| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a combined weighing device capable of accurately detecting whether or not articles are reserved in pool hoppers. Ž<P>SOLUTION: The pool hoppers 4 are rotatably provided at a side wall 4W containing a reserved article 100 and below the side wall 4W and have gates 4G1, 4G2 supporting the reserved article 100 from lower side in a closed state and discharging the reserved article 100 in an open state, notches 25, 26 for not shading an optical axis M1 of a light projector 11T1 due to the rotation of the gates 4G1, 4G2 are formed in the gates 4G1, 4G2, and an optical sensor 11 detects the reservation state of the article 100 by whether or not emission light LT1 projected by the light projector 11T1 toward the notch 25 is received by a light receiving portion 11R1. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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