Patent · US Active

Hand-held machine tool

US9272408B2 · kind B2 · utility

6Cited by

21References

19Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Olaf Koch · Kirchdorf an der Krems, AT
Matthias Keith · Kaufbeuren, DE
Dieter Kraus · Munich, DE
Ali Shadavakhsh · Munich, DE

Key dates

Filing date	Nov 16, 2011
Grant date	Mar 1, 2016
Priority date	—
Expiry date	May 30, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/345
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A hand-held machine tool is provided. The hand-held machine tool includes a striking element that is accelerated along a working axis, and a guide for the striking element. A cushioning damper limits a motion of the striking element along the working axis and has an elastic damping ring. The damping ring has grooves running on at least one face side radial to the working axis.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.