Patent · US Active

Hand-held power tool with spring-loaded handle suspension

US8342260B2 · kind B2 · utility

10Cited by

7References

8Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Alexander Buchenau · Landsberg, DE
Uto Plank · Freising, DE
Stefan Hammerstingl · Munich, DE

Key dates

Filing date	Dec 15, 2006
Grant date	Jan 1, 2013
Priority date	—
Expiry date	Mar 1, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25G1/01
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A portable hand-held power tool (2), especially in the form of a drilling or chisel hammer, includes a drive assembly (8) located in the tool housing (10) for driving a tool spindle (4) along an operational axis (A), a first handle (16) which is rotatable around a first pivotal axis (S1) by a first handle suspension (22), a second handle (20) located on the opposite sides (14.1, 14.2) of the housing which is rotatable around a second pivotal axis (S2) by a second handle suspension (24), and spring elements for retaining the handles (16, 20) in their initial position, with the first and second handle suspensions (22, 24) extending partially circumferentially about the drive assembly (8).

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