PROBLEM TO BE SOLVED: To simplify the structure of a weight selector by eliminating a hopper, or the like and work associated with the change of a conveyance speed of objects to be selected. ;SOLUTION: When an object P to be selected is detected by a passage detecting sensor 8a, a lock device 10a is unlocked, and the object P is pushed up by a loading part 77. When the weight of the object P is below a set value, a detection element 76 is detected by a weight judging sensor 9a and pushed out in the Y-direction by a discharge device to be discharged into a chute. When the weight of the object P is a set value or above, the element 76 is not detected by the sensor 9a, the discharge device is not actuated, and the object P is conveyed to the next weight selecting place to be selected similarly.;COPYRIGHT: (C)1999,JPO
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