Portable electric tool for use as e.g. standard metal saw blade, has front extension sliding inside guide opening having section as that of front extension, and return spring fixed in front extension to tighten accessory

摘要

The tool has a motorized system including a transformation device (2a) for moving an electric motor (2) to and fro alternatively on an axle (2b) on which a rear extension (8d) of a accessory e.g. filler (6) is fixed. An arm (3) moves along a slide (5), and/or is removably fixed at the system whose front end receives an adapter (15) equipped to receive a removable front maintenance handle. A front extension (8g) of the accessory slides inside a guide opening (11) having a same section as that of the front extension. A return spring is fixed in the front extension to tighten the accessory.