Patent · US Expired

Hand-held power tool

US6415875B1 · kind B1 · utility

69Cited by

7References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Gerhard Meixner · Echterdingen, DE
Ludwig Thome · Echterdingen, DE
Felix Blank · Eßlingen, DE
Georg Hansis · Bonn, DE
Thomas Klaas · Geislingen, DE

Key dates

Filing date	Jan 12, 2000
Grant date	Jul 9, 2002
Priority date	—
Expiry date	Jan 12, 2020

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24B55/00
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A hand-held power tool has a machine housing, a drive motor, a tool receptacle, a drive strand accommodated in the machine housing and extending between the drive motor and the tool receptacle, and a detection device for detecting an uncontrolled operational condition of the hand-held power tool, and a blocking device which in case of the uncontrolled operational condition form-lockingly connects the drive strand with the machine housing, the blocking device including at least one locking member which is housing-fixed in a rotary direction of the drive strand and at least one locking member which co-rotates in the drive strand so that the locking member and the blocking member are bringable in engagement with one another, the locking member and the blocking member being bringable in engagement with one another axially in direction of a rotary axis of the blocking member.

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