| 摘要 |
PROBLEM TO BE SOLVED: To clean a curved glass of a different shape without any trouble by stacking the linear parts of a first and a second brush together, when the recessed curve part of the first brush and a projecting curve part of the second brush abut on the both faces of the curved glass respectively. SOLUTION: An upper brush 14 or a first brush has a recessed curve 14a formed along an upper shaft 16 around its circumference and a linear part 14b having linear outer face is formed in both sides of the recessed curve face. A lower brush 15 or a second brush has a projecting curve part 15a formed along a lower shaft 17 around its circumference and a linear part 15b having a linear outer face is formed in both sides of the projecting curve part. The linear parts 14b, 15b of the upper/lower brushes 14, 15 are stacked together and the stacked thickness of the linear parts 14b, 15b is set large. This constitution enables the cleaning of a curved-face glass of a different shape without causing any trouble in carrying the curved glass.
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