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:
Feb. 07, 1984
Filed:
Jun. 03, 1981
Applicant:
Inventors:
Assignees:
Toyota Jidosha Kogyo Kabushiki Kaisha, both of, JP;
Ishikawa Tekko Kabushiki Kaisha, both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25G / ; F16D / ;
U.S. Cl.
CPC ...
403 40 ; 403135 ; 403132 ; 403140 ;
Abstract
A ball joint having an annular bearing member made of a plastic and mounted in an inner space of a socket and slidably embracing a head portion of a ball stud. A plurality of grooves are formed in the outer peripheral surface of said bearing member contacting the inner surface of said inner space of said socket so as to extend in the axial direction of said ball stud. A multiplicity of minute convexities and concavities are formed in the spherical inner surface of said bearing member facing said head portion of said ball stud.