A tool changing machine of a machine tool, comprising a base, a plurality of cartridges which have a plurality of tools, a main tool magazine on the base, which has index positions for tool change and which has a rotatable circular magazine body on which the cartridges are supported so as to move in...http://www.google.sh/patents/US4590662?utm_source=gb-gplus-sharePatent US4590662 - Tool changing machine of machine tool
