| 摘要 |
Retaining mechanism for turnstiles, full-height rotary gates and the like, and which incorporates a rotatable main shaft (4) with blocking arms (3), whereby means are provided for blocking the motion of the main shaft, the means for blocking the motion of the main shaft (4) being constituted by a mechanical disc brake (5, 6) arranged to be applied by actuation from a motor (7). |
