Land vehicles – Wheeled – Running gear
Reexamination Certificate
2005-06-01
2008-10-14
To, Toan (Department: 3616)
Land vehicles
Wheeled
Running gear
C280S775000, C074S493000
Reexamination Certificate
active
07434840
ABSTRACT:
A steering column assembly includes a steering column having a selectively collapsible structure that enables said column to collapse in the event of an impact force resulting from a vehicle crash. An adaptive energy absorbing device is associated with said column and operates in a first condition to absorb a first level of energy of the collapsing column and in a second condition to absorb a second level of energy of the collapsing column. The assembly includes a telltale detection device that is associated with the adaptive energy absorbing device and is responsive to a change in condition of the energy absorbing device prior to a collapse event to provide a signal to a user of the condition of the energy absorbing device.
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Armstrong Ray G.
Jwalapathy Ravindra
Manwaring Marvin V.
Riefe Richard K.
Stearns Robert L.
Delphi Technologies Inc.
Gooden, Jr. Barry
Smith Michael D.
To Toan
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