Patent AT-E401283-T1: [Translated] CATCHING DEVICE FOR A GRADUATE BIDIRECTIONAL SAFETY DEVICE

Catch system for a gradual bi-directional elevator safety device based on the use of a roller together with hinged rectangular frames on which a friction element is...一种基于滚轮与铰接矩形框架配合的渐进式双向电梯安全装置捕获系统，该框架上设有摩擦元件……