ROTATING SPEED DETECTOR FOR VEHICLE AND ITS PICKUP SENSOR

摘要

A wheel revolution detecting device comprises a sensor rotor fixed to a wheel and coaxial with a rotation axis thereof and having circumferetially continuous irregularities on a peripheral surface thereof, and a pickup sensor fixed to a vehicle body and including a detecting part disposed near the irregularities of the sensor rotor, the detecting part having an end face inclined with respect to a longitudinal axis thereof.