GAS GENERATOR
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United States of America Patent
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app pub date -
Apr 5, 2016
filing date -
Apr 24, 2015
priority date (Note) -
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Abstract
The present invention provides a gas generator including, in a cylindrical housing, a gas generation chamber accommodating a gas generating agent and an ignition device, the ignition device being disposed at a first end surface of the cylindrical housing, and a second end surface, which is axially opposite to the first end surface, being closed by a closing member, the closing member having a fragile portion formed such that a part thereof is ruptured when the first surface on the side of the gas generation chamber receives a pressure of a gas including a combustion gas, and the ruptured portion is bent and opened to the axially opposite side of the first surface, a gas discharge port for the combustion gas being formed by the ruptured portion which is bent and opened from a surface of a non-ruptured portion after the part of the closing member is ruptured along the fragile portion, a control device restricting an angle between the second surface of the closing member and the bent ruptured portion to be 5 degrees to 85 degrees, the control device being a member which is adjusted to have such a distance that the bent ruptured portion is in contact therewith, or a support portion which is formed to protrude from the second surface of the closing member at a position such as to be in contact with the ruptured portion.
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