Airbag cover
AssigneeToyoda Gosei Co., Ltd.
InventorHiroki Takai
Life of this patent
Estimating the term…
Abstract
A breakable portion breaks, as a break start point portion, a portion in a vicinity of a center of a tip end side of a door portion away from a hinge portion on a rotation center side of the door portion when the door portion is opened. A breakable coupling portion in an area of the start point portion is disposed such that a width dimension between the breakable openings which are adjacent to each other in a plan view on a tip end portion away from the hinge portion is smaller than a width dimension on a base portion close to the hinge portion of the door portion.
Claims6
An airbag cover configured to cover an upper side of an airbag which is folded, the airbag cover comprising:
- a base material;
- and
- a skin layer bonded to a front surface side of the base material, wherein:
- when the airbag is inflated, a door portion provided on the base material is pushed by the airbag, which is inflated, to break a breakable portion around the door portion and to break a portion of the skin layer on a peripheral edge of the door portion, and the door portion opens to form a protruding opening of the airbag;
- a back surface side of the door portion is coupled to a door holding portion extending from a case side housing the airbag which is folded, and the door portion is held by the door holding portion to be openable;
- the breakable portion of the base material includes:
- a plurality of breakable openings which are strip-shaped, penetrate the front and back of the base material, and are disposed along an edge of the door portion;
- and
- a plurality of breakable coupling portions which are disposed to close gaps between the breakable openings and are broken when the airbag is inflated;
- the breakable portion breaks, as a break start point portion, a portion in a vicinity of a center of a tip end side of the door portion away from a hinge portion on a rotation center side of the door portion when the door portion is opened;
- and
- the breakable coupling portion in an area of the start point portion is disposed such that a width dimension between the breakable openings which are adjacent to each other in a plan view on a tip end portion away from the hinge portion is smaller than a width dimension on a base portion close to the hinge portion of the door portion.
Dependencies are inferred from the claim text.