US 2024/0424651 A1 · Impact mechanism arrangement

Abstract

Hammer drill and/or chipping hammer (100) having a drive motor (70), an impact mechanism (10) and a tool fitting (50) for fitting a tool (110), wherein the impact mechanism (10) has an anvil (30) that is axially displaceable in an anvil guide (20) and acts on the tool (110), wherein the impact mechanism (10) has an idle-strike damper element (11), which acts between the anvil (30) and the tool fitting (50), and wherein the impact mechanism has a guide housing (80), which engages at least partially around the anvil (30) and/or the tool fitting (50), wherein an additional idle-strike damper element (31) is provided, which acts between the tool fitting (50) and the guide housing (80).

Claims16

Dependent claims

A hammer drill or chipping hammer comprising:

a drive motor;
an impact mechanism;
a tool fitting for fitting a tool, wherein the impact mechanism has an anvil axially displaceable in an anvil guide and acting on the tool, wherein the impact mechanism has an idle-strike damper element acting between the anvil and the tool fitting and the impact mechanism has a guide housing engaging at least partially around the anvil or the tool fitting;
and
an additional idle-strike damper element acting between the tool fitting and the guide housing, the additional idle strike damper element overlapping the idle-strike damper element in an axial direction.

2 more elements

Dependencies are inferred from the claim text.

Impact mechanism arrangement

Life of this patent

Impact mechanism arrangement

Life of this patent

Abstract

Claims16