| 摘要 |
An elevator safety block including a frame configured to attach to an elevator structure, e.g., an elevator car or counterweight, and slidably engage with a guide rail, the frame defining a first engaging surface and a support surface, an intermediate body slidably mounted to the support surface, and an engaging body rotatably attached to the intermediate body and having a second engaging surface. In a first position, the first engaging surface and the second engaging surface are configured to permit the elevator structure to move along the guide rail, and, in a second position, the first engaging surface and the second engaging surface are configured to engage with the guide rail and prevent movement of the elevator structure. |
