Patent ID: 7490554
Filing Date: 2009-02-17
Classification: F42C,F42D

Abstract:
1. An initiator assembly comprising: (a) a triggering device having a barrel comprising an output end and an interior surface, the barrel having disposed therein an internal positioning member and a firing mechanism comprising a firing pin; (b) an initiation fixture is of unitary construction whereby no part thereof is movable relative to any other part thereof, and the initiation fixture is secured to the triggering device and comprises: (i) a cylindrical body member having an external surface and a nose portion terminating in a firing face, the body member being configured to be received longitudinally within the barrel of the triggering device at the output end thereof,(ii) a longitudinal internal passage extending through the body member, (iii) an external positioning member disposed on the external surface of the body member and engaging the internal positioning member, thereby positioning the body member at a predetermined position within the barrel, and (iv) an initiation charge disposed within the longitudinal internal passage at the firing face of the body member and exposed to the firing pin of the firing mechanism; (c) a signal-transmission fuse secured to and extending from the body member and having an input end disposed in signal-transfer relation to the initiation charge, and an opposite output end; and wherein the internal positioning member comprises internal threads of the barrel and the external positioning member comprises external threads on the nose portion of the body member, the external threads being dimensioned and configured to threadably engage the internal threads of the barrel.