Coating apparatus – Control means responsive to a randomly occurring sensed... – Responsive to attribute – absence or presence of work
Patent
1990-06-21
1991-12-31
Hoag, Willard E.
Coating apparatus
Control means responsive to a randomly occurring sensed...
Responsive to attribute, absence or presence of work
118677, 118686, 118 58, 118109, 118110, 118244, 118258, B05C 102, B60S 306
Patent
active
050762028
ABSTRACT:
An apparatus for waxing vehicles for use in conjunction with commercial "car wash" operations. Vehicles are transported by a chain driven conveyor mechanism through a wax application station, passed to a second conveyor mechanism for movement through a drying station, and on to a third conveyor mechanism for passage through a polishing station. A computer system controls the waxing process and operates various pneumatic positioning devices, positioning wax application heads, drying blowers, and polishing heads adjacent the vehicle, a using knowledge of the size, shape, and dimensional parameters of the vehicle. These parameters are stored within the computer system according to manufacturer, model, and year, specified when the vehicle enters the apparatus. Wax application heads used in the wax application station and polishing heads used in the polishing station operate in a circular pressure-sensitive manner resembling the hand orbital waxing motion used to manually wax a car, and air cylinders on each head drive a rotating-translating shaft which urges the head against the car. The wax application heads have removable porous pads over a grooved rubber mandrel head, and apply liquid wax flowing in the grooves to the car. Electromagnetic sensors located on each wax application head inhibit the application of wax to non-metallic areas of the car by inhibiting the flow of wax and causing the head to retract from the vehicle. The polishing or buffing heads are similar, but apply to wax.
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