There's quite a plethora of designs and sizes for endless rope haulers at this time. Here's one example for this period:
Interestingly they had at this time single haulers driving multiple ropes operated via brakes and clutches.
I never saw anything other than single drives in my time. Brakes would be electrically operated by a thruster lifting a heavy weight attached to an enormous 'brake shoe', in a fail safe manner - that is the thruster energising to release the brake. They still had mechanical 'winding' handle to apply the brake as well as an emergency back up. Apart from that the basic design and function just the same as 1910!