Patent · US Active

Hand-held power tool with a replaceable tool fitting

US7644929B2 · kind B2 · utility

6Cited by

5References

8Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Karl Frauhammer · Echterdingen, DE
Otto Baumann · Echterdingen, DE
Rolf Mueller · Echterdingen, DE
Heinz Schnerring · Waldenbuch, DE
Dietmar Saur · Lingen (Ems), DE
Willy Braun · Neustetten, DE
Axel Kuhnle · Freiberg, DE
Thomas Bernhardt · Neckartenzlingen, DE
Uwe Engelfried · Esslingen am Neckar, DE

Key dates

Filing date	Jul 1, 2005
Grant date	Jan 12, 2010
Priority date	—
Expiry date	Aug 31, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T279/17752
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A very easy-to-actuate, replaceable tool fitting is comprised in that at least one movably supported profiled body (15) on an output spindle (1) or on the tool fitting (11) of the hand-held power tool and at least one profiled recess (7) on the output spindle (1) or on the tool fitting (11) are shaped and situated in such a way that when the tool fitting (11) is slid onto the output spindle (1), the at least one profiled body (15) engages in detent fashion in the at least one profiled recess (7), achieving both an axial locking and a rotary driving of the tool fitting (11) in relation to the output spindle (1) and means (6, 8, 14) are provided, which, through a rotating and sliding motion of the tool fitting (11) on the output spindle (1), guide the profiled body (15) into the profiled recess (7).

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