AGRICULTURAL HOUSE HAVING SHEET ROOF, WINDING AND UNWINDING APPARATUS FOR SHEET AND GUIDE FOR WINDING AND UNWINDING OF SHEET

摘要

PURPOSE:To facilitate the opening and closure of a roof by rotatably supporting a winding shaft of a roof sheet in a specific state with a guide. CONSTITUTION:An end of a sheet 5 is fixed to a side of a roof frame 2 to form a roof and the other end of the sheet is wound on a winding shaft 8. The winding shaft is rotatably supported by guides 9, 9a on the wound sheet interposing the sheet. The guide is pulled toward the other side of the roof frame with a pulling member having a wire 14, a bearing 15 and a weight 13.