Patent ID: 8601632
Filing Date: 2013-12-10
Classification: B60S

Abstract:
1. A vehicle washing apparatus with a movable brush arm carriage, comprising: a carriage frame for suspending above a passing vehicle, the carriage frame having a length that is wider than a width of a passing vehicle; a brush arm carriage slidably connected with the carriage frame; a carriage drive system connected with the carriage frame and the brush arm carriage for causing the brush arm carriage to slide along the length of the carriage frame; a brush arm rotatably connected with the brush arm carriage; a cleaning brush rotatably connected with the brush arm; a brush drive system for causing the cleaning brush to rotate; and wherein the brush arm has a brush arm axis, and wherein the brush arm is connected with the carriage frame such that an angle of incidence exists between the brush arm axis and a ground surface, with the angle of incidence being greater than zero degrees and less than 90 degrees, whereby the angle of incidence causes the cleaning brush to be gravity fed toward a passing vehicle.