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:
Dec. 05, 1978
Filed:
Oct. 25, 1977
Applicant:
Inventors:
Horst M Ernst, Eltingshausen, DE;
Armin Olschewski, Schweinfurt, DE;
Lothar Walter, Schweinfurt, DE;
Manfred Brandenstein, Aschfeld, DE;
Toni Schulz, Dittelbrunn, DE;
Assignee:
SKF Kugellagerfabriken GmbH, Schweinfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
308 / ; 64 237 ;
Abstract
A linear-motion ball bearing assembly wherein a metal cylindrical shell has an inner bore surface defining load zones and outwardly spaced return passages for balls in endless raceways; the shell has outwardly extending longitudinal ribs, with plastic injection molded onto the bore of the shell to form guide walls for balls in the load zone and along the ribs of the shell to form return guide passages communicating with the load zone passages.