Patent ID: 7784475

Claim:
A vehicle treatment apparatus for a vehicle cleaning system, comprising: a frame structure having a pair of vertical side supports that are spaced apart from one another; a generally horizontal treatment member extending between said pair of vertical side supports and having a first end and a second end, said generally horizontal treatment member being configured to communicate with a vehicle disposed thereunder; a retention mechanism formed in each of said pair of vertical side supports for engaging a respective one of said first end and said second end of said generally horizontal treatment member; said generally horizontal treatment member in communication with a controller to allow substantially vertical movement within each of said retention mechanism from a home position to at least one lower position where it communicates with the vehicle; whereby if a force applied to said generally horizontal treatment member is sufficient to dislodge one or both of said first end and said second end from said respective retention mechanism, said generally horizontal treatment member moves vertically upward to reset said one or more dislodged ends into the retention mechanism for subsequent application.