Takata Corporation

Kazuhiko Yamakawa

Takayasu Zushi

Motonobu Kitagawa

Masato Kuretake

Sawayo Uda

Yoshimi Yoshida

Yoshimi Okamoto

A mechanism for covering a casing accommodating an air bag therein is formed of a lid for covering the casing, mounting pieces protruding from a back surface of the lid for mounting the lid to the casing, and high strength portions. First and second tear lines are formed in the back surface of the lid to allow the lid to be torn along the first and second tear lines. The first tear line extends in the width direction of a vehicle, and the second tear lines intersect the first tear line. The high strength portions are disposed outside the second tear lines near the respective connecting corners between the first tear line and the second tear line. The high strength portions are ribs, which are disposed on the back surface of the lid and project such that the second tear lines extend along the ribs. The ribs continue from the mounting pieces to thereby prevent a tear, which has traveled along the first tear line, from further traveling sideways at the connecting corners.

Lid for air bag device

An air bag consists of a front panel and rear panel. An inflater mounting opening is provided at the central portion of the rear panel. The rear panel and the front panel are connected to each other at a vicinity of the center thereof by threads. The threads allow the air bag to extend sideward at first, and then the threads are chopped so as to allow the air bag to extend forward.

Air bag and air bag device

Adapter members are projected from the inner surface of a cover member and tear lines including a first tear line which extends in the transverse direction of the cover member and second tear lines which extend in the longitudinal direction thereof are provided. The second tear lines are disposed at a short distance away from the adapter members. The thickness of portions of the cover member outside the second tear lines is smaller than that of the adapter members. The thickness of a portion of the cover member between the second tear lines is smaller than that of the portions of the cover member outside the second tear lines. Therefore, the tearing operation proceeding along the first tear line changes the course at the intersecting portions with certainty, and proceeds to the second tear lines. Thus, the module cover is torn open exactly along the tear line.

Module cover for air bag device

An inflator is formed of a container packed with gas generating agents, a device for initiating the gas generating reaction of the gas generating agents, injection holes provided in one surface of the container so as to inject the gas generated in the container to the outside therethrough, a plate provided on the one surface of the container in such a manner as to cover the injection holes, and a connecting device for connecting the plate and the container. The connecting device allows the plate to move away from the one surface of the container by a predetermined distance.

Inflator and air bag device for driver

A modular cover for an air bag system is formed of a rigid inner layer, a soft outer layer, and a tear line along which the modular cover is torn. The tear line includes a raised portion extending from the inner layer into the outer layer, and a recessed portion formed in the inner surface of the modular cover. The modular cover includes projecitons projecting from the inner layer into the outer layer and located adjacent to the tear line so as to prevent the outer layer from suffering from depressions. The projections are formed in a shape such that the their width decreases from an upstream side to a downstream side along a flow direction of the resin when the outer layer is molded.

Modular cover for air bag system

A bag holding member in an air bag device for protecting the occupant of a vehicle has an opening in which a bag inflator is fitted. The inflator has a flange held against the bag holding member around its opening. One of the bag holding member and the flange has a plurality of pins projecting toward the other, and the other has a plurality of slits lying circumferentially of the opening of the bag holding member. Each of the pins is engaged in one of the slits to secure the inflator to the bag holding member.

Air bag device with an inflation mounting structure

A retainer used for an air bag device for use in a driver's side of a vehicle includes a main plate portion having an opening for mounting an inflator and mounting members depending from the sides of the main plate portion, wherein the retainer is made of a synthetic resin.

Retainer used for an air bag device

A bag holding member has an opening where the inflator is inserted. The member has a cylindrical wall projecting coaxially with the opening. The inflator extends through the cylindrical wall. The cylindrical wall has slits extending spirally. The inflator has pins projecting from its outer periphery. The pins engage the slits respectively to secure the inflator to the cylindrical wall.

Air bag device with an inflator mounting structure

An air bag device includes: a retainer having an inflator mounting opening formed in the central portion of its main plate; an inflater having its leading end mounted in the opening of the retainer and formed with a plurality of gas injection ports in its side periphery; an air bag fitted on the retainer and folded such that it can be extended by the gas injected from the inflator; and a module cover covering the air bag and capable of being torn by the air bag when the air bag is extended. The air bag is folded at first in a first direction along the main plate of the retainer and then in a second direction perpendicular to the first direction. The inflator injects the gas in the second direction, immediately after being activated, and then in the first direction.

Specially folded air bag and special inflator for inflating air bag

An air bag device for a driver seat is formed of a retainer composed of a main plate portion having an opening for mounting an inflator and mounting pieces extending uprightly from peripheral edges of the main plate portion, an air bag having a rear end connected to the retainer, an inflator mounted on the retainer, and a module cover for covering the air bag, the retainer being made of a synthetic resin, and the rear end of the air bag being secured to the retainer by embedding the rear end in the retainer. In an air bag for a passenger seat, a container for the air bag is made of a synthetic resin to secure the rear end of the air bag to the container.

Growing community of inventors

Shiga, Japan

Kazuhiko Yamakawa