Suspension for a bicycle having a Y shaped frame
Patent 5685553 Issued on November 11, 1997. Estimated Expiration Date: 
March 9, 2015. 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.
March 9, 2015. 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.InventorsAssigneeApplicationNo. 401186 filed on 03/09/1995US Classes:280/283, Yielding280/281.1, Frames and running gear280/288.3Hollow shell framesExaminersPrimary: Johnson, Vicky A.Attorney, Agent or FirmForeign Patent References
International ClassB26K 003/02AbstractA suspension for a bicycle having a unified rear triangle pivotably connected to a Y shaped frame. The unified rear triangle provides a fixed chain length, isolating rear wheel movement from pedaling motion. A shock absorbing means is connected to the Y shaped frame at the intersection of the arms of the frame and to the rear triangle. A pivot is preferably connected near the bottom bracket of the bicycle in order to reduce movement of the bottom bracket.Other References
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