| 摘要 |
PURPOSE: A pent roof of a roof structure is provided to maintain agreeable internal environment by preventing greenhouse effect from being generated inside. CONSTITUTION: A pent roof of a roof structure comprises a roof structure, a universal joint(210), a pulley(211) and a pent roof(214). The roof structure is composed of a post member, a sheet frame, and a plurality of roof sheets. The post member is erectly laid at constant intervals. The seat frame forms a foundation. The roof sheet is mounted on the upper side of the seat frame. The universal joint is supported on the both ends of the roof structure by a shaft support and is rotated by a motor(213). The pulley is coupled on the universal joint and drives the wire(212). The pent roof is located on the upper part of the roof structure. |
