Patent ID: 7484448
Filing Date: 2009-02-03
Classification: B60R,F42B

Abstract:
1. A pyrotechnic release unit comprising: a generally tubular casing having an open rear end and an open front end and adapted to be secured to one of a pair of separable vehicle parts, the casing being formed at the rear end with a forwardly directed shoulder face; a pin releasably retained in the front end of the casing and adapted to be secured to the other of the pair of separable vehicle parts; a support plug fittable through the rear end into the casing, formed with a rearwardly directed shoulder face, and carrying a pyrotechnic charge turned toward the front end; and a washer through which the plug extends, bearing rearward on the shoulder face of the casing and forward on the shoulder face of the support plug, and sufficiently strong that on explosion of the charge the support plug remains fixed in the casing and the pin is blown out of the front end of the casing.