| 摘要 |
PROBLEM TO BE SOLVED: To provide a boarding bridge having a structure more sturdy than a slat curtain to cover the side part of a cab without covering the entrance passage of the cab during the rotation of the cab.SOLUTION: A boarding bridge includes a planar-view circular inner wall 31 arranged on the side part of a cab 20, and an outer wall 32 movable forward and backward. On the outer wall 32, a guide plate is provided in which a guide groove is formed. On a root portion 31b of the inner wall 31, a cam follower is provided which is inserted into the guide groove. A front end 31f of the inner wall 31 is rockably supported via a hinge 36 on a supporting column 35. |
