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. 03, 2024
Filed:
Aug. 02, 2019
Nittan Valve Co., Ltd., Hadano, JP;
Michihiro Kameda, Hadano, JP;
Yasuhiro Horiuchi, Hadano, JP;
NITTAN CORPORATION, Hadano, JP;
Abstract
A reduction gear Wthat is configured to reduce a rotation speed input to an input shaft, and output the reduced rotation speed from an output shaft, the reduction gear including: an inner trochoidthat has a wavy curved surface formed on an inner circumferential side surface thereof; an inner trochoid holderthat is designed to hold the inner trochoid; an outer trochoidthat has a wavy curved surface formed on an outer circumferential side surface thereof; a rotation restriction unit that is designed to restrict rotation of the outer trochoidaround an axis thereof; and an output pinthat is pinched between the outer circumferential side surface of the outer trochoidand the inner circumferential side surface of the inner trochoid