HOIST UNIT (VERSIONS) Russian patent published in 2015 - IPC B66B5/00 B66B9/00 

FIELD: transport.

SUBSTANCE: invention relates to hoist unit (12) with well wherein two cabins (14, 16) independently displace vertically. Every said cabin (14, 16) is provided with drive (23, 33) and brake (55, 57). At least one travel limiter incorporates thrust element (54, 56) to interact with retainer (60, 64). At least one thrust element (54, 56) is arranged at the elevator first cabin (14) to extend aside from the cabin vertical projection to interact with said retainer (60, 64) located outside the vertical projection of all cabins. Brake (55, 57) is arranged at appropriate cabin. Said brake is deactivated if elevator cabin decreases below preset limiting speed. Note here that cabin at speeds lower than limiting speed can be braked by thrust and retaining elements up to complete stop.

EFFECT: higher carrying capacity.

20 cl, 6 dwg