Brake shaft bearing assemblies
Patent 5141339 Issued on August 25, 1992. Estimated Expiration Date: 
June 5, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 5, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2892662 2981573 3076683 3129985 Bearing with multiple lip seal Sealed wheel and axle assemblies Brake shaft bearings Bushing assembly Patent #: 4809960 InventorAssigneeApplicationNo. 533366 filed on 06/05/1990US Classes:384/130, With specified seal384/138, Unitary bearing and seal384/147Lip sealExaminersPrimary: Hannon, Thomas R.Attorney, Agent or FirmInternational ClassF16C 033/74Foreign Application Priority Data1989-06-12 GBAbstractA brake shaft of a vehicle is rotatably supported in a housing by a pair of bush assemblies acting as plain bearings. Each bush assembly is composed of a cylindrical body with grooves in its inner periphery which open to one end of the body. The housing has a bore for introducing lubricant into the grooves. A flange at the opposite end of each body has a recess in which a multi-lip seal is fitted. The housing has recesses which receive the flanges, of the bodies and deformable lips on the bodies locate in the recesses and assist the seals to prevent the ingress of contaminants. | |
