US 12,263,801 B2
Occupant protection device
Takatoshi Yajima, Kiyosu (JP); Yasushi Masuda, Kiyosu (JP); Kenji Kakimoto, Kiyosu (JP); and Wataru Miura, Kiyosu (JP)
Assigned to TOYODA GOSEI CO., LTD., Aichi-pref. (JP)
Filed by TOYODA GOSEI CO., LTD., Kiyosu (JP)
Filed on Oct. 24, 2023, as Appl. No. 18/493,309.
Claims priority of application No. 2022-183890 (JP), filed on Nov. 17, 2022; application No. 2023-037747 (JP), filed on Mar. 10, 2023; and application No. 2023-052467 (JP), filed on Mar. 28, 2023.
Prior Publication US 2024/0166155 A1, May 23, 2024
Int. Cl. B60R 21/18 (2006.01); B60R 21/2338 (2011.01)
CPC B60R 21/18 (2013.01) [B60R 2021/23382 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An occupant protection device, comprising:
a seatbelt having at least a tongue, a buckle to which the tongue is joined, and a lap belt portion that restrains a waist portion of an occupant seated on a seat in a state where the tongue is joined to the buckle;
an inflator that discharges an inflating gas; and
an airbag that is provided in the lap belt portion, the airbag including a main body portion that expands owing to the inflating gas being supplied and receives the occupant, a conduit portion that is connected to the inflator, guides the inflating gas discharged from the inflator to the main body portion, and causes the inflating gas to flow into the main body portion, and a tether linked to an outer peripheral face of the main body portion,
wherein the main body portion when inflation is completed includes a rear wall portion that comes into contact with the occupant and to which one end portion of the tether is linked,
a front wall portion that is disposed in front of the rear wall portion, separated from the rear wall portion, and to which another end portion of the tether is linked, and
an upper wall portion that connects the rear wall portion and the front wall portion above the tether,
wherein the main body portion is adapted and configured for being supported by a supporting body via the tether by the tether which is adapted and configured for catching on so as to follow an upper surface of the supporting body and being engaged with the supporting body, and
wherein the tether is connected along a left-right direction to the main body portion.