Patent ID: 8550001
Filing Date: 2013-10-08
Classification: F42C,H01M

Abstract:
1. An inertial igniter comprising: a body having a base and three or more posts extending from the base, each of the three or more posts having a hole; at least one locking ball corresponding to each of the three of more posts, wherein a first portion of the locking balls are disposed in the hole; a striker mass movably disposed relative to the three or more posts and having a surface corresponding to each of the three or more posts, the movement of the striker mass being guided by the surfaces, the striker mass further having a concave portion corresponding to each of the locking balls, wherein a second portion of each locking ball is disposed in a corresponding concave portion for retaining the striker mass relative to the three or more posts; a collar movable relative to the three or more posts; and a biasing element for biasing the collar in a first position which retains the locking balls within the concave portions, the biasing element permitting movement of the collar to a second position in which the locking balls can be released from the concave portions to release the striker mass relative to the three or more posts upon a predetermined acceleration profile experienced by the body.