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:
Jan. 09, 2018
Filed:
Oct. 31, 2014
Applicant:
Ntn Corporation, Osaka, JP;
Inventor:
Yasuhiro Shimizu, Mie, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 25/08 (2006.01); F16C 33/60 (2006.01); F16C 19/38 (2006.01); F16C 33/58 (2006.01); F16C 33/78 (2006.01);
U.S. Cl.
CPC ...
F16C 25/083 (2013.01); F16C 19/385 (2013.01); F16C 33/586 (2013.01); F16C 33/60 (2013.01); F16C 33/783 (2013.01); F16C 33/7886 (2013.01); F16C 2226/60 (2013.01); F16C 2229/00 (2013.01); F16C 2240/14 (2013.01); F16C 2322/12 (2013.01);
Abstract
In a bearing preloading device in which a compression coil spring is used, a hole is defined in a bearing race or in a separate member axially opposed to the bearing race. The hole has an inner periphery constituted by a threaded portion connected to a bottom surface of the hole, and a shallow hole portion connected to an edge of the hole. An inner diameter of the shallow hole portion is larger than an inner diameter of the threaded portion.