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:
May. 17, 2022
Filed:
Mar. 20, 2018
Nsk Ltd., Tokyo, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Hyogo, JP;
Hirofumi Itagaki, Fujisawa, JP;
Masahiro Kita, Fujisawa, JP;
Kippei Matsuda, Akashi, JP;
Kenichiro Tanaka, Akashi, JP;
Hideyuki Imai, Akashi, JP;
Kenji Komatsu, Akashi, JP;
NSK LTD., Tokyo, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Hyogo, JP;
Abstract
Provided is a pressing device for a toroidal continuously variable transmission that is capable of sufficiently supplying lubrication oil to all rollers inside a pocket, and is capable of suppressing the occurrence of fretting wear on the rolling surfaces of the rollers, a first cam surface and a second cam surface. An oil passageis provided for supplying lubrication oil to the inside of each pocketin the inside portion in the radial direction of a retainerthat holds a plurality of more than one rollerarranged in a row in the radial direction. The center axis Oof a discharge portthat is provided on an end portion on the downstream side of the oil passageand that opens to the inside surface in the radial direction of the pocketis inclined toward the front side in the rotational direction of the retainerwith respect to the center axis of the pocket