Patent · US Active

Brush holder

US7772740B2 · kind B2 · utility

0Cited by

3References

2Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Torsten Tussing · Saarburg, DE
Helmut Burger · Waiblingen, DE
Jens Frenzel · Fürstenfeldbruck, DE

Key dates

Filing date	Nov 13, 2007
Grant date	Aug 10, 2010
Priority date	—
Expiry date	May 30, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH01R39/26
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A brush holder (2) has a carbon holder (4) which forms a guide (38) for a carbon brush (6) and at which a holding spring (10) that presses the carbon brush (6) against a first guide side of the guide (38) with a holding pressure force (HF), is provided, with the holding spring (10) having two portions (12, 21) which are biased against one another, and with the carbon holder (4) and the carbon brush (6) projecting through between the two portions (12, 21).

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