A grip force sensation feedback device including a first rotary member that has an outer peripheral surface including a part of a first virtual conical surface, the first rotary member being rotated around a first cone axis a second rotary member that has an opposed surface which includes a part of a second virtual conical surface and which is opposed to the outer peripheral surface of the first rotary member, the second rotary member being rotated around a second cone axis a wire that has both end portions connected to the second rotary member and that has a central portion wound around the first rotary member and a driving portion that provides a force sensation feedback to a finger of a user in contact with the second rotary member by rotating the first rotary member and thereby causing a rotation of the second rotary member.
