Measuring and testing – Vibration – By mechanical waves
Patent
1998-12-23
1999-09-28
Brock, Michael
Measuring and testing
Vibration
By mechanical waves
738665, 73649, G01N 924
Patent
active
059592117
ABSTRACT:
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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Filev Dimitar
Migda Francis Michael
Pearson Thomas Eric
Wagner Richard Joseph
Brock Michael
Ford Global Technologies Inc.
May Roger L.
Tran Thuy Vinh
Wilkinson Donald A.
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