Patent · US Expired

Rotation and/or tilt angle detection means for a ball and socket joint

US7171330B2 · kind B2 · utility

51Cited by

5References

21Claims

0Family size

Assignee

ZF Lemförder Metallwaren AG · DE

Inventors

Jochen Kruse · Osnabrück, DE
Joachim Spratte · Osnabrück, DE
Michael Klank
Oliver Hagedorn · Seevetal, DE
Horst Dotsch

Key dates

Filing date	Aug 5, 2004
Grant date	Jan 30, 2007
Priority date	—
Expiry date	Jan 15, 2025

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60G2401/17
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A rotation and/or tilt angle detection device for a ball and socket joint is provided wherein at least one magnet (2), especially a permanent magnet, is arranged in the joint ball (1a), wherein a display device (4) displays the magnetic field of the at least one magnet (2) by means of the magnetooptic effect. An image detection deice (10) detects the information displayed by the display device (4). A data processing unit (50) calculates the relative position of the joint ball (1a) and the ball socket (3) of the ball and socket joint on the basis of the information detected.

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