Mandrel and accessory and related combination for use with a rotary tool

US7387563B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Markus Allemann · Chagrin Falls, US
• Edward G. Ennis · Niles, US
• Vera Maras · Schaumburg, US
• Jose Nieto · Madrid, ES
• Bradley J. Albrecht · Cahokia, US
• Simon C. Dirnberger · Tulsa, US
• Alan S. Kremzar · Cedar Rapids, US
• Michael Mayer · Echterdingen, DE
• Alexandria L. Merritt · Hannibal, US
• Amanda B. Raffurty · Lee's Summit, US

Key dates

• Filing date: Jul 21, 2005
• Grant date: Jun 17, 2008
• Expiry date: Jul 21, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B24D5/16
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

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.