(57) Abstract Objective tenshiyo of the conveyer which is provided in the metal detection machineThe occasion where you adjust n, detection of the detection head and the like which does metal detectionTension be able to adjust without producing effect, the plateThis tension adjustment can be done easily. Constitution Parallel to conveyer 31 knob attaching volt/bolt 2 facilitiesThe ke and others re, as for this knob attaching volt/bolt 2 being revolution unrestricted, in portable stick 3 the spiral shellfishConjunction it has done. As for portable stick 3 fixed axle 36of a trailing roller 36We to be touching, with revolution of knob attaching volt/bolt 2 this fixed axle 36Making a move parallel, variable it does conveyer tension. It is dense,When being, as for knob attaching volt/bolt 2 it turns only, at the same time as for the portable stickBecause it is the plastic make, the gold outside for the detection headThere is no movement of being attached ones and does not have an influence on detection.
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