Geometrical instruments – Gauge – Wheel
Patent
1990-05-02
1992-07-14
Raevis, R.
Geometrical instruments
Gauge
Wheel
G01B 524
Patent
active
051291495
ABSTRACT:
A sideslip meter includes first and second parallel runways. The first runway has a measurement plate movable laterally with respect to the direction of travel of the vehicle along the runway as a tire of said vehicle passes over the measurement plate. A lateral movement sensor senses the amount of lateral movement of the measurement plate and provides a corresponding output signal. First and second switches are spaced along the first runway. Each switch is actuated by the passage of a vehicle tire so that passage of the vehicle causes first one and then the other of the switches to be actuated. A display is provided for displaying information concerning lateral movement of the measurement plate. A control circuit determines vehicle velocity and vehicle direction from the actuations of the first and second switches and inhibits the display if the velocity is too fast or too slow, or if the vehicle is going backwards over the runways. The control circuit, by keeping track of the switch closures, also determines whether the front axle or rear axle sideslip is being measured.
REFERENCES:
patent: 1487759 (1924-03-01), Skinner
patent: 1665161 (1928-04-01), Frazier
patent: 1883180 (1932-10-01), Weaver
patent: 1890218 (1932-12-01), Duby
patent: 1950994 (1934-03-01), Musselman
patent: 3905120 (1975-09-01), Butler
Colarelli, III Nicholas J.
Marting Paul G.
Hunter Engineering Company
Raevis R.
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