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:
Jun. 29, 1982
Filed:
Feb. 06, 1980
Yoshifumi Tsukiyama, Okazaki, JP;
Yasunori Hatanaka, Toyota, JP;
Akiyoshi Ogawa, Nishikamo, JP;
Hitoshi Mizutani, Aichi, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Abstract
A tripod type constant velocity universal joint for interconnecting two shafts to permit transmission of a driving force in a vehicle such as a motor car. In said tripod type constant velocity universal joint, a trunnion portion of the tripod shafts is urged against and supported by a tulip portion of a second shaft by a tripod spring, the spherical head of a mushroom-shaped member provided in the mounting hole of said trunnion portion is kept in contact with a recess in said tulip portion by the biasing force of a compression spring, and further, said mushroom-shaped member or said trunnion portion of the tripod shafts is formed to provide a spherically curved surface or a conical surface incorporating a straight line, in which the distance from the center of the joint is increased as a point on the external configuration leaves the center toward the outer periphery.