Air bag holding means in an inflating type occupant restraint device
First Claim
1. In an inflatable passenger restraint device having an air bag having a substantially circular opening in the central region thereof and fixing bolt holes radially outwardly of said central opening, a gas generator, substantially circular in transverse cross-section, in the opening, a retainer for mounting the air bag and a securing member for securing the air bag and the gas generator, means extending through the fixing bolt holes for securing said air bag and said gas generator together with the retainer and the securing member, the improvement comprising:
- the diameter of the opening of the air bag being less than the outer diameter of the gas generator, the inner edge of the bag surrounding the opening extending radially inwardly from the retainer and having a plurality of circumferentially spaced substantially radially extending slits therein which extend outwardly from the opening to at least the outer periphery of the gas generator; and
said slits being at positions not coincident with said fixing bolt holes.
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Accused Products
Abstract
An inflating type occupant restraint device is disclosed which includes an air bag holder. A gas generator is inserted and arranged in an air bag which is formed at its central part with an opening having a diameter smaller than the outside diameter of the gas generator. An inner peripheral edge around the opening is formed with a plurality of radially extending slits and protrudes inwardly beyond the end of an inner edge of a retainer for mounting the air bag, whereby the shearing resistance of the air bag in an area surrounding the gas generator is increased.
35 Citations
4 Claims
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1. In an inflatable passenger restraint device having an air bag having a substantially circular opening in the central region thereof and fixing bolt holes radially outwardly of said central opening, a gas generator, substantially circular in transverse cross-section, in the opening, a retainer for mounting the air bag and a securing member for securing the air bag and the gas generator, means extending through the fixing bolt holes for securing said air bag and said gas generator together with the retainer and the securing member, the improvement comprising:
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the diameter of the opening of the air bag being less than the outer diameter of the gas generator, the inner edge of the bag surrounding the opening extending radially inwardly from the retainer and having a plurality of circumferentially spaced substantially radially extending slits therein which extend outwardly from the opening to at least the outer periphery of the gas generator; and said slits being at positions not coincident with said fixing bolt holes. - View Dependent Claims (2, 3)
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4. In an inflatable passenger restraint device having an air bag having a substantially circular opening in the central region thereof and fixing bolt holes radially outwardly of said central opening, a gas generator, substantially circular in transverse cross-section, in the opening, said gas generator having a radially outwardly extending mounting flange, a retainer for mounting the air bag and a securing member for securing the air bag and the gas generator, means extending through the fixing bolt holes for securing said air bag and said gas generator together with the retainer and the securing member, the improvement comprising:
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the diameter of the opening of the air bag being less than the outer diameter of the gas generator, the inner edge of the bag surrounding the opening extending radially inwardly from the retainer and having a plurality of circumferentially spaced substantially radially extending slits therein which extend outwardly from the opening to at least the outer periphery of the gas generator with the portions of the bag between the slits being in abutment with and extending along the periphery of the gas generator in a direction substantially parallel to the axis of the opening; and said slits being at positions not coincident with said fixing bolt holes.
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Specification