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Title:
BOOT FOR CONSTANT VELOCITY UNIVERSAL JOINT
Document Type and Number:
Japanese Patent JP2020159459
Kind Code:
A
Abstract:
To provide a boot for a constant velocity universal joint capable of preventing a crack at a small diameter part at low cost.SOLUTION: A boot 40B for a constant velocity universal joint comprises a large diameter part arranged on the outer periphery of an outside joint member of a constant velocity universal joint, a small diameter part 40b arranged on the outer periphery of a power transmission shaft S connected to an inside joint member of the constant velocity universal joint, and a bellows part 40c provided between the large diameter part and the small diameter part 40b. On at least an outer peripheral surface of the small diameter part 40b on the bellows part 40c side, a circumferential groove 50 extending in a circumferential direction is provided.SELECTED DRAWING: Figure 4

Inventors:
NAKAJIMA YOSUKE
KOJIMA TAKUYA
Application Number:
JP2019059065A
Publication Date:
October 01, 2020
Filing Date:
March 26, 2019
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16J3/04; F16D3/84; F16J15/52
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Hideaki Nomura