| 摘要 |
PROBLEM TO BE SOLVED: To enable the automatic production of a revolution sensor by means of an automatic assembling device, for improving the productivity and economic efficiency of the sensor. SOLUTION: A lubricating notch, through which lubrication oil is injected toward a washer from the outside of a housing used for constituting the revolution sensor, is formed at an appropriate position on the inner peripheral surface of the coupling shaft passing hole of the housing.
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