Inflator
First Claim
1. An inflator for supplying inflation gas to an airbag of airbag device for automobile which is used in an inserted state in the airbag, the inflator comprising:
- a substantially cylindrical body for generating inflation gas; and
a substantially tubular retainer made of sheet metal for being mounted around the body, the retainer including a mounting member for mounting the airbag to a predetermined mounting position, a fastening portion, a first support portion and a second support portion, wherein;
the fastening portion is fastened on the body set in the retainer by being plastically deformed and recessed inward such that the retainer holds the body;
while the fastening portion is located in the vicinity of one end of the retainer, the fastening portion, the first support portion and the second support portion are arranged in order along axial direction of the body to abut against a circumference of the body, whereby the retainer holds the body at least at three axial positions by the fastening portion, the first support portion and the second support portion; and
the fastening portion and the second support portion are located in a substantially opposite area from the first support portion in the circumference of the body based on a center of a cross section of the body taken perpendicularly to the axial direction of the body as the retainer holds the body.
1 Assignment
0 Petitions
Accused Products
Abstract
An inflator according to the present invention is located inside an airbag of airbag device for supplying inflation gas. The inflator includes a substantially cylindrical body for generating inflation gas, and a substantially tubular retainer made of sheet metal to be mounted around the body for holding the body by fastening a fastening portion. The retainer includes mounting bolts for mounting the airbag to a predetermined mounting position. The retainer includes a fastening portion, a first support portion and a second support portion which are arranged in order along axial direction of the body to abut against a circumference of the body. The fastening portion and the second support portion are located in a substantially opposite area from the first support portion in the circumference of the body based on a center of a cross section of the body taken perpendicularly to the axial direction of the body as the retainer holds the body. In the inflator of the present invention, the inflator body is easily assembled with the retainer disposed inside a folded airbag, which facilitates a folding work of the airbag.
29 Citations
8 Claims
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1. An inflator for supplying inflation gas to an airbag of airbag device for automobile which is used in an inserted state in the airbag, the inflator comprising:
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a substantially cylindrical body for generating inflation gas; and
a substantially tubular retainer made of sheet metal for being mounted around the body, the retainer including a mounting member for mounting the airbag to a predetermined mounting position, a fastening portion, a first support portion and a second support portion, wherein;
the fastening portion is fastened on the body set in the retainer by being plastically deformed and recessed inward such that the retainer holds the body;
while the fastening portion is located in the vicinity of one end of the retainer, the fastening portion, the first support portion and the second support portion are arranged in order along axial direction of the body to abut against a circumference of the body, whereby the retainer holds the body at least at three axial positions by the fastening portion, the first support portion and the second support portion; and
the fastening portion and the second support portion are located in a substantially opposite area from the first support portion in the circumference of the body based on a center of a cross section of the body taken perpendicularly to the axial direction of the body as the retainer holds the body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification