The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 23, 1999
Filed:
Aug. 25, 1997
Eric Cockburn, Spennymoor, GB;
Black & Decker Inc., Newark, DE (US);
Abstract
A dual function powered oscillating hand tool comprises a driven unit having an electric motor and a first drive shaft; an eccentric bearing mounted on the first drive shaft with a radial offset e relative to the first drive shaft; a second drive shaft mounted on the eccentric bearing and terminating in a flange and a drive spigot; a sanding shoe; and a location hole positioned on the backing face of the sanding shoe for location of the second drive shaft and means to restrict the random orbit of the sanding shoe to a regular orbit. The drive spigot has a diameter d.sub.1 adjacent to the flange face and a maximum diameter d.sub.2 at its free end and the location hole has a diameter d.sub.3 at the backing face and a diameter d.sub.4 at the face adjacent to the working face of the shoe, and