Importance

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Abstract

In this underbody washing device for motor vehicles, on a frame which is movable relative to the vehicle (F) in the latter's longitudinal direction (L) there are provided two pairs of spraying arms (3a, 3b; 4a, 4b) fitted with multiple spray nozzles, which arms are each pivotably disposed about a vertical pivoting axis (A1, A2) near to the ground on opposing sides (1a, 1b) of the frame. To the spraying arms (3a, 3b; 4a, 4b) are assigned actuating motors (6a, 6b), by means of which the spraying arms can be swung in under the base of the vehicle into their swung-in position running transversely to the longitudinal direction of the vehicle (L) and swung out into a second, swung-out position running parallel to the longitudinal direction of the vehicle (L). In addition, there is provided a control device (7) which detects the vehicle wheels (R) and acts on the actuating motors (6a, 6b), by means of which control device the spraying arms are drivable by the actuating motors in such a way that each of the spraying arms (3a, 3b; 4a, 4b) may be swung out from its swung-in position into its swung-out position before reaching a vehicle wheel (R), is held in its swung-out position while passing the vehicle wheel, and can be brought back into its swung-in position after passing the vehicle wheel.

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First Claim