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. 14, 2024
Filed:
Aug. 27, 2021
Nsk Ltd., Tokyo, JP;
Akihiro Yamamoto, Fujisawa, JP;
Hirotaka Kishida, Fujisawa, JP;
NSK LTD., Tokyo, JP;
Abstract
A two-speed transmission includes: an input member; an output member; a rotating member; a first engaging device switching engagement between first and second friction plates to switch the input member and the rotating member to an integrally rotating state or a relatively rotating state; a second engaging device switching the rotating member to a rotatable or non-rotatable state; an elastic biasing means applying a force pressing the first and second friction plates; a pressing device releasing the pressing force; a first bearing between the elastic biasing means and the pressing device; a second bearing between the rotating member and the pressing device or the fixed portion; and a planetary speed reduction mechanism having a sun element connected to the input member or the rotating member, a carrier connected to one of the input member or the rotating member and the output member, and a ring element connected to the other.