Bearings – Rotary bearing – Antifriction bearing
Patent
1994-08-02
1996-01-02
Hannon, Thomas R.
Bearings
Rotary bearing
Antifriction bearing
277188A, F16C 3376
Patent
active
054802350
ABSTRACT:
A bearing sealing device is used for sealing a bearing assembly by inserting the sealing device through an insertion hole in the bearing assembly and mounting it in a fitting groove formed therein. Individual bearing sealing devices may be obtained by punching operations, and may be produced in large quantities and continuously without requiring any subsequent treatment such as removal of burrs. The bearing sealing device thus formed provides improved firm fitting to the bearing assembly. The bearing sealing device includes an elastic sealing ring and a backing ring combined with each other. The elastic sealing ring has a sealing lip around the peripheral edge thereof extending beyond the corresponding peripheral edge of the backing ring. With the bearing sealing device mounted on the bearing assembly, part of the lip is formed to include a swelling that extends outwardly of the fitting groove so as to embrace the peripheral edge of the backing ring, thus holdiong the backing ring firmly.
REFERENCES:
patent: 3226168 (1965-12-01), Rechnagel
patent: 3806212 (1974-04-01), Piva
patent: 5133609 (1992-07-01), Ishiguro
Hannon Thomas R.
Uchiyama Manufacturing Corp.
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