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