FIELD: transport engineering.
SUBSTANCE: proposed wheeled propulsive device contains pneumatic tire, rim, disk, rod grousers, each hinge-connected to pins arranged concentrically relative to center of disk at distance "a" from outer circumference of propulsive device. Length of rod of grouser exceeds "a". Each grouser being pushing mechanism is furnished with support shoe, is spring-loaded relative to disk and is hinge-connected only by one end on pin at angle to axial lines of wheel for turning in plane of disk.
EFFECT: improved traction and coupling properties of propulsive device.
2 dwg
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