| 摘要 |
PROBLEM TO BE SOLVED: To securely fix a housing cover to a housing even when an impact pressure or a varying pressure is applied from the inside to the housing cover. SOLUTION: This fixed hook structure comprises a holding part 21 holding the housing 1 and the housing cover of an air cleaner for the engine in the axial direction by an elastic force and fixing the housing cover to the housing. A reinforcement plate 25 covering the outside of the holding part in the axial direction is fitted to a fixed hook 20. An axial clearance in such a range that, least, the holding part is installable to the housing and the housing cover and, maximally, the airtightness of the housing cover can be secured may be formed between the reinforcement plate and the holding part. Also, the reinforcement plate may be fixed to the fixed hook. On the other hand, the reinforcement plate can be formed in such a shape that can be axially fitted to the holding part. In addition, the reinforcement plate may be formed in such a shape that can be radially fitted to the holding part. COPYRIGHT: (C)2005,JPO&NCIPI
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