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. 09, 2008
Filed:
Nov. 10, 2005
Isashi Kashiwagi, Kariya, JP;
Minoru Wakamatsu, Kariya, JP;
Atsushi Ando, Kariya, JP;
Kazuyuki Ichikawa, Okazaki, JP;
Isashi Kashiwagi, Kariya, JP;
Minoru Wakamatsu, Kariya, JP;
Atsushi Ando, Kariya, JP;
Kazuyuki Ichikawa, Okazaki, JP;
Toyoda Koki Kabushiki Kaisha, Kariya-shi, JP;
Abstract
A constant velocity universal unit includes an outer joint member whose inner peripheral face is formed with three guide grooves, an inner joint member including three tripod shafts each formed with a tripod spherical face, three roller units each including an outer peripheral face and an inner peripheral face coaxially formed with each other. The guide groove includes a pair of strip-shaped inner side faces formed with a pair of guide projections having a substantially half arc shape in cross section whose diameter is smaller than a height of the inner side face of the guide groove. The constant velocity universal joint further includes an annular recess formed on a substantially center portion in a height direction of the outer peripheral face of the roller unit and engaging with the pair of guide projections in a rolling manner and rotatable relative to a central axis of the guide projection.