SECTIONAL ROLLER OF IMPACT ACTION Russian patent published in 2014 - IPC E02D3/46 

FIELD: machine building.

SUBSTANCE: sectional roller of impact action consists of a set of identical sections coupled with each other, every section comprises a rim that is connected to ring couplings by side walls and forms the space inside which two impact elements are located, the rim is fitted by two diametrically set traps and each of the two impact elements, for example a ball form, can be held on each of the traps temporary and in alternating manner, and can fall free from the extreme top position.

EFFECT: improved performance characteristics.

6 dwg