Mechanical delay mechanisms for inertial igniters for thermal batteries and the like
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United States of America Patent
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Sep 15, 2009
Grant Date -
Feb 21, 2008
app pub date -
Aug 2, 2007
filing date -
Aug 2, 2006
priority date (Note) -
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Abstract
An inertia igniter including: a housing; and a movable striker supported by first and second stages, the first stage having a first locking element for releasing the second stage upon a first predetermined acceleration of the housing and the second stage having a second locking element for releasing the striker upon a second predetermined acceleration of the housing greater than the first predetermined acceleration. Wherein the first and second locking elements of the first and second stages occupy a common cross-sectional volume along a longitudinal axis of the housing.
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