Cordless screwdriver

US7498526B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Guenter Lohr · Echterdingen, DE
• Heiko Roehm · Stuttgart, DE
• Wolfgang Hirschburger · Thurston, GB
• Sven Kageler · Echterdingen, DE
• Mohsein Wan · Bukit Mertajam, MY
• Abdul Aziz Zulfikar · Bukit Mertajam, MY
• Sim Teik Yeoh · Air Itam, MY
• Joseph Siang Choon Lim · Bukit Mertajam, MY

Key dates

• Filing date: Jun 29, 2005
• Grant date: Mar 3, 2009
• Expiry date: Jun 29, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B25F5/021
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A cordless screwdriver, having a housing (12, 18) with a pistol grip (14) with an ON/OFF button (26) and a rechargeable battery (40) inserted into it, in particular fixedly and with charging contact tongues (37) associated with the battery (40), is made safer and more convenient by providing that by means of the toggle switch (26), extending in elongated fashion over the inside of the pistol grip (14) and in particular pivotably supported, a plurality of power circuits of the cordless screwdriver (10) are interruptable and closable over the actuation stroke of the toggle switch successively independently of one another.