Ball joint

Details Ball joint Ball joint

2005-03-15

2005-03-15

Stodola, Daniel P. (Department: 3679)

Joints and connections

Flexible diaphragm or bellows

C403S051000, C403S122000, C403S132000, C403S133000, C403S135000, C403S140000

Reexamination Certificate

active

06866441

ABSTRACT:
In a ball joint including a retaining ring to which a boot is mounted and which is press-fitted to a ball stud, the ball stud is formed with a press-fit portion to which a cylindrical portion of the retaining ring is press-fitted, and an annular projection having a tapered forming face rising with an up-grade from a press-fit terminal end of the press-fit portion. When the cylindrical portion is press-fitted to the press-fit portion, a particular cylindrical portion set at a tip end of the cylindrical portion is expanded by pressing the particular cylindrical portion against the tapered forming face, thereby forming a small flange. Thus, the small flange of the retaining ring can be simultaneously formed utilizing a force of press-fitting of the cylindrical portion of the retaining ring to the ball stud. This can contribute to a reduction in the number of assembling steps.

REFERENCES:
patent: 3381987 (1968-05-01), Husen
patent: 11-63245 (1999-03-01), None

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