| 摘要 |
PROBLEM TO BE SOLVED: To provide a toolbox for metal roofing work capable of stably being placed on a roof covered with sheet steel and of easily being carried and handled. SOLUTION: This toolbox for metal roofing work has a double bottom structure including an inner bottom plate and an outer bottom plate on the bottom part. The inner bottom plate is mounted in parallel with the upper aperture face of the toolbox. The outer bottom plate made of a low-permeability material is inclined so as to form a predetermined angle with the inner bottom plate. A permanent magnet is fixed on the upper surface of the outer bottom plate so as to head toward such a direction that the magnetic flux penetrates the outer bottom plate. COPYRIGHT: (C)2009,JPO&INPIT
|
