Trailer bearing plate for fifth wheel
Patent 5066035 Issued on November 19, 1991. Estimated Expiration Date: 
April 18, 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.
April 18, 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 2508610 3174812 3337277 3511523 3622173 3704924 3887251 3924909 Fifth wheel bearing attachment Trailer coupling InventorsApplicationNo. 511391 filed on 04/18/1990US Classes:280/441.1, Turntable-type fifth wheel coupling280/433, Fifth wheel only384/421For pivot of towed vehicleExaminersPrimary: Marmor, Charles A.Assistant: Kagen, Alan M. Attorney, Agent or FirmForeign Patent References
International ClassB62D 053/06AbstractAn assembly for coupling a tractor to a trailer comprising a fifth wheel bearing plate and a trailer bearing plate assembly. The trailer bearing plate assembly includes a ring having a collar and is adapted to securely attach to an underside of the trailer. The trailer bearing plate further includes a disk disposed between the collar and the trailer underside. | |
