Gas generator and assembling method thereof
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United States of America Patent
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Aug 15, 2017
Issued Date -
N/A
app pub date -
Mar 7, 2016
filing date -
Oct 4, 2012
priority date (Note) -
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Abstract
The present invention provides a gas generator, including:
- a housing with a gas discharge port;an igniter assembly and a gas generating agent in the housing; anda metallic cup of constant inner diameter covering the igniter to define a charging chamber. The igniter assembly includes a main body, including an ignition portion and a electro-conductive pin integrated with a metallic collar by a resin. The metallic collar has a fixing portion inserted into a hole in a bottom surface of the housing and a remaining portion projecting inward from the bottom surface of the housing, and a guide portion. An inner circumferential wall surface of the metallic cup and an outer circumferential wall surface of the fixing portion are press-fitted, and an annular gap is formed between the inner circumferential wall of the metallic cup member and an outer circumferential wall surface of the guide portion.
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