Shiftable disk clutch or disk brake
Patent 5971821 Issued on October 26, 1999. Estimated Expiration Date: 
June 30, 2018. 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 30, 2018. 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 ReferencesRibbed bottom structure for plastic container Ship propulsion transmission having a torque converter for driving a fixed pitch propeller in reverse Ship S drive system Apparatus for and a method of controlling the speed of a ship Patent #: 5618211 InventorsApplicationNo. 109220 filed on 06/30/1998US Classes:440/74, Shaft braking or locking192/13R, Vehicle type440/75Having transmissionExaminersPrimary: Avila, StephenAttorney, Agent or FirmInternational ClassB63H 023/02Foreign Application Priority Data1997-06-30 DEAbstractA shiftable disk clutch or disk brake having two clutch parts which are rotatable relative to one another about a theoretical axis of rotation. Each of the two clutch parts has at least one clutch disk which is stiff against rotation and is rigidly connected with the clutch part so as to be fixed against movement in every direction. A remotely actuatable pressure supply is divided into at least two separate pressure systems, each of which is, by itself, capable of coupling or separating the clutch disks. | |
