A robot hand devi ce (1 0 ) port i ons (1 2 ) and a dr i v i ng un i t compri ses mu l t i p l e ho l d i ng ( 1 3 ) . Each o f the ho l d i ng port i ons (1 2 ) has a spi ra l port i on (1 5 ) and a rotat i ng shaf t (1 4 ), wh i ch i s movabl y connected to the dr i v i ng un i t (1 3 ). Each o f the ho l d i ng port i ons ( 1 2 ) i s rotated by the dr i v i ng uni t (1 3 ) around a center ax i s o f the rotat i ng shaf t (14) i n synchroni sm wi th one another , so that an accommodat i on space (C l) i s operat i ve l y f ormed by the mu l t i p l e ho l d i ng port i ons (1 2 ) . A phys i ca l body (F) i s concurrent l y accommodated and he l d i n the accommodat i on space (Cl), when the accommodat i on space (Cl) i s f ormed by the mu l t i p l e ho l d i ng port i ons (1 2 ).
