4. Geometrical instruments
  5. Straight-line light ray type
  6. Alignment device

David H. Duey

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Apparatus and method for aligning machine platens

Optics: measuring and testing – By alignment in lateral direction – With light detector
Patent

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Apparatus for measuring the accuracy of parallel platen tie bars

Geometrical instruments – Straight-line light ray type – Alignment device
Patent

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Laser apparatus and method for aligning a crankpin grinding mach

Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent

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Profile ID: LFUS-PAI-P-526941

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