| 摘要 |
PURPOSE: An elevator door frame for automatically removing foreign materials is provided to prevent the malfunction due to the stuck of foreign material in a elevator door frame. CONSTITUTION: An elevator door frame(2) for a foreign material auto removal comprises a guide shoe(5). A brush(6) is attached to the guide shoe. A rectangular hole is formed in a doorframe groove(3) of the inner spot on which two guide shoes meet when an elevator door(1) is shut based on the center of the door frame. A rectangular hole is formed in the outside spot which locates the guide shoe. When the elevator door is shut and open, a brush, attached to guide shoe, automatically removes the foreign material.
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