| 摘要 |
PROBLEM TO BE SOLVED: To provide an attic space ventilating device capable of easily opening/closing a roof fin with simple constitution and efficiently ventilating an attic space in a short time. SOLUTION: The attic space ventilating device disposed at the top of the attic space is provided with a roof gate 30 having an exhaust opening 32, a pair of bearing parts 34 provided on the outside of both ends in the longitudinal direction of the exhaust opening 32, and a fin engaging surface 35 formed at the bottom face part; the roof fin 40 turnably supported to both bearing parts 34 of the gate 30 through an elliptical hollow shaft 44; and a rotating drive part 50 having a hollow shaft driving member 51 inserted in one end of the hollow shaft 44 and rotatable while coming in sliding contact with an internal surface 45 of the hollow shaft 44, and turning the hollow shaft 44 through the hollow shaft driving member 51. Each bearing part 34 of the roof gate is provided with a pressing locking surface 37 for displacing the fin 40 in a direction to come in close contact with the fin engaging surface 35 and maintaining the close contact state when the hollow shaft 44 is turned and displace the fin 40 into close contact with the fin engaging surface 35. COPYRIGHT: (C)2006,JPO&NCIPI
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