Mechanical crash sensor

A mechanical sensor for a passenger restraint system e.g. an air bag in a vehicle, includes several primers 66 for activating a gas generating component, and trigger means for setting the primers off in response to a velocity change. The sensor also includes an inertial mass 40 for sensing the chang...

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Bibliographische Detailangaben
Hauptverfasser:	ALLEN BREED, TORBJORN THUEN
Format:	Patent
Sprache:	eng
Schlagworte:	INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	A mechanical sensor for a passenger restraint system e.g. an air bag in a vehicle, includes several primers 66 for activating a gas generating component, and trigger means for setting the primers off in response to a velocity change. The sensor also includes an inertial mass 40 for sensing the change in velocity. When the vehicle is involved in a crash the mass 40 moves a lever 52 against the biassing force of a spring. This releases members 62, (74) so that spikes 64 strike primers 66. A surface 88 on an insert 16 prevents movement of the lever 52 until the sensor has been armed by insertion into a cavity in the restraint system (120).