Patent ID: 6530261
Filing Date: 2003-03-11
Classification: B60T,G01M

Abstract:
A trailer brake test device comprising:a control hub; a control pendent remote from said control hub; said control hub having a power source, a first air valve having a first air chamber and a second air valve having a second air chamber; said control pendent having a pressure gauge, a first on-off switch in electrical communication with said first air valve, and a second on-off switch in electrical communication with said second air valve; a compressed air supply line in fluid communication with said first air chamber; an inter-valve air line in fluid communication with said first air chamber when said first air valve is open and in fluid communication with said second air chamber; a trailer air line in fluid communication with said second air chamber; an exhaust air line in fluid communication with atmosphere through said second air chamber when said second air valve is in an exhaust mode; and a secondary air line providing fluid communication between said control pendent and said second air chamber.