| 摘要 |
The present invention includes a device for alerting the operator of a truck equipped with a dump bed when the tailgate is unsecured. In one embodiment, the device is connected to an existing "low air" alarm that indicates a rapid drop in air pressure in the air hoses of the brakes. Thus, when the tailgate is unsecured, air pressure in the air hoses drops and a warning indicator alerts the operator of the existence of a dangerous condition. The alarm is deactivated by properly securing the tailgate. In another embodiment, an electrical switch connected to the mechanism that secures the tailgate. An alarm signal is provided to the operator when the mechanism is not properly securing the tailgate. The invention also includes a method for bleeding air from the air system that operates brakes of a dump truck to cause the "low air" alarm to be actuated.
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