To easily arrange a cable of a cable coiling changing device and a base member on a frame.

The cable coiling changing device 15 is arranged on a frame 102 between first and second cables 20, 21 having first and second inner cables 20a, 21a and first and second outer casings 20b, 21b respectively, and comprises a base member 22, first and second coiling bodies 23, 24, and first and second outer locking parts 25, 26. The first coiling body is turnably attached to the base member and capable of coiling the first inner cable. The second coiling body is turnably attached to the base member integrally with the first coiling body, and capable of coiling the second inner cable, and interlocked with the first coiling body, and a part of the coiling radius is larger than the first coiling body. The first outer locking part is arranged on the base member to lock the first outer casing. The second outer locking part is arranged on the base member toward a rotary shaft of the second coiling body to lock the second outer casing.