structure having at least one expandable element such that upon pressurization of said hollow chamber by said inflation device, at least a portion of said at least one expandable element undergoes deformation to permit inflation of said hollow chamber, displacing said rear panel rearwardly to an extended position.

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