US 12,296,759 B2
Headliner impact system
Phouvadol P. Khouphongsy, Saline, MI (US); Umesh N. Gandhi, Farmington Hills, MI (US); Danil V. Prokhorov, Canton, MI (US); Yuyang Song, Ann Arbor, MI (US); and Mizuho Takayama, Ann Arbor, MI (US)
Assigned to Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US); and Toyota Jidosha Kabushiki Kaisha, Toyota (JP)
Filed by Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US)
Filed on Mar. 30, 2023, as Appl. No. 18/128,695.
Prior Publication US 2024/0326718 A1, Oct. 3, 2024
Int. Cl. B60R 13/02 (2006.01); B60R 21/01 (2006.01); B60R 21/04 (2006.01)
CPC B60R 13/0212 (2013.01) [B60R 21/04 (2013.01); B60R 2021/01013 (2013.01); B60R 2021/0442 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method comprising:
detecting, with a controller connected to a first impact feature of a headliner of a vehicle, a physical contact with the first impact feature, the first impact feature having a first bending strength prior to the physical contact; and
activating, with the controller, the first impact feature to transition the first impact feature from the first bending strength to a second bending strength in response to the detected physical contact, wherein activating the first impact feature comprises compressing a lamination of sheets of material positioned in a sealed vessel.