a sole size adjusting device including a third motor connected with {HEAD ~ an eccentric pin} fitted in {TAIL ~ a slot} of a sliding seat, said sliding seat being provided at both ends with a notch engaged a block which is fixedly mounted on said slider 
a sole size adjusting device including a third motor connected with { HEAD ~ an eccentric pin } fitted in { TAIL ~ a slot } of a sliding seat , said sliding seat being provided at both ends with a notch engaged a block which is fixedly mounted on said slider
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH