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:
May. 30, 2017
Filed:
Dec. 23, 2011
Edward Abante, Chicago, IL (US);
Roger Hajny, Cedarburg, WI (US);
Kyle Jacobs, Appleton, WI (US);
Robert Bosch Tool Corporation, Broadview, IL (US);
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A sanding drum assembly in one embodiment includes at least one elastic friction member defining an outer perimeter, a plurality of feet located inwardly of the at least one elastic friction member, each of the plurality of feet including a movable portion movable between a first position whereat the plurality of feet define a first outermost circumference and a second position whereat the plurality of feet define a second outermost circumference, wherein the second outermost circumference is larger than the first outermost circumference, and an actuator, wherein the plurality of feet and the actuator are configured such that as the actuator and the plurality of feet change from a first configuration to a second configuration, the plurality of feet are forced from the first position to the second position.