It is still another object of the present invention to provide a conveying system which allows an object to smoothly travel along the conveying route by absorbing an excessive force imposed on the object by means of the swing of rollers even when there is {HEAD ~ an error} in mounting {TAIL ~ a driven portion} on the object 
in mounting
It is still another object of the present invention to provide a conveying system which allows an object to smoothly travel along the conveying route by absorbing an excessive force imposed on the object by means of the swing of rollers even when there is { HEAD ~ an error } in mounting { TAIL ~ a driven portion } on the object
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