Patent · US Expired

Quick chuck

US7198439B2 · kind B2 · utility

4Cited by

17References

14Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Erhard Hoffmann · Altenriet, DE
Joachim Hecht · Magstadt, DE
Siegfried Keusch · Deizisau, DE

Key dates

Filing date	Mar 29, 2004
Grant date	Apr 3, 2007
Priority date	—
Expiry date	Aug 11, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/953
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A quick chuck for a hand power tool has an actuating element, at least one arresting element for receiving a clamping support force, a control device having at least one control unit for controlling the at least one arresting element, the arresting element controllable by the control device producing a form-locking connection for receiving the clamping support force.

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