FIELD: transport, lifting devices.
SUBSTANCE: proposed load lifter comprises beam with toothed rack mechanism, platform (12), and at least one drive unit (100) mounted on aforesaid beam to control vertical platform travel along said beam. Said drive unit comprises multiple modular elements comprising at least one drive unit (101), at least one top roller box (102) and at least one bottom roller box (103). Modular interchangeable elements incorporate coupling elements mating those of the other modular element to allow reverse coupling of aforesaid modular elements.
EFFECT: convenient readjustment.
15 cl, 13 dwg
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