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:
Jun. 04, 2019
Filed:
Nov. 06, 2017
Applicant:
Tokyo Parts Industrial Co., Ltd., Gunma-ken, JP;
Inventor:
Masahiro Nishidate, Gunma-ken, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 17/04 (2006.01); F16C 33/74 (2006.01); F16C 27/08 (2006.01); H02K 1/14 (2006.01); H02K 1/18 (2006.01); H02K 5/16 (2006.01); H02K 1/27 (2006.01); H02K 11/215 (2016.01); H02K 21/22 (2006.01); H02K 5/167 (2006.01); F16C 41/00 (2006.01); F16C 33/10 (2006.01);
U.S. Cl.
CPC ...
H02K 5/163 (2013.01); F16C 17/04 (2013.01); F16C 27/08 (2013.01); F16C 33/104 (2013.01); F16C 33/74 (2013.01); F16C 41/004 (2013.01); H02K 1/14 (2013.01); H02K 1/18 (2013.01); H02K 1/187 (2013.01); H02K 1/27 (2013.01); H02K 1/2786 (2013.01); H02K 5/16 (2013.01); H02K 5/167 (2013.01); H02K 11/215 (2016.01); H02K 21/22 (2013.01); F16C 2380/26 (2013.01);
Abstract
A washer memberand a seal memberare disposed in a mutually non-contacting state in the axial direction. A rotary shafthas an annular groovein the outer circumferential face. A minimum diameter partof the annular grooveis disposed between the uppermost surface of the washer memberand the lowermost surface of the seal memberThe upper end of the annular grooveis disposed axially below the uppermost surface of the seal memberThe outer surface of the seal memberand the outer circumferential face of the rotary shaftthat faces the seal memberin the radial direction are subjected to oil-repellent treatment.