INSTRUMENT DE TRAVAIL GUIDE MANUELLEMENT ET COMPORTANT UN ARBRE DE TRANSMISSION TOURNANT DANS UN PALIER LISSE D'UN TUBE DE PROTECTION

摘要

The hand power tool (13) i.e. a strimmer RTM has a drive shaft tube (1). In the area of the outer sleeve facing surface (33) of the drive shaft contacting the support bearing tube (7) is a helical groove (41). The groove helix is in the opposite sense to the direction of rotation.