Alan S Kremzar

US Patent:

20070021044, Jan 25, 2007

Filed:

Jul 21, 2005

Appl. No.:

11/187139

Inventors:

Markus Allemann - Grayslake IL, US
Edward Ennis - Niles IL, US
Vera Maras - Schaumburg IL, US
Jose Nieto - Chicago IL, US
Bradley Albrecht - Cahokia IL, US
Simon Dirnberger - Tulsa OK, US
Alan Kremzar - Cedar Rapids IA, US
Michael Mayer - Smithshire IL, US
Alexandria Merritt - Hannibal MO, US
Amanda Raffurty - Lee's Summit MO, US

International Classification:

B24B 41/00

US Classification:

451342000

Abstract:

A mandrel and accessory and related combination for use with a rotary tool are disclosed. For instance, the mandrel and accessory combination includes a mandrel assembly and an accessory. The mandrel assembly includes (i) a shaft component defining an axis and having a first portion configured to be received in a chuck of a power tool, and a second portion having a first shaft tooth and a second shaft tooth each extending in a perpendicular manner with respect to the axis, and (ii) a collar component defining a passage through which the shaft component extends, the collar component having a first collar tooth and a second collar tooth. The accessory includes an outer wall structure defining a circular outer periphery; and an inner wall structure defining a coupling opening. The accessory is configured to be releasably coupled to the mandrel assembly.