Hand-held power tool

US7878264B2 · kind B2 · utility

Assignee

• Hilti Aktiengesellschaft · LI

Inventors

• Olaf Koch · Kirchdorf an der Krems, AT
• Alexander Buchenau · Landsberg, DE
• Vera Nuebel · Munich, DE
• Uto Plank · Freising, DE
• Stefan Hammerstingl · Munich, DE

Key dates

• Filing date: Jul 24, 2008
• Grant date: Feb 1, 2011
• Expiry date: Jun 2, 2029

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B25D2250/275
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A hand-held power tool includes two vibration-damped handles (21), two handle attachment axles (31) for securing the two handles (21) on the tool outer housing (12), respectively, and extending at an angle to respective longitudinal axes (23) of respective handles (21), each handle attachment axle being surrounded, at least in some areas, by the mounting section (24) of the respective handle (21), a damping sleeve (31) formed of an elastic material and provided between the mounting section (24) of the respective handle (21) and the respective handle attachment axle (30), with the damping sleeve (31) forming a first damping element, and a damping body (36) provided on a free end (26) of each handle (21) and forming a second damping element and having an extension (D) in a radial, with respect to the handle longitudinal axis, direction that is greater than a minimal radial extension (T) of the handle (21) at its free, second end.