Patent · US Active

Impact mechanism arrangement

US12220801B2 · kind B2 · utility

0Cited by

4References

21Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Uto Plank · Freising, DE
Ulrich MANDEL · Honsolgen, DE
Josef Fünfer · Königsbrunn, DE

Key dates

Filing date	Nov 2, 2020
Grant date	Feb 11, 2025
Priority date	—
Expiry date	Nov 2, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/351
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Hammer drill and/or chipping hammer having a drive motor, an impact mechanism and a tool fitting for fitting a tool, wherein the impact mechanism has an anvil that is axially displaceable in an anvil guide and acts on the tool, wherein the impact mechanism has an idle-strike damper element and a rebound-strike damper element, which are formed in one piece with one another and as such form a combined damper element, wherein the anvil guide is arranged outside, preferably only outside the combined damper element.

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