A method for protecting users of electric hand tools from risk of injury, involves partially covering tool by housing with one part rotatable to expose tool

摘要

A hand tool with a drive shaft (6) carrying a disc cutter (5), or the like, has a largely enclosing fixed cover (2) attached to the tool grip (8) and having a bearing (18) carrying another, but rotating cover (3) which exposes a part of the cutter when moved by a lever (7).