Inflator having a mechanically coupled two-piece housing
First Claim
Patent Images
1. An inflator comprising:
- an elongated tubular housing at least in part defining a chamber, the housing including a first housing portion connected to a second housing portion by a plurality of tabs each cut from a metal first housing wall of the first housing portion and having a respective one of the plurality of tabs crimped into a corresponding one of a plurality of receiver openings formed in the second housing portion to lock the first housing portion to the second housing portion;
an initiator operatively associated with the chamber; and
a bulkhead including the initiator, the bulkhead including a center wall at least partially dividing the chamber into a primary chamber partially enclosed by the first housing portion and a secondary chamber partially enclosed by the second housing portion.
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Abstract
An inflator including an initiator and a bulkhead molded around the initiator. The inflator includes a housing formed of two overlapping housing portions mechanically coupled together around a portion of the bulkhead. One of the housing portions includes cut tabs that are crimped into cut receivers of the other housing portion.
31 Citations
20 Claims
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1. An inflator comprising:
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an elongated tubular housing at least in part defining a chamber, the housing including a first housing portion connected to a second housing portion by a plurality of tabs each cut from a metal first housing wall of the first housing portion and having a respective one of the plurality of tabs crimped into a corresponding one of a plurality of receiver openings formed in the second housing portion to lock the first housing portion to the second housing portion; an initiator operatively associated with the chamber; and a bulkhead including the initiator, the bulkhead including a center wall at least partially dividing the chamber into a primary chamber partially enclosed by the first housing portion and a secondary chamber partially enclosed by the second housing portion. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An inflator comprising:
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an elongated tubular housing at least in part defining a chamber, the housing including a first housing portion connected to a second housing portion by a plurality of structural crimp tabs each cut from a metal first housing wall of the first housing portion and crimped into locking position into a corresponding one of a plurality of receiver openings formed in the second housing portion to mechanically couple the first housing portion to the second housing portion; an initiator operatively associated with the chamber; and a bulkhead including the initiator, the bulkhead including a center wall at least partially dividing the chamber into a primary chamber partially enclosed by the first housing portion and a secondary chamber partially enclosed by the second housing portion. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An inflator comprising:
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an elongated tubular housing at least in part defining a chamber containing at least a first gas generant for forming a first inflation gas, the housing including a first housing portion mechanically coupled to a second housing portion by a plurality of tab protrusions formed from a first housing wall of the first housing portion each crimped into a corresponding one of a plurality of receiver openings formed in a second housing wall of the second housing portion to lock the first housing portion to the second housing portion, wherein the tab protrusions each comprise an angularly displaced tab portion of the first housing wall portion; an initiator operatively associated with the chamber; and a bulkhead including the initiator, the bulkhead including a center wall at least partially dividing the chamber into a primary chamber partially enclosed by the first housing portion and a secondary chamber partially enclosed by the second housing portion. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification