The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 1983
Filed:
Nov. 13, 1978
Anton Becker, Neuss, DE;
Maschinenfabrik Buckau R. Wolf Aktiengesellschaft, Grevenbroich, DE;
Abstract
A swivel joint has a first U-shaped ring member including two first leg portions which bound a recess therebetween, and a secnod T-shaped ring member having a second leg portion which is received in the recess bounded by the first leg portions. Each of the first leg portions has a first semi-spherical groove, and a second leg portion has two second semi-spherical grooves each forming with a respective first semi-spherical groove a spherical groove. Two rows of balls are provided, each received in a respective one of the thus-formed spherical grooves. The first leg portions may have through-going passages through which the balls can be inserted. The passages may be closed by inserts.