发明授权
EP2346769B1 THERMAL BARRIERS OF ELEVATOR DOOR ROLLER AND RAIL 有权
热锁一个电梯门ROLL和铁路

THERMAL BARRIERS OF ELEVATOR DOOR ROLLER AND RAIL
摘要:
A roller assembly includes a frame (16) defining a doorway (14). A rail (32), which includes at least one supporting surface along at least one side of the rail, is secured to the frame (16). At least one roller (38), which is adapted to roll along the supporting surface of the rail (32), has a tire material (68) that contacts the rail (32). A thermal barrier (62, 70, 72, 76, 80) is positioned to inhibit heat transfer from the rail (32) to the tire material (68).
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