ATTACHMENT POINT OF MINE CUTTING TOOL Russian patent published in 2010 - IPC E21C35/197 E21C27/44 

FIELD: mining.

SUBSTANCE: attachment point of mine cutting tool consists of holder, secured on executive device, of cutter with cone cutting part and rotating shank end secured in holder. The attachment point of the mine cutting tool is equipped with a swinging mechanism kinematically coupled with the shank end of a cutting insertion and made in form of a mechanical trigger facilitating a swivel of the cutter around axis. Also the cutting insertion swinging mechanism corresponds to three bushings inserted one into another and equipped with radial lugs axially tapered on ends.

EFFECT: increased resource of mine cutting tool and reduced power consumption for cutting.

6 dwg