| 摘要 |
PROBLEM TO BE SOLVED: To provide the rail mounting/demounting device for a rail cutting device, each rotational abutting body of which is so designed as to be mounted to/demounted from a rail only by the direct action of each direct acting driving body. SOLUTION: Since a roller 15 of each axial body 11 is windingly guided to a guiding groove of each guiding body 16 provided for the direct acting bodies 3 and 4 of a main body 1, each rotational abutting body 10 is so designed as to be mounted to/demounted from a rail 13 only by the direct action of each direct acting driving body 3 and 4. |
