| 摘要 |
572,585. Rope brakes. PARK, R. T. M. Sept. 21, 1943, No. 15445. Addition to 558.797. [Class 78 (ii)] In the rope-fall controlling device described in the parent Specification a drum a mounted on a removable spindle b is provided at the forward end of the device. Each rope d is passed around the drum a, even paying-out of the ropes being thus facilitated. A medial flange a<1> may be provided on the drum to keep the two ropes apart. |
