| 摘要 |
PURPOSE:To reduce the number of part items and assembling manhours so as to reduce the manufacturing cost. CONSTITUTION:Fitting pieces 25a, 25a are formed at the peripheral edge part of the opening 9a of a bag 6a, and the respective fitting pieces 25a, 25a and the brackets 12a, 12a of a cover 7 are fitted to supporting walls 18a, 18a formed at a housing 4a. This fitting is performed by the same bolts 21, 21. |
