US Patent 9766258 Carrying apparatus

A carrying apparatus includes a holder which houses an object to be carried and which comprises a holder side member; a carrying path which guides the movement of the holder; a helical member which generates, between the holder side member and the helical member, a first force in a direction to depart from the holder side member or a second force to attract the holder side member and which is disposed along the carrying path; and a rotation unit which rotates the helical member.