Patent · US Active

Hand power tool

US7891438B2 · kind B2 · utility

2Cited by

14References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Andre Ullrich · Echterdingen, DE
Tobias Herr · Stuttgart, DE

Key dates

Filing date	Feb 25, 2008
Grant date	Feb 22, 2011
Priority date	—
Expiry date	Jun 12, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/065
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A hand power tool, in particular a drill hammer and/or chisel hammer, has a housing, a first joining unit, and a switch device that has an actuating unit with a second joining unit corresponding to the first joining unit, the actuating unit being capable of being introduced without tools, by the second joining unit, into the first joining unit in a mounting position. The first joining unit and the second joining unit of the actuating unit are provided to perform protection of the actuating unit against being lost, in an installed state of the actuating unit.

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