| 摘要 |
A posterior carapace and an anterior carapace are fitted snugly on the scalp and peripheral facial areas, respectively, so that relative movement of the carapaces toward and away from each other causes corresponding movement of the skin underlying the carapaces. A motorized crank on one carapace and connecting tether from the other carapace provides the reciprocating movement which is 180.degree. out of phase. |
