SCREW-TYPE PROPULSOR Russian patent published in 2019 - IPC B62D57/36 A61G5/06 

Abstract RU 2685934 C1

FIELD: machine building.

SUBSTANCE: invention relates to transport engineering, in particular to off-road vehicles. Screw propulsion unit comprises a hollow cylindrical rotor with a helical ridge, equipped with a rotation mechanism, and a swivel head. Cylindrical rotor with screw crest is made in the form of a shaft, on which a row of pneumatic wheels with thickened protectors is mounted. On each of the treads there is a multi-threaded screw ridge repaired from the wheel to the wheel, which forms a multiturn screw crest of the propeller by the peripheral part of the row.

EFFECT: expanding the functionality of the screw propulsion in wheelchairs for movement on hard surfaces with obstacles.

1 cl, 1 dwg

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RU 2 685 934 C1

Authors

Dyadchenko Nikolaj Petrovich

Dates

2019-04-23Published

2018-08-09Filed