Patent · US Active

Handheld power tool having a shiftable mechanism

US8978780B2 · kind B2 · utility

0Cited by

5References

28Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Michael-Andreas Grunwald · Leinfelden, DE
Marco Pawlowski · Laatzen, DE
Joerg Welke · Ettlingen, DE
Dietmar Saur · Lingen (Ems), DE

Key dates

Filing date	Dec 20, 2013
Grant date	Mar 17, 2015
Priority date	—
Expiry date	Dec 20, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23B2260/136
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A handheld power tool with a shiftable mechanism, which is adjustable between two operating positions, has a coupling spring that is coupled with an adjustable shifting member of the mechanism. The coupling spring is embodied as a metastable spring.

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