| 摘要 |
PROBLEM TO BE SOLVED: To apply a device, which sucks a wall surface so as to carry out remote maintenance of the wall surface, onto a wall surface provided with a gap. SOLUTION: A wall face sucking mechanism 10 and a working tool 60 are separated from each other, an interval regulating device is arranged in the wall face sucking mechanism 10, and the working tool 60 is provided with a device sliding it in the lateral direction in a main body frame 30 and a hanging tool hanging the main body frame 30. The wall face sucking mechanism 10 or the working tool 60 can be optionally replaced. The wall face sucking mechanism 10 and the working tool 60 are connected together via a connecting arm 40 provided with a device transmitting the wall face pressing force so that their positions can be freely exchanged mutually. |
