Ignition device for a passive retention system

Details Ignition device for a passive retention system Ignition device for a passive retention system

1977-07-19

1979-10-16

Pendegrass, Verlin R.

Ammunition and explosives

Igniting devices and systems

200 511, 339 19, H01R 3108, F42B 318

Patent

active

041709390

ABSTRACT:
An ignition device for a passive retention system, especially in motor vehicles, in which an ignition unit arranged in a housing includes two plug pins which freely project on one side with their free end out of a casing and which are intended for slidingly receiving thereon a plug coupling, while the two plug pins are connected at the other end with an incandescent bridge and are surrounded by an ignition or primer mixture disposed inside of a casing; protective contact means are provided which protect the plug pins against electrostatic charges by short-circuiting the same prior to the emplacement of the plug coupling on the plug pins; the protective contact means consist of an essentially U-shaped elastic clamp which electrically conductively connects with each other the plug pins, when the plug coupling is not inserted, and which is automatically opened, when the plug coupling is inserted, in such a manner that the clamp interrupts the contact between the plug pins only when the regular ignition circuit has already been established.

REFERENCES:
patent: 3370140 (1968-02-01), Betts
patent: 3695179 (1972-10-01), Rainone et al.

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