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:
Sep. 18, 1979
Filed:
Dec. 19, 1977
Kiyoshi Sakaguchi, Aichi, JP;
Katsuji Ohtsubo, Aichi, JP;
Toshimitsu Sakai, Okazaki, JP;
Toshikatsu Taniguchi, Okazaki, JP;
Hitoshi Mizutani, Aichi, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Abstract
A universal joint of the type including: a first shaft to which tripod shafts are secured radially from the axis thereof; three rollers formed at the outer peripheries thereof with spherical surfaces and with which the tripod shafts are crowned; and a second shaft provided therein with raceways identical in number with the rollers and on which the outer peripheries of the rollers roll and are supported. The universal joint further includes a plurality of oil grooves provided at contact-roll surfaces between the rollers and the cylindrical raceways.