FIELD: transport.
SUBSTANCE: proposed device for travelling cranes 1 has two rotating axial holders 21 to support guide rollers 11, 12. The latter are arranged on axial journals located off centre relative to axle 41 of axial holder 21 in bearing plate 15. Rims 29, 36 on said axial holder and bearing plate may be used to lock selected position of axial journal with geometrical closure.
EFFECT: locking of selected position of axial journal with geometrical closure.
20 cl, 6 dwg
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