Patent · US Expired

Positioning device

US6933700B2 · kind B2 · utility

2Cited by

1References

17Claims

0Family size

Assignee

DR. JOHANNES HEIDENHAIN GMBH · DE

Inventors

Johann Lahr · Traunwalchen, DE
Volker Hofer · Traunreut, DE

Key dates

Filing date	Jun 6, 2003
Grant date	Aug 23, 2005
Priority date	—
Expiry date	Feb 11, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG11B21/083
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A positioning device that includes a pivotable shaft and a pivot drive mechanism, which has a stator and a rotor that moves relative to the stator. A position measuring arrangement includes a first element and a second element that moves in relation to the first element, wherein the rotor and the first element are connected, fixed against relative rotation, with the shaft. The positioning device further includes a bearing unit, wherein, starting at one end of the shaft, first the first element, then the bearing unit, and thereafter the rotor are arranged along the shaft.

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