Road structure – process – or apparatus – Traffic steering device or barrier
Reexamination Certificate
2007-09-04
2007-09-04
Addie, Raymond (Department: 3671)
Road structure, process, or apparatus
Traffic steering device or barrier
C404S009000
Reexamination Certificate
active
11386687
ABSTRACT:
A vehicle barrier system is provided, which features a security barricade, a hydraulic actuator for moving the barricade between open and closed positions, a pump, a DC motor for operating the pump, and a controller. In a first embodiment, the system features a rechargeable battery for powering movement of the barricade between the open and closed positions in normal operation mode, and a hydraulic accumulator for effecting movement of the barricade from the open to closed position in emergency operation mode. According to a second embodiment, the system features a rechargeable primary battery for powering movement of the barricade in normal operation mode, and a rechargeable secondary battery for effecting movement of the security barricade from open to closed position in emergency operation mode.
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Addie Raymond
Berenato White & Stavish
Nasatka Barrier, Inc.
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