ICE AXE FOR ICICLES Russian patent published in 2013 - IPC E01H5/12 

FIELD: construction.

SUBSTANCE: ice axe for icicles comprises a body, a drive and hammers. At the same time the body is made in the form of a frame, where a disc is installed on sliding bearings, and along the contour of the disc there are spring-loaded hammers with strikers, and inside of it there is a pneumatic drive comprising a rotor, with tangential holes arranged on its outer side and with an inner cavity, at the same time the outer side surface is made as profiled, with provision of power closure with the hammers, with the possibility of their radial and circumferential movement.

EFFECT: invention makes it possible to increase efficiency of works, and usage of a pneumatic drive in a device fully excludes the possibility of damage by electric current.

7 dwg