Friction clutches
Patent 4086995 Issued on May 2, 1978. Estimated Expiration Date: 
May 2, 1995. 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.
May 2, 1995. 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 482491 1665999 1983885 2129361 2192301 2229910 2758691 3176814 3241643 3754628 InventorApplicationNo. 722950 filed on 09/13/1976US Classes:192/111B, Manually, axially adjustable, threaded members rotatable around clutch axis192/70.25, With adjustable means to move clutch-element axially (e.g., to compensate for wear)192/70.28, To separate engaged clutch-elements192/89.24, Pull-type192/99ALevers mounted on axially engaging clutchExaminersPrimary: O'Dea, William F.Assistant: Jones, Larry Attorney, Agent or FirmInternational ClassesF16D 011/00F16D 013/00 F16D 019/00 AbstractAn improved arrangement of locking apparatus for securing the fulcrum ring of a clutch in adjusted position includes a rotatable cam operable from a readily accessible location for forcing a locking bar radially into engagement with a slotted fulcrum ring; a wedge shaped nose on the locking bar is preferred for taking up clearance between the bar and slot in order to eliminate hammering or chucking; the nose of the locking bar may have compound inclination for exerting wedging action both radially and parallel to the axis; the wedging and securing of the locking bar is facilitated by the provision of coaxial hexagonal drive lugs adapted for engagement by wrenches. In addition, an improved interlocking drive connection is provided between the finger of a belleville spring and a release sleeve assuring that the sleeve rotates with the spring. | |
