Title:
PULLEY
Document Type and Number:
Japanese Patent JP2018054005
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce rotation torque of a rolling bearing of a pulley.SOLUTION: A pulley includes a pulley body 10, a rolling bearing 20 integrated inside a boss part 12, and an annular cover 30 arranged on one side in an axial direction of the rolling bearing 20, and having an inner peripheral part 31 coming into contact with one end surface in the axial direction of an inner ring 21. The rolling bearing 20 is in a state where a bearing space S formed between the inner ring 21 and an outer ring 22 is opened in both directions in the axial direction, and the inner peripheral part 31 of the cover 30 is covering one in the axial direction of the bearing space S. An oil inflow gap 33 is formed between the inner peripheral part 31 of the cover 30 and one end surface of the outer ring 22.SELECTED DRAWING: Figure 1
Inventors:
MOCHIZUKI YUTA
Application Number:
JP2016189934A
Publication Date:
April 05, 2018
Filing Date:
September 28, 2016
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16H55/36; F01M1/06; F16C19/06; F16C33/78
Domestic Patent References:
| JP2012172827A | 2012-09-10 | |||
| JPH02109047U | 1990-08-30 | |||
| JP2015117797A | 2015-06-25 | |||
| JPS553052U | 1980-01-10 | |||
| JP2003148161A | 2003-05-21 |
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Bunji Kamada
Yaichiro Nakatani