Ford Global Technolgoies, LLC

Richard Joseph Wagner

Dimitar Petrov Filev

Thomas E Pearson

Francis Michael Migda

Typically, paint film thickness is measured at a plurality of locations on a vehicle body by a hand-held sensor which is positioned by an operator at a position normal to the respective locations being sensed. This operation may be inaccurate and time-consuming because substantial reliance is placed upon the operator. The invention provides an apparatus for positioning a plurality of sensors in contact with a plurality of locations, respectively, on a non-planar surface such that each sensor is positioned normal to the non-planar surface at the respective location on the surface. The apparatus includes a movable fixture and a plurality of pistons carried by the movable fixture. Each of the pistons is movable independently with respect to the fixture. Each piston includes a distal end, and a sensor is pivotally mounted to each distal end. Each distal end is spring-biased away from the fixture, and each sensor includes at least two contact points for contacting the non-planar surface on opposing sides of the respective location for orienting the sensor in a position normal to the non-planar surface at the respective location.

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Williamston, MI, United States of America

Richard Joseph Wagner