Machine tool having a drive motor

US9248563B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Ralf Allner · Eßlingen, DE
• Thilo Koeder · Gerlingen, DE
• Florian Esenwein · Echterdingen, DE
• Manfred Lutz · Schweinfurt, DE
• Achim Trick · Sielmingen, DE

Key dates

• Filing date: Nov 22, 2010
• Grant date: Feb 2, 2016
• Expiry date: Nov 22, 2030

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B25F5/02
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A machine tool having a drive motor includes an electronic unit and a switch for switching the drive motor on/off. An additional contact module is connected to the electronic unit, the drive motor being electrically connected only to the contact module. Also, the switch is connected to the contact module.