Land vehicles – Wheeled – Attachment
Patent
1990-11-13
1994-02-15
Tyson, Karin L.
Land vehicles
Wheeled
Attachment
280806, 137 45, 137115, 13762545, 1022752, B60R 2232
Patent
active
052860531
ABSTRACT:
An ignitable pyrotechnic transmission line, when ignited, actuates a vehicle safety device. A microdet receives a firing signal indicative of a vehicle collision and generates combustion products to ignite the pyrotechnic transmission line. A blocking member in the form of a slidable spool is interposed between the microdet and the pyrotechnic transmission line. The spool has a blocking position in which the spool prevents transmission of combustion products from the microdet to the pyrotechnic transmission line. The spool also has a non-blocking position in which the spool allows transmission of combustion products from the microdet to the pyrotechnic transmission line to ignite the pyrotechnic transmission line. The movement of the spool from the blocking position to the non-blocking position is controlled so that it moves only in the event of vehicle deceleration above a predetermined rate. Alternatively, the blocking member may be in the form of a pendulum interposed between the microdet and the pyrotechnic transmission line.
REFERENCES:
patent: 3663035 (1972-05-01), Norton
patent: 3792872 (1974-02-01), Jones
patent: 4699400 (1987-10-01), Adams et al.
Brown Louis R.
Lenzen Reiner
TRW Vehicle Safety Systems Inc.
Tyson Karin L.
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