Compound epicyclic transmission systems
Patent 3941013 Issued on March 2, 1976. Estimated Expiration Date: 
March 2, 1993. 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 2, 1993. 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 3096666 3264902 3452621 3618424 3815445 InventorAssigneeApplicationNo. 497220 filed on 08/14/1974US Classes:475/276, With brake for sun, carrier and orbit475/277, With brake for plural sun gears475/281, Including one-way clutch or brake475/282, Brake for sun and orbit475/286Brake for orbit and carrierExaminersPrimary: Gerin, Leonard H.Attorney, Agent or FirmForeign Application Priority Data1973-08-17 UKAbstractA vehicle transmission comprises an epicyclic change-speed unit in series with a supplementary two-speed unit having a direct drive ratio and an indirect overdrive or reduction ratio, thereby doubling the number of ratios provided by the change-speed unit. A further ratio is provided by a compound connection between the change-speed and supplementary units. | |
