Patent · US Active

Method for producing a ball joint

US11078952B2 · kind B2 · utility

2Cited by

4References

13Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Manfred Sieve · Löhne, DE
Jan Pabst · Osnabrück, DE
Frank Nachbar · Osnabrück, DE
Volker Grube · Diepholz, DE

Key dates

Filing date	Mar 19, 2018
Grant date	Aug 3, 2021
Priority date	—
Expiry date	Jun 23, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C2220/06
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A method for producing a ball joint having an outer housing with an outer housing stud opening, an inner housing arranged inside the outer housing and provided with an inner housing stud opening, and a ball stud having a joint ball is moveably fitted in the inner housing and which extends out through the inner housing stud opening. The method includes inserting and positioning the stud with its joint ball in the outer housing such that, between the outer housing and the stud, a free space surrounding the joint ball and/or stud remains and the stud extends out through the outer housing stud opening. After which the free space is filled with a plastic material which enclosed the joint ball and then cures to form the inner housing. A gap is formed between the outer and inner housings during curing and closed after curing by compressing the outer housing.

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