| 摘要 |
A rotational angle detecting sensor has a cylindrical housing including an end wall at a first end thereof. A covering member covers the second open end of the housing. A rotary shaft extends through the end wall of the housing and includes a large-diameter portion having a shoulder surface and rotatably received in the housing. A rotational angle detector is disposed between the inner surface of the covering member and the end surface of the large-diameter portion of the rotary shaft. An actuate groove is formed in the inner surface of the end wall of the housing concentrically with the rotary shaft. A stopper pin is attached to the shoulder surface of the large-diameter portion of the rotary shaft so as to be movable in the groove. The stopper pin abuts against the circumferential ends of the groove, thereby limiting the rotational range of the stopper pin.
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