Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DOUBLE-ROW BALL BEARING
Document Type and Number:
WIPO Patent Application WO/2018/055991
Kind Code:
A1
Abstract:
[Problem] To provide a double-row ball bearing which can be installed requiring a reduced space and which has high resistance to a load. [Solution] An inner race 3 is split into two pieces consisting of a first inner race 31 and a second inner race 32. The first inner race 31 has formed thereon a first curved surface 34 constituting a first raceway space A1. The second inner race 32 has formed thereon a second curved surface 36 constituting a second raceway space A1. The small-diameter section 51 of a shaft 5 is passed through the first inner race 31 and the second inner race 32 with a gap maintained therebetween, a staking section 52 formed at the front end of the small-diameter section 51 is in pressure contact with the first inner race 31, and a side surface of a large-diameter section 53 is in contact with the second inner race 32.

Inventors:
KODATE Toshiharu (Inc. 21-4 Azusawa 2-Chome, Itabashi-k, Tokyo 01, 〒1748501, JP)
ORITA Nobutoshi (Inc. 21-4 Azusawa 2-Chome, Itabashi-k, Tokyo 01, 〒1748501, JP)
Application Number:
JP2017/030833
Publication Date:
March 29, 2018
Filing Date:
August 29, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOK, INC. (21-4, Azusawa 2-Chome Itabashi-k, Tokyo 01, 〒1748501, JP)
International Classes:
F16C33/60; F16C19/18; F16C25/08; F16C35/063
Domestic Patent References:
WO2016043111A12016-03-24
Foreign References:
JP2008196578A2008-08-28
JP2011202739A2011-10-13
JP2008138719A2008-06-19
DE10129700A12002-08-01
JP2009275792A2009-11-26
JP2006105384A2006-04-20
Attorney, Agent or Firm:
SHIMIZU Takamitsu (Neokamiya bldg. 6F, 4-10-11 Hatchobori, Chuo-k, Tokyo 32, 〒1040032, JP)
Download PDF: