Patent ID: 8171945

Claim:
A vehicle wash system comprising: a frame having at least two substantially vertical guiding supports each defining a separate vertical guide axis having an uppermost extent and lowermost extent; a first treatment unit connected to a vertical guiding support to be movable along a vertical guiding axis between a maximum and minimum vertical point; a second treatment unit connected to a vertical guiding support to be movable along a respective vertical guiding axis between the uppermost extent and lowermost extent, wherein said second treatment unit is heavier than said first treatment unit; a flexible connector joining said first and second treatment unit; and a motor configured to move said flexible connector thereby moving said second treatment unit in a downward direction along the vertical guiding axis or in an upward direction along the vertical guiding axis when said first treatment unit is either fixed at a position by locking means or positioned at the uppermost extent, and moving said first treatment unit in an upward direction along the vertical guiding axis or in a downward direction along said vertical guiding axis when said second treatment unit is either at a fixed position by locking means or positioned at the lowermost extent.