DRUM WINCH Russian patent published in 2010 - IPC B66D1/395 B65G23/44 

FIELD: transport.

SUBSTANCE: proposed drum winch comprises drum divided by flange at its center for multi-row rope laying. Rope is transferred from one section of the drum into another section by deflecting assembly arranged at carriage travel distance. To exclude sag, every run of the rope is passed through four-link carriage pulley system pivoted to support perpendicular to drum axis and comprising two fixed deflecting pulleys and moving pulley coupled by flexible thread via deflecting pulleys fitted on the support with weight.

EFFECT: simplified design, ruling out of sag.

3 cl, 2 dwg