Apparatus for checking alignment of tandem flangeless monorail w

Details Apparatus for checking alignment of tandem flangeless monorail w Apparatus for checking alignment of tandem flangeless monorail w

1984-07-23

1985-10-08

Haroian, Harry N.

Geometrical instruments

Gauge

Wheel

3320318, G01B 330, G01B 5255

Patent

active

045451281

ABSTRACT:
On a truck comprising tandem flangeless wheels riding on a single rail and four guide rollers rotatable on vertical axes, two at each side of the rail, crabbing and turning misalignments of the wheels are diagnosed from information about which rollers rotate during truck movement in each direction along the rail. For obtaining that information, a small reflective spot is delineated at an eccentric location on the upper surface of each roller, and a photoelectric sensor for each roller, magnetically attached to the truck, has its optical axis aimed at the orbit of the spot to issue an electrical impulse for each roller rotation. A signal device connected to each sensor issues a perceptible signal for each impulse. The signal devices are at a single console to facilitate comparisons of the number of revolutions made by the several rollers during a truck movement.

REFERENCES:
patent: 4096636 (1978-06-01), Little

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