US Patent 10882489 Vehicle seatbelt device

A vehicle seatbelt device includes: a three-point seatbelt, a tongue having a long hole through which an intermediate portion of the seatbelt is inserted, a buckle that has a buckle main body at which the tongue is anchored and a stay that extends from the buckle main body toward a vehicle lower side and is connected to the vehicle seat, a forward tilting mechanism that tilts the stay toward a seat front side at a time of a vehicle collision or at a time a vehicle collision is predicted, and a shoulder pretensioner that pulls in a shoulder belt of the seatbelt at a time of a vehicle collision, wherein a lower end portion of the buckle main body and an upper end portion of the stay are connected rotatably around an axis along a seat transverse direction.