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:
Oct. 06, 2016
Applicant:
Tokyo Parts Industrial Co., Ltd., Gunma-ken, JP;
Inventor:
Masahisa Tuchiya, Gunma-ken, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 17/10 (2006.01); F16C 33/10 (2006.01); F16C 33/12 (2006.01); H02K 5/167 (2006.01);
U.S. Cl.
CPC ...
F16C 33/128 (2013.01); F16C 17/107 (2013.01); F16C 33/104 (2013.01); H02K 5/1675 (2013.01); F16C 2226/12 (2013.01); F16C 2380/26 (2013.01);
Abstract
A double bearing comprising an inner bearing and an outer bearing, which has a greater oil content than the inner bearing, is used as a bearing for a brushless motor. The inner bearing has an upper bearing part, a lower bearing part, and a central relief part. Gaps are provided between the bearing parts and a bearing housing, along the entire axial length of all of the bearing parts of the inner bearing.