PORTABLE DOME DESTRUCTOR-CLEANER Russian patent published in 2011 - IPC B08B9/08 B65D88/68 

FIELD: process engineering.

SUBSTANCE: invention relates to appliances intended for cleaning inner spaces of hollow elements and serves to destruct domes and bulkheads from packed loose material in containers or hoppers and to clean inner surfaces therein. Proposed device comprises housing 1 and hollow drive shaft rigidly coupled with working member 2 with vanes 3 and tail 6 arranged aligned inside hollow drive shaft 5 to translate therein driven by rod 7. Working member is made up of drill bit with blades and cutting edges and rigidly jointed with one end of tail 6. The other end has threaded socket entering hollow drive shaft 5 to interact with rod 7 by said threaded socket. Buttress thread is made inside aforesaid housing to interact with that of hollow drive shaft. Extra working member 4 made up of blade-like surface is hinged behind drill bit-like working member to tail of the latter to interact with the tail of hollow drive shaft to be turned thereby.

EFFECT: higher quality of cleaning.

4 cl, 3 dwg