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:
Apr. 27, 1976
Filed:
Oct. 24, 1974
Applicant:
Inventor:
Yasuo Uchida, Hamamatsu, JA;
Assignee:
Ishikawa Tekko Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
403140 ;
Abstract
This invention relates to a ball joint. The ball joint comprises a bearing member made in one piece, and a ball stud provided with a spherical head slidably received in the bearing member. The bearing member has a bearing surface comprising a pair of upper and lower surfaces of the bullethead shape juxtaposed to each other with the equator line of the spherical head of the ball stud being interposed therebetween the spherical head of the ball stud is supported by a pair of upper and lower bearing zones, and an annular pocket is formed on the equator line for storing a quantity of lubricant therein.