Title:
SLIDE-TYPE CONSTANT VELOCITY UNIVERSAL JOINT
Document Type and Number:
Japanese Patent JP2019015346
Kind Code:
A
Abstract:
To prevent external leakage of a lubricant, to suppress increase of joint internal pressure, and to prevent deformation and abrasion breakage of a boot.SOLUTION: In a slide-type constant velocity universal joint which includes an outer joint member 11, and an inner joint member 12 transmitting rotation torque while permitting axial displacement and angular displacement through a ball 13 between itself and the outer joint member 11, and in which a lubricant 27 is sealed in the outer joint member 11, and a small-diameter end portion 34 of a boot 28 closing an opening portion of the outer joint member 11 is mounted on a shaft 21 extended from the inner joint member 12, a lip portion 41 keeping a non-contact state to an outer peripheral face of the shaft 21 when the inner joint member 12 is positioned on a joint center, and kept into contact with the outer peripheral face of the shaft 21 when the inner joint member 12 is axially displaced to a joint depth side, is disposed on an inner peripheral face of an intermediate portion 35 of the boot 28.SELECTED DRAWING: Figure 1
Inventors:
ITO KENTA
NISHIO KEISUKE
NISHIO KEISUKE
Application Number:
JP2017133560A
Publication Date:
January 31, 2019
Filing Date:
July 07, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16D3/84; F16J3/04; F16J15/52
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Tsuyoshi Kumano