Title:
摺動式等速自在継手
Document Type and Number:
Japanese Patent JP6808531
Kind Code:
B2
Abstract:
A double-offset plunging type constant velocity universal joint includes inner and outer joint members each having six linear track grooves extending along an axial direction. The inner joint member has a coupling hole at a center portion thereof for coupling a shaft. Six torque transmission balls retained by a cage are incorporated between the linear track grooves of the inner and outer joint members. A ratio TCAGE/DBALL of a minimum thickness (TCAGE) of the cage to a diameter of the torque transmission ball (DBALL) is from 0.225 to 0.245, wherein a ratio DBALL/DS of a diameter (DBALL) of the torque transmission ball to a spline large diameter (DS) of the coupling hole of the inner joint member is from 0.79 to 0.85, and wherein a ball contact ratio (ψ) of the torque transmission ball is from 1.08 to 1.12.
Inventors:
Tatsuro Sugiyama
Application Number:
JP2017026884A
Publication Date:
January 06, 2021
Filing Date:
February 16, 2017
Export Citation:
Assignee:
ntn corporation
International Classes:
F16D3/227
Domestic Patent References:
| JP2007085488A | ||||
| JP2008275131A | ||||
| JP10073129A |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Tsuyoshi Kumano