To provide a safety device for a passenger conveyor, which is able to facilitate inspection work, and to provide an inspection method for a safety device for a passenger conveyor.SOLUTION: In a safety device for a passenger conveyor, a shoe 22 is rotatable around a shoe shaft 31 provided on an arm 23. The shoe 22 is provided with a first surface 32 and a second surface 33 different from each other. A first distance a from the axis of the shoe shaft 31 to the first surface 32 is longer than a second distance b from the axis of the shoe shaft 31 to the second surface 33. A ratchet pole 25 is kept in a released position by bringing the first surface 32 into contact with a drive chain 14, thereby placing the shoe 22 on a drive chain 14 and is able to reach an engaging position by bringing the second surface 33 opposite the drive chain 14.SELECTED DRAWING: Figure 3
【課題】点検作業を容易にすることができる乗客コンベヤ用安全装置、及び乗客コンベヤ用安全装置の点検方法を得る。【解決手段】乗客コンベヤ用安全装置において、シュー22は、アーム23に設けられたシュー軸31を中心に回転可能になっている。シュー22には、互いに異なる第1の面32及び第2の面33が設けられている。シュー軸31の軸線から第1の面32までの第1の距離aは、シュー軸31の軸線から第2の面33までの第2の距離bよりも大きくなっている。ラチェットポール25は、第1の面32を駆動チェーン14に接触させてシュー22が駆動チェーン14に載せられることにより解除位置に保たれ、第2の面33が駆動チェーン14に対向することにより噛み合い位置に到達可能になる。【選択図】図3
SAFETY DEVICE FOR PASSENGER CONVEYOR AND INSPECTION METHOD FOR SAFETY DEVICE FOR PASSENGER CONVEYOR
乗客コンベヤ用安全装置、及び乗客コンベヤ用安全装置の点検方法
2018-12-27
Patent
Electronic Resource
Japanese
IPC: | B66B Aufzüge , ELEVATORS |
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