Dual function oscillating tool

Abstract

A dual function powered oscillating hand tool includes a drive unit 5 having an electric motor 2 and a first drive shaft 7. A bearing 15 is mounted on the first drive shaft 7 and is located radially eccentrically relative to the first drive shaft. A second drive shaft 14 is mounted on the eccentric bearing 15. A sanding head may be mounted on the second shaft 14 and may include a sanding platen 21 for random orbit sanding or a sanding shoe 20 for regular orbital sanding. Each of a first flexible group of elements, which include columns 16, pegs 50 and hollow legs 80, and each of a second group of mating elements, which include slotted posts 3, a slotted groove 58 and bosses 72, respectively, are provided for restricting the random orbit of the sanding shoe 20 to a regular orbit. The respective elements of one group may be mounted on the shoe 20 and the respective elements of the other group maybe mounted on the driving unit 5.

Dependencies are inferred from the claim text.