Bush and integral seal

Details Bush and integral seal Bush and integral seal

1995-07-07

1997-07-08

Hannon, Thomas R.

Bearings

Rotary bearing

Plain bearing

384130, F16C 3374

Patent

active

056453566

ABSTRACT:
A rotary shaft is supported by a bearing surface of a bush body. The diameter of the rotary shaft is slightly smaller than that of the bearing surface of the bush body, thus defining a clearance therebetween. On both end sides of the bush body, seal portions elastically engage with the peripheral surface of the rotary shaft, and the outer surfaces of the seal portions extend within a range of thickness of the bush body so that end surfaces of the bush body and end surfaces of the seal portions are in contact with each other. Consequently, both sides of the clearance are sealed by inside surfaces of the seal portions.

REFERENCES:
patent: 2283424 (1942-05-01), Colwell et al.
patent: 2766084 (1956-07-01), Fisher
patent: 3330605 (1967-07-01), Jasmand
patent: 3527507 (1970-09-01), Clark et al.
patent: 4190299 (1980-02-01), Brown
patent: 4280741 (1981-07-01), Stoll
patent: 5217309 (1993-06-01), Csermak et al.
patent: 5352044 (1994-10-01), Jordans et al.

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