US 11,873,049 B2
Airbag device for saddled vehicle
Seiichi Kurohori, Tokyo (JP); Takashi Sato, Tokyo (JP); Yutaka Aikyo, Tokyo (JP); Makoto Fuma, Yokohama (JP); Masaru Habu, Yokohama (JP); and Sho Murakami, Yokohama (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Appl. No. 17/763,415
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
PCT Filed Sep. 30, 2019, PCT No. PCT/JP2019/038644
§ 371(c)(1), (2) Date Mar. 24, 2022,
PCT Pub. No. WO2021/064835, PCT Pub. Date Apr. 8, 2021.
Prior Publication US 2022/0355882 A1, Nov. 10, 2022
Int. Cl. B62J 27/20 (2020.01); B60R 21/20 (2011.01)
CPC B62J 27/20 (2020.02) [B60R 21/20 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An airbag device for a saddled vehicle comprising:
a retainer provided behind a head pipe;
an inflator; and
an airbag accommodated in the retainer, the airbag being configured to be expanded by gas released by the inflator and deployed in front of a passenger,
wherein the retainer has a box shape formed by assembling a first component, a second component, and a third component,
the airbag device includes an exterior member that covers, by a lid portion, an opening in an upper surface of the retainer from an upper side and that covers, from an outer side of the retainer, substantially an entirety of the retainer from an upper end portion to a lower end portion of the retainer,
the inflator is disposed to be offset outward in a vehicle width direction relative to the head pipe,
the first component covers the inflator from a vehicle front side,
the second component is provided behind the head pipe,
the third component is provided on a side of the passenger and is fitted to the second component and the first component from a vehicle back side,
the retainer has an L shape including: an upward/downward extending portion extending in an up-down direction and having an upper end portion from which the airbag is deployed; and a sideward extending portion extending outward in the vehicle width direction from the upward/downward extending portion,
the second component constitutes a front portion of the upward/downward extending portion and overlaps the head pipe from the vehicle back side,
the first component is a box-shaped component with a back portion opened backward, is joined to a side portion of the second component, and constitutes a front portion of the sideward extending portion,
the first component extends forward up to a position in front of the head pipe and on an outer side relative to the head pipe,
the inflator is disposed at a position in front of the head pipe and on the outer side relative to the head pipe inside the first component, and
the exterior member is fastened to the retainer with a cover fastening tool and the lid portion includes a ripping portion that is configured to be caused to rupture by the airbag deployed.