Title:
Manufacturing method of bearing equipment
Document Type and Number:
Japanese Patent JP6304795
Kind Code:
B2
Abstract:
A bearing device includes inner ring rolling surfaces formed so that the external radius of inner end portions of a first inner ring and a second inner ring is smaller than a first separation distance and formed so as to have an external radius that becomes larger from an inner side toward the other side, and outer ring rolling surfaces formed so that the internal radius of outer end portions of a first outer ring and a second outer ring is larger than a second separation distance and is formed so as to have an internal radius that becomes smaller from the outer side toward the inner side.
Inventors:
Akihiro Iino
Application Number:
JP2013141131A
Publication Date:
April 04, 2018
Filing Date:
July 04, 2013
Export Citation:
Assignee:
Seiko Instruments Inc.
International Classes:
F16C33/64; F16C19/16; F16C19/54; F16C33/41; F16C33/58; F16C35/063; F16C35/067; F16C43/04; G11B21/02
Domestic Patent References:
| JP200365330A | ||||
| JP2009156456A | ||||
| JP2012189181A | ||||
| JP2005233299A | ||||
| JP62178288U | ||||
| JP2279203A | ||||
| JP6015904U | ||||
| JP5196034A | ||||
| JP200452784A | ||||
| JP200889122A |
Foreign References:
| WO2009139276A1 | ||||
| US20120210819 | ||||
| WO2012104300A1 | ||||
| US20030026510 |
Attorney, Agent or Firm:
Noriaki Uchino
Toru Tanikawa
Takuya Shinoda
Field Saki Satoshi
Shingo Suzuki
Nishizawa Kazumi
Toru Tanikawa
Takuya Shinoda
Field Saki Satoshi
Shingo Suzuki
Nishizawa Kazumi