ICE BORE Russian patent published in 2015 - IPC A01K97/01 

FIELD: construction.

SUBSTANCE: ice comprises a tubular bearing element with a mounted cranked handle, an auger with a cutting head with knives and a fixed cutting facility in the central part of the cutting head. The auger is made composite, from wear-resistant plastic, at least in the form of two parts. Along the longitudinal axis of each part of the auger there are holes for installation at the tubular bearing element of the ice bore. Parts of the auger are connected to the tubular bearing element and a tubular holder made in the upper part of the cutting head with the help of pins or tightening bolts. Parts of the auger are connected to each other and the cutting head by means of alternating at least two thorns and two joined indents of rectangular shape, made at the ends of each part of the auger and on the upper surface of the cutting head.

EFFECT: reduced device weight.

12 cl, 4 dwg