| 摘要 |
PURPOSE: A revolving door is provided to protect users' feet from being caught in between a rotary door and a doorframe. CONSTITUTION: The revolving door(300) comprises: many rotary doors(40), whose fixed sides are fastened to a rotary shaft(9) erected on the ground to rotate, provided with a glass plate(43) and a frame(44) fixed along the edge of the glass plate(43); and two doorframes(30) covering up the rotary doors(40) to contact with free sides of the rotary doors(40) which revolve around the rotary shaft(9) and fixed on a wall(2). A user enters to a primary passage formed by two doorframes(30), walks along the rotary doors(40) and goes out through a secondary passage formed by two doorframes(30). Wherein a corner, where a vertical side of the doorframe(30) forming a passage and a horizontal side of the doorframe(30) corresponding to the ground are met, is cut off(32), and a corner, where a free side of the rotary door(40) and a horizontal side of the rotary door(40) corresponding to the ground are met, is cut off(42).
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