Title:
FRICTION ROLLER TYPE SPEED REDUCER AND SPEED REDUCER UNIT
Document Type and Number:
Japanese Patent JP2019190545
Kind Code:
A
Abstract:
To provide a friction roller-type speed reducer and a speed reducer unit using the same capable of achieving high transmission efficiency and reduced in size and weight.SOLUTION: A friction roller type speed reducer 100 includes a loading disc 51 disposed in opposition to outer end faces of a pair of sun roller elements 35, 37, and a loading cam mechanism 50 having cam grooves formed on each of the outer end face 42 and a one-side end face 52 of the loading disc 51, and rolling elements disposed between the opposed cam grooves. It further includes a pressure chamber 61 defined between the opposed side end faces 41, 43 of the pair of sun roller elements 35, 37, and generating axial force for making the sun roller elements 35, 37 axially separate from each other, by a pressure of traction oil charged therein.SELECTED DRAWING: Figure 2
Inventors:
HAMADA HIROKI
YOSHIOKA HIROYASU
MATSUDA YASUYUKI
YOSHIOKA HIROYASU
MATSUDA YASUYUKI
Application Number:
JP2018082901A
Publication Date:
October 31, 2019
Filing Date:
April 24, 2018
Export Citation:
Assignee:
NSK LTD
International Classes:
F16H13/04
Domestic Patent References:
| JP2002536610A | 2002-10-29 | |||
| JP2013104545A | 2013-05-30 | |||
| JP2017120121A | 2017-07-06 | |||
| JP2017003046A | 2017-01-05 | |||
| JP2016130524A | 2016-07-21 |
Attorney, Agent or Firm:
Patent business corporation glory patent office