| 摘要 |
PURPOSE: To keep a sufficient vibration-proof characteristic and enable an upper case and a lower case to be mounted with a small spacing being left between them by a method wherein a packing member is held between brackets arranged at an upper edge of the tower case and a tower edge of the upper case, lateral channel members are fixed to the brackets and a compression or resilient coil spring with a guide bolt passing through these members being applied as a central axis is arranged. CONSTITUTION: A bracket member 12 is arranged at the upper edge of a coil case 1 and a bracket member 13 is arranged at a lower edge of a fan case 2. A resilient packing member 14 is inserted between horizontal walls 12a, 13a of the bracket plates 12, 13. A channel member 15 is connected to the lower surface of the horizontal wall 13a of the bracket 13 and its lower wall 15b is positioned with a slight clearance below the horizontal wall 12a of the bracket 12. Then, a guide bolt 16 is passed through the horizontal wall 12a and a lower wall 15b. A spring 17 is installed at the lower surface of the lower wall 15b and fixed by a lock nut 19. As a result, vibration of a fan case 2 is not transmitted to a coil case 1 due to a presence of the packing member 14 and the spring 17. |
