| 摘要 |
PROBLEM TO BE SOLVED: To provide a working fixture for easily working a groove of the exterior wall of the inside corner part of a building, and the exterior wall under an eave trough or the like, of which the mechanical working is said to be difficult heretofore. SOLUTION: The working fixture 1 has such a structure that a rotary cutting tool 2 for grooving in the surface of the exterior wall of a building is attached to the substrate 3 capable of closely coming into contact with the exterior wall through a frame 4 so as to be inclined at 50-70°and a notch part 7 is provided on the substrate 3 adjacent to the rotary blade 5 provided at the leading end of the rotary cutting tool 2 at a predetermined position. COPYRIGHT: (C)2004,JPO
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