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:
Feb. 16, 2021
Filed:
Nov. 11, 2015
Applicant:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Inventor:
Tomoyoshi Utsumi, Iwata, JP;
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 13/04 (2006.01); F16C 19/10 (2006.01); F16H 25/22 (2006.01);
U.S. Cl.
CPC ...
H05K 13/0406 (2018.08); H05K 13/041 (2018.08); H05K 13/0409 (2018.08); H05K 13/0413 (2013.01); F16C 19/10 (2013.01); F16H 25/2204 (2013.01);
Abstract
A shaft device includes a nut support including a shaft hole, a spline shaft extending through the shaft hole of the nut support, a spline nut having a tubular shape, a bearing of thrust type rotatably supporting the spline nut relative to the nut support, and a biasing member configured to bias the bearing in an axial direction of the spline shaft. The spline nut is disposed coaxially with a portion of the spline shaft protruding upward from the shaft hole and connected to the spline shaft through a spline mechanism.