CAGE OF FIXED CONSTANT VELOCITY UNIVERSAL JOINT AND METHOD FOR MANUFACTURING THEREOF AND FIXED CONSTANT VELOCITY UNIVERSAL JOINT

Title:

CAGE OF FIXED CONSTANT VELOCITY UNIVERSAL JOINT AND METHOD FOR MANUFACTURING THEREOF AND FIXED CONSTANT VELOCITY UNIVERSAL JOINT

Document Type and Number:

Japanese Patent JP3909992

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To enhance strength of a cage of a constant velocity universal joint.
SOLUTION: A pair of end surfaces 38 opposed in the cage peripheral direction of a pocket 36 formed in a cage 31 are formed of a surface cut after quenching, the surface hardness is set lower than surface hardness of a pair of side surfaces 37 opposed in the cage axis direction, and tenacity is imparted to a column part 39 formed between pockets 36 to improve strength of the cage 31.

Inventors:

Masazumi Kobayashi
Masao Tanio
Takao Maeda
Takuya Kato

Application Number:

JP33962199A

Publication Date:

April 25, 2007

Filing Date:

November 30, 1999

Export Citation:

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Assignee:

ntn corporation

International Classes:

F16D3/20; B23P15/00; F16C33/38; F16D3/22; F16D3/2245; (IPC1-7): F16D3/20; F16C33/38; F16D3/224

Domestic Patent References:

JP62134932U
JP5331616A
JP11013780A
JP57067127A
JP6246546A
JP9291945A
JP11093964A
JP3041223U
JP61167720A

Foreign References:

WO1999030052A1

Attorney, Agent or Firm:

Bunji Kamada
Higashio Masahiro
Torii Kazuhisa

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