FIELD: transport.
SUBSTANCE: transporting truck 2 moves in lead screws 1a, 1b driven by cam roller 14. In compliance with first version, there is additional lead screw 6a, and additional cam roller 16 arranged on truck. In compliance wit second version, truck incorporates second cam roller that may de diverted from lead screw. In compliance with third version, truck has two cam rollers to get into engagement in turns with appropriate lead screws.
EFFECT: possibility to vary screw pitch at define section of truck travel.
13 cl, 37 dwg
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RU2023582C1 |
