Land vehicles – Wheeled – Attachment
Patent
1994-01-18
1995-10-17
Tyson, Karin L.
Land vehicles
Wheeled
Attachment
280734, 180282, B60R 2126
Patent
active
054583683
ABSTRACT:
An apparatus for sensing the force of a collision and actuating a vehicle occupant restraint system in response thereto. An actuator piston is slidably mounted within a restraint system module and is disposed intermediate a source of pressurized gas and an inflatable occupant restraint. The actuator piston is maintained in position by a frangible sensor shaft intermediate the source of pressurized gas and the inflatable occupant restraint system. A sensor weight is annularly disposed about the frangible sensor shaft. The sensor weight comprises a non-uniform mass which, when subject to the inertial force of a collision, will transmit a shearing force to the surface of the sensor shaft which is sufficient to fracture or otherwise disrupt the structural integrity of the sensor shaft. When the supporting force imposed upon the actuator piston by the sensor shaft is eliminated, the actuator piston is slidably repositioned thereby opening a conduit intermediate the source of pressurized gas and the inflatable vehicle occupant restraint.
REFERENCES:
patent: 3288067 (1966-11-01), Madlener et al.
patent: 3744816 (1973-07-01), Yamaguchi et al.
patent: 5152550 (1992-10-01), Hoagland et al.
patent: 5230532 (1993-07-01), Blumenthal et al.
patent: 5362099 (1994-11-01), Fohl
Ellis Christopher
Painter Michael A.
Tyson Karin L.
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