(1)座板,; (2)簾板,; (3)按鈕開關(guān); (4)手動速放裝置,; (5)導軌,; (6)門楣,; (7)限位器; (8)鏈輪,; (9)卷門機,; (10)控制箱; (11)箱體,; (12)卷軸,; (13)支座 (14)電機