U.S. Philips Corporation

Arnoldus R Schout

Johannes C Muller

For measuring single flank error, the toothed wheels are secured onto respective shafts, so that the toothed wheels intermesh. Each shaft has a disk on it having a diameter equal to the diameter of the respective toothed wheel, and a single length of wire or tape is wound around the first of the disks, over a measuring disk disposed on a displaceable carriage, and then around the other of the disks. Upon rotation of the toothed wheels, the carriage moves to maintain the wire or tape taut, and rotation of the measuring disk provides a measure of the single flank error.

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Eindhoven, Netherlands

Arnoldus R Schout