Geometrical instruments – Area integrators – Electrical
Patent
1977-04-22
1978-10-31
Stearns, Richard R.
Geometrical instruments
Area integrators
Electrical
33174PC, G01B 700
Patent
active
041226089
ABSTRACT:
An improved tube feeler for an instrument which measures the position of points along straight portions of a preformed tube, rod or pipe. The improved tube feeler is rotatably mounted on an offset end portion of the carrier of the instrument. A pair of movable plates having facing tube-engaging surfaces are mounted on a base for movement toward and away from each other to bring the tube-engaging surfaces into contact with opposite sides of the tube. When the tube-engaging surfaces of the pair of plates engage the surface of the tube, an intersection of the projections of a first and a second axis of the instrument intersect the centerline of the tube.
REFERENCES:
patent: 3944798 (1976-03-01), Eaton
Stearns Richard R.
Teledyne Industries Inc.
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