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:
Jul. 13, 2021
Filed:
Mar. 14, 2019
Skg Inc., Joetsu, JP;
Yutaka Imagawa, Joetsu, JP;
SKG INC., Joetsu, JP;
Abstract
An oval shaft that includes a cam body integrated with a rotation input section and rolling elements that are sandwiched between an inner ring provided at the outer periphery of the cam body and a flexible outer ring; an internal gear having an inner gear formed at the inner periphery; a flex gear having outer gears that have a reduced teeth number relative to the inner gears so that, when the outer gears are provided at the outer periphery of the oval shaft, the outer gears are engaged with the inner gears at a plurality of engagement positions, the flex gear has a plurality of transmission pins; and a rotation output mechanism having an output plate having an engagement section including an engagement hole that is engaged with each transmission pin and that is provided along the circumferential direction with a predetermined interval to allow the displacement of the transmission pin in the circumferential direction and/or the radiation direction during the rotation transmission.