| 摘要 |
PROBLEM TO BE SOLVED: To provide a sound insulation curtain device for a construction machine preventing the machine operation sound from leaking to the outside as noise and capable of removing or winding up the curtail and containing in a storage when the soundproof curtail is not necessary. SOLUTION: A plurality of hooks 12 are fixed substantially horizontally with every appropriate distance to the cover 9 part in the upper side of the opening 9a, and a fitting pipe is inserted in the upper side pipe insertion part of the sound insulation curtains13, 14, 15 and further, an incision part is formed in the position corresponding to the fixed part of the hook in the upper side pipe insertion section to disclose respective fitting parts in the fitting pipe, further, a superposing pipe is inserted in the lower side pipe insertion part of the sound insulation curtains 13, 14, 15 and the respective fitting parts are respectively hooked to the corresponding hooks 12. Thereby, the inside machine operation sounds are prevented from leaking outside as noise. When suspension of the sound insulation curtains 13, 14, 15 is unnecessary, these curtains are removed or wound up to make them containable. COPYRIGHT: (C)2005,JPO&NCIPI
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